hg4j: src/org/tmatesoft/hg/repo/Revlog.java annotate

annotate src/org/tmatesoft/hg/repo/Revlog.java @ 448:2e402c12ebc6 smartgit3

Issue 31: Revlog#walk() fails with AIOOBE when start > 0

author	Artem Tikhomirov <tikhomirov.artem@gmail.com>
date	Wed, 06 Jun 2012 21:23:57 +0200
parents	d0e5dc3cae6e
children	7bcfbc255f48

rev	line source
22 603806cd2dc6 Status of local working dir against non-tip base revision Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 21 diff changeset	1 /*
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	2 * Copyright (c) 2010-2012 TMate Software Ltd
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	3 *
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	4 * This program is free software; you can redistribute it and/or modify
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	5 * it under the terms of the GNU General Public License as published by
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	6 * the Free Software Foundation; version 2 of the License.
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	7 *
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	8 * This program is distributed in the hope that it will be useful,
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	11 * GNU General Public License for more details.
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	12 *
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	13 * For information on how to redistribute this software under
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	14 * the terms of a license other than GNU General Public License
102 a3a2e5deb320 Updated contact address to support@hg4j.com Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 88 diff changeset	15 * contact TMate Software at support@hg4j.com
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	16 */
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	17 package org.tmatesoft.hg.repo;
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	18
80 4222b04f34ee Follow history of a file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	19 import static org.tmatesoft.hg.repo.HgRepository.BAD_REVISION;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	20 import static org.tmatesoft.hg.repo.HgRepository.TIP;
56 576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	21
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	22 import java.io.IOException;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	23 import java.nio.ByteBuffer;
317 09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	24 import java.util.ArrayList;
56 576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	25 import java.util.Arrays;
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	26 import java.util.Collection;
171 2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	27 import java.util.HashSet;
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	28 import java.util.LinkedList;
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	29 import java.util.List;
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	30
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	31 import org.tmatesoft.hg.core.HgBadStateException;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	32 import org.tmatesoft.hg.core.HgException;
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	33 import org.tmatesoft.hg.core.HgInvalidControlFileException;
347 8da7ade36c57 Add specific IAE subclass to handle wrong (e.g. outdated after rollback) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 328 diff changeset	34 import org.tmatesoft.hg.core.HgInvalidRevisionException;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	35 import org.tmatesoft.hg.core.Nodeid;
307 2f2ab5c27f41 Collect sort reverse indexes along with array sorting Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 277 diff changeset	36 import org.tmatesoft.hg.internal.ArrayHelper;
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	37 import org.tmatesoft.hg.internal.DataAccess;
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	38 import org.tmatesoft.hg.internal.Experimental;
448 2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	39 import org.tmatesoft.hg.internal.IntMap;
355 f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	40 import org.tmatesoft.hg.internal.Preview;
77 c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	41 import org.tmatesoft.hg.internal.RevlogStream;
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	42 import org.tmatesoft.hg.util.Adaptable;
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	43 import org.tmatesoft.hg.util.ByteChannel;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	44 import org.tmatesoft.hg.util.CancelSupport;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	45 import org.tmatesoft.hg.util.CancelledException;
355 f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	46 import org.tmatesoft.hg.util.LogFacility;
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	47 import org.tmatesoft.hg.util.ProgressSupport;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	48
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	49
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	50 /**
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	51 * Base class for all Mercurial entities that are serialized in a so called revlog format (changelog, manifest, data files).
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	52 *
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	53 * Implementation note:
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	54 * Hides actual actual revlog stream implementation and its access methods (i.e. RevlogStream.Inspector), iow shall not expose anything internal
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	55 * in public methods.
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	56 *
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	57 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	58 * @author TMate Software Ltd.
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	59 */
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	60 abstract class Revlog {
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	61
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	62 private final HgRepository repo;
21 e929cecae4e1 Refactor to move revlog content to base class Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 3 diff changeset	63 protected final RevlogStream content;
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	64
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	65 protected Revlog(HgRepository hgRepo, RevlogStream contentStream) {
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	66 if (hgRepo == null) {
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	67 throw new IllegalArgumentException();
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	68 }
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	69 if (contentStream == null) {
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	70 throw new IllegalArgumentException();
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	71 }
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	72 repo = hgRepo;
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	73 content = contentStream;
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	74 }
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	75
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	76 // invalid Revlog
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	77 protected Revlog(HgRepository hgRepo) {
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	78 repo = hgRepo;
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	79 content = null;
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	80 }
08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	81
08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	82 public final HgRepository getRepo() {
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	83 return repo;
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	84 }
08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	85
135 3959bffb14e9 explicit op name instead math op to get last rev number Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 115 diff changeset	86 public final int getRevisionCount() {
21 e929cecae4e1 Refactor to move revlog content to base class Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 3 diff changeset	87 return content.revisionCount();
e929cecae4e1 Refactor to move revlog content to base class Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 3 diff changeset	88 }
80 4222b04f34ee Follow history of a file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	89
135 3959bffb14e9 explicit op name instead math op to get last rev number Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 115 diff changeset	90 public final int getLastRevision() {
3959bffb14e9 explicit op name instead math op to get last rev number Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 115 diff changeset	91 return content.revisionCount() - 1;
3959bffb14e9 explicit op name instead math op to get last rev number Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 115 diff changeset	92 }
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	93
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	94 /**
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	95 * Map revision index to unique revision identifier (nodeid).
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	96 *
388 b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 385 diff changeset	97 * @param revision index of the entry in this revlog, may be {@link HgRepository#TIP}
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	98 * @return revision nodeid of the entry
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	99 *
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	100 * @throws HgInvalidRevisionException if supplied argument doesn't represent revision index in this revlog
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	101 * @throws HgInvalidControlFileException if access to revlog index/data entry failed
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	102 */
366 189dc6dc1c3e Use exceptions to expose errors reading mercurial data Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 356 diff changeset	103 public final Nodeid getRevision(int revision) throws HgInvalidRevisionException, HgInvalidControlFileException {
328 a674b8590362 Move file tree history to upper API level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 327 diff changeset	104 // XXX cache nodeids? Rather, if context.getCache(this).getRevisionMap(create == false) != null, use it
80 4222b04f34ee Follow history of a file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	105 return Nodeid.fromBinary(content.nodeid(revision), 0);
4222b04f34ee Follow history of a file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	106 }
317 09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	107
328 a674b8590362 Move file tree history to upper API level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 327 diff changeset	108 /**
a674b8590362 Move file tree history to upper API level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 327 diff changeset	109 * FIXME need to be careful about (1) ordering of the revisions in the return list; (2) modifications (sorting) of the argument array
a674b8590362 Move file tree history to upper API level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 327 diff changeset	110 */
366 189dc6dc1c3e Use exceptions to expose errors reading mercurial data Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 356 diff changeset	111 public final List<Nodeid> getRevisions(int... revisions) throws HgInvalidRevisionException, HgInvalidControlFileException {
317 09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	112 ArrayList<Nodeid> rv = new ArrayList<Nodeid>(revisions.length);
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	113 Arrays.sort(revisions);
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	114 getRevisionsInternal(rv, revisions);
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	115 return rv;
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	116 }
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	117
366 189dc6dc1c3e Use exceptions to expose errors reading mercurial data Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 356 diff changeset	118 /package-local/ void getRevisionsInternal(final List<Nodeid> retVal, int[] sortedRevs) throws HgInvalidRevisionException, HgInvalidControlFileException {
317 09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	119 // once I have getRevisionMap and may find out whether it is avalable from cache,
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	120 // may use it, perhaps only for small number of revisions
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	121 content.iterate(sortedRevs, false, new RevlogStream.Inspector() {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	122
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	123 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess data) {
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	124 retVal.add(Nodeid.fromBinary(nodeid, 0));
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	125 }
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	126 });
09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	127 }
37 e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 31 diff changeset	128
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	129 /**
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	130 * Get local index of the specified revision.
347 8da7ade36c57 Add specific IAE subclass to handle wrong (e.g. outdated after rollback) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 328 diff changeset	131 * If unsure, use {@link #isKnown(Nodeid)} to find out whether nodeid belongs to this revlog.
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	132 *
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	133 * For occasional queries, this method works with decent performance, despite its O(n/2) approach.
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	134 * Alternatively, if you need to perform multiple queries (e.g. at least 15-20), {@link RevisionMap} may come handy.
347 8da7ade36c57 Add specific IAE subclass to handle wrong (e.g. outdated after rollback) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 328 diff changeset	135 *
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	136 * @param nid revision to look up
347 8da7ade36c57 Add specific IAE subclass to handle wrong (e.g. outdated after rollback) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 328 diff changeset	137 * @return revision local index in this revlog
8da7ade36c57 Add specific IAE subclass to handle wrong (e.g. outdated after rollback) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 328 diff changeset	138 * @throws HgInvalidRevisionException if supplied nodeid doesn't identify any revision from this revlog
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	139 * @throws HgInvalidControlFileException if access to revlog index/data entry failed
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	140 */
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	141 public final int getRevisionIndex(Nodeid nid) throws HgInvalidControlFileException, HgInvalidRevisionException {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	142 int revision = content.findRevisionIndex(nid);
80 4222b04f34ee Follow history of a file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	143 if (revision == BAD_REVISION) {
393 728708de3597 Resolve FIXMEs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	144 // using toString() to identify revlog. HgDataFile.toString includes path, HgManifest and HgChangelog instances
728708de3597 Resolve FIXMEs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	145 // are fine with default (class name)
728708de3597 Resolve FIXMEs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	146 // Perhaps, more tailored description method would be suitable here
728708de3597 Resolve FIXMEs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	147 throw new HgInvalidRevisionException(String.format("Can't find revision %s in %s", nid.shortNotation(), this), nid, null);
49 26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	148 }
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	149 return revision;
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	150 }
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	151
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	152 /**
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	153 * @deprecated use {@link #getRevisionIndex(Nodeid)} instead
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	154 */
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	155 @Deprecated
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	156 public final int getLocalRevision(Nodeid nid) throws HgInvalidControlFileException, HgInvalidRevisionException {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	157 return getRevisionIndex(nid);
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	158 }
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	159
49 26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	160
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	161 /**
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	162 * Note, {@link Nodeid#NULL} nodeid is not reported as known in any revlog.
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	163 *
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	164 * @param nodeid
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	165 * @return
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	166 * @throws HgInvalidControlFileException if access to revlog index/data entry failed
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	167 */
5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	168 public final boolean isKnown(Nodeid nodeid) throws HgInvalidControlFileException {
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	169 final int rn = content.findRevisionIndex(nodeid);
218 047b1dec7a04 Issue 7: Correctly handle manifest and changelog with different number of (or non-matching) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 200 diff changeset	170 if (BAD_REVISION == rn) {
39 4e9b66b07a28 Check changelog group starts with proper (known) base Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 37 diff changeset	171 return false;
4e9b66b07a28 Check changelog group starts with proper (known) base Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 37 diff changeset	172 }
49 26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	173 if (rn < 0 \|\| rn >= content.revisionCount()) {
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	174 // Sanity check
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	175 throw new HgBadStateException(String.format("Revision index %d found for nodeid %s is not from the range [0..%d]", rn, nodeid.shortNotation(), content.revisionCount()-1));
49 26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	176 }
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	177 return true;
39 4e9b66b07a28 Check changelog group starts with proper (known) base Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 37 diff changeset	178 }
49 26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	179
37 e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 31 diff changeset	180 /**
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 31 diff changeset	181 * Access to revision data as is (decompressed, but otherwise unprocessed, i.e. not parsed for e.g. changeset or manifest entries)
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 31 diff changeset	182 * @param nodeid
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 31 diff changeset	183 */
347 8da7ade36c57 Add specific IAE subclass to handle wrong (e.g. outdated after rollback) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 328 diff changeset	184 protected void rawContent(Nodeid nodeid, ByteChannel sink) throws HgException, IOException, CancelledException, HgInvalidRevisionException {
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	185 rawContent(getRevisionIndex(nodeid), sink);
37 e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 31 diff changeset	186 }
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	187
37 e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 31 diff changeset	188 /**
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	189 * @param fileRevisionIndex - index of this file change (not a changelog revision index), non-negative. From predefined constants, only {@link HgRepository#TIP} makes sense.
354 5f9073eabf06 Propagate errors with exceptions up to a end client Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 347 diff changeset	190 * FIXME is it necessary to have IOException along with HgException here?
37 e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 31 diff changeset	191 */
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	192 protected void rawContent(int fileRevisionIndex, ByteChannel sink) throws HgException, IOException, CancelledException, HgInvalidRevisionException {
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	193 if (sink == null) {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	194 throw new IllegalArgumentException();
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	195 }
355 f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	196 ContentPipe insp = new ContentPipe(sink, 0, repo.getContext().getLog());
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	197 insp.checkCancelled();
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	198 content.iterate(fileRevisionIndex, fileRevisionIndex, true, insp);
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	199 insp.checkFailed();
37 e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 31 diff changeset	200 }
e45e75e22523 Parse changesets from bundle's changelog group. Refactor Revlog to provide access to revision's raw content Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 31 diff changeset	201
56 576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	202 /**
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	203 * XXX perhaps, return value Nodeid[2] and boolean needNodeids is better (and higher level) API for this query?
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	204 *
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	205 * @param revision - revision to query parents, or {@link HgRepository#TIP}
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	206 * @param parentRevisions - int[2] to get local revision numbers of parents (e.g. {6, -1})
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	207 * @param parent1 - byte[20] or null, if parent's nodeid is not needed
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	208 * @param parent2 - byte[20] or null, if second parent's nodeid is not needed
347 8da7ade36c57 Add specific IAE subclass to handle wrong (e.g. outdated after rollback) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 328 diff changeset	209 * @throws HgInvalidRevisionException
8da7ade36c57 Add specific IAE subclass to handle wrong (e.g. outdated after rollback) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 328 diff changeset	210 * @throws IllegalArgumentException
56 576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	211 */
366 189dc6dc1c3e Use exceptions to expose errors reading mercurial data Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 356 diff changeset	212 public void parents(int revision, int[] parentRevisions, byte[] parent1, byte[] parent2) throws HgInvalidRevisionException, HgInvalidControlFileException {
56 576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	213 if (revision != TIP && !(revision >= 0 && revision < content.revisionCount())) {
347 8da7ade36c57 Add specific IAE subclass to handle wrong (e.g. outdated after rollback) revisions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 328 diff changeset	214 throw new HgInvalidRevisionException(revision);
56 576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	215 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	216 if (parentRevisions == null \|\| parentRevisions.length < 2) {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	217 throw new IllegalArgumentException(String.valueOf(parentRevisions));
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	218 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	219 if (parent1 != null && parent1.length < 20) {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	220 throw new IllegalArgumentException(parent1.toString());
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	221 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	222 if (parent2 != null && parent2.length < 20) {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	223 throw new IllegalArgumentException(parent2.toString());
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	224 }
77 c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	225 class ParentCollector implements RevlogStream.Inspector {
56 576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	226 public int p1 = -1;
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	227 public int p2 = -1;
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	228 public byte[] nodeid;
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	229
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	230 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess da) {
56 576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	231 p1 = parent1Revision;
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	232 p2 = parent2Revision;
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	233 this.nodeid = new byte[20];
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	234 // nodeid arg now comes in 32 byte from (as in file format description), however upper 12 bytes are zeros.
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	235 System.arraycopy(nodeid, nodeid.length > 20 ? nodeid.length - 20 : 0, this.nodeid, 0, 20);
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	236 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	237 };
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	238 ParentCollector pc = new ParentCollector();
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	239 content.iterate(revision, revision, false, pc);
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	240 parentRevisions[0] = pc.p1;
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	241 parentRevisions[1] = pc.p2;
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	242 if (parent1 != null) {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	243 if (parentRevisions[0] == -1) {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	244 Arrays.fill(parent1, 0, 20, (byte) 0);
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	245 } else {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	246 content.iterate(parentRevisions[0], parentRevisions[0], false, pc);
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	247 System.arraycopy(pc.nodeid, 0, parent1, 0, 20);
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	248 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	249 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	250 if (parent2 != null) {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	251 if (parentRevisions[1] == -1) {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	252 Arrays.fill(parent2, 0, 20, (byte) 0);
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	253 } else {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	254 content.iterate(parentRevisions[1], parentRevisions[1], false, pc);
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	255 System.arraycopy(pc.nodeid, 0, parent2, 0, 20);
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	256 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	257 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	258 }
317 09628675bcee Rework file history build approach to match rest of the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 308 diff changeset	259
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	260 @Experimental
445 d0e5dc3cae6e Support for phases functionality from Mercurial 2.1 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 393 diff changeset	261 public final void walk(int start, int end, final Revlog.Inspector inspector) throws HgInvalidRevisionException, HgInvalidControlFileException {
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	262 int lastRev = getLastRevision();
448 2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	263 final int _start = start == TIP ? lastRev : start;
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	264 if (end == TIP) {
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	265 end = lastRev;
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	266 }
356 91d75e1bac9f Consistent approach to deal with adaptable objects. Give adaptable precedence over instanceof to allow conditional response when classes do implement desired interface Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 355 diff changeset	267 final RevisionInspector revisionInsp = Adaptable.Factory.getAdapter(inspector, RevisionInspector.class, null);
91d75e1bac9f Consistent approach to deal with adaptable objects. Give adaptable precedence over instanceof to allow conditional response when classes do implement desired interface Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 355 diff changeset	268 final ParentInspector parentInsp = Adaptable.Factory.getAdapter(inspector, ParentInspector.class, null);
448 2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	269 final Nodeid[] allRevisions = parentInsp == null ? null : new Nodeid[end - _start + 1];
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	270 // next are to build set of parent indexes that are not part of the range iteration
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	271 // i.e. those parents we need to read separately. See Issue 31 for details.
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	272 final int[] firstParentIndexes = parentInsp == null \|\| _start == 0 ? null : new int[allRevisions.length];
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	273 final int[] secondParentIndexes = parentInsp == null \|\| _start == 0 ? null : new int[allRevisions.length];
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	274 final IntMap<Nodeid> missingParents = parentInsp == null \|\| _start == 0 ? null : new IntMap<Nodeid>(16);
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	275
448 2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	276 content.iterate(_start, end, false, new RevlogStream.Inspector() {
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	277 private int i = 0;
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	278
448 2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	279 public void next(int revisionIndex, int actualLen, int baseRevIndex, int linkRevIndex, int parent1RevIndex, int parent2RevIndex, byte[] nodeid, DataAccess data) {
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	280 Nodeid nid = Nodeid.fromBinary(nodeid, 0);
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	281 if (revisionInsp != null) {
448 2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	282 revisionInsp.next(revisionIndex, nid, linkRevIndex);
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	283 }
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	284 if (parentInsp != null) {
448 2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	285 allRevisions[i] = nid;
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	286 if (_start > 0) {
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	287 firstParentIndexes[i] = parent1RevIndex;
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	288 secondParentIndexes[i] = parent2RevIndex;
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	289 if (parent1RevIndex < _start && parent1RevIndex >= 0) {
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	290 missingParents.put(parent1RevIndex, null);
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	291 }
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	292 if (parent2RevIndex < _start && parent2RevIndex >= 0) {
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	293 missingParents.put(parent2RevIndex, null);
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	294 }
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	295 } else {
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	296 Nodeid p1 = parent1RevIndex == -1 ? Nodeid.NULL : allRevisions[parent1RevIndex];
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	297 Nodeid p2 = parent2RevIndex == -1 ? Nodeid.NULL : allRevisions[parent2RevIndex];
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	298 parentInsp.next(revisionIndex, allRevisions[i], parent1RevIndex, parent2RevIndex, p1, p2);
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	299 }
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	300 i++;
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	301 }
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	302 }
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	303 });
448 2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	304 if (parentInsp != null && _start > 0) {
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	305 assert missingParents.size() > 0; // in fact, more relaxed than assert. rather 'assume'
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	306 // TODO int[] IntMap#keys() or even sort of iterator that can modify values
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	307 for (int k = missingParents.firstKey(), l = missingParents.lastKey(); k <= l; k++) {
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	308 if (missingParents.containsKey(k)) {
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	309 Nodeid nid = getRepo().getChangelog().getRevision(k);
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	310 missingParents.put(k, nid);
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	311 }
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	312 }
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	313
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	314 for (int i = 0, revNum = _start; i < allRevisions.length; i++, revNum++) {
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	315 int riP1 = firstParentIndexes[i];
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	316 int riP2 = secondParentIndexes[i];
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	317 Nodeid p1, p2;
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	318 p1 = p2 = Nodeid.NULL;
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	319 if (riP1 >= _start) {
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	320 // p1 of revNum's revision is out of iterated range
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	321 // (don't check for riP1<end as I assume parents come prior to children in the changelog)
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	322 p1 = allRevisions[riP1 - start];
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	323 } else if (riP1 != -1) {
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	324 assert riP1 >=0 && riP1 < _start;
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	325 p1 = missingParents.get(riP1);
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	326 }
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	327 // same for Pp2
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	328 if (riP2 >= _start) {
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	329 p2 = allRevisions[riP2 - start];
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	330 } else if (riP2 != -1) {
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	331 assert riP2 >= 0 && riP2 < _start;
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	332 p2 = missingParents.get(riP2);
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	333 }
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	334 parentInsp.next(revNum, allRevisions[i], riP1, riP2, p1, p2);
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	335 }
2e402c12ebc6 Issue 31: Revlog#walk() fails with AIOOBE when start > 0 Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 445 diff changeset	336 }
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	337 }
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	338
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	339 /**
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	340 * MARKER
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	341 */
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	342 @Experimental
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	343 public interface Inspector {
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	344 }
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	345
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	346 @Experimental
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	347 public interface RevisionInspector extends Inspector {
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	348 void next(int revisionIndex, Nodeid revision, int linkedRevisionIndex);
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	349 }
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	350
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	351 @Experimental
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	352 public interface ParentInspector extends Inspector {
327 3f09b8c19142 Tests for Revlog.Inspectors Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 324 diff changeset	353 // XXX document whether parentX is -1 or a constant (BAD_REVISION? or dedicated?)
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	354 void next(int revisionIndex, Nodeid revision, int parent1, int parent2, Nodeid nidParent1, Nodeid nidParent2);
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	355 }
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	356
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	357 /*
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	358 * XXX think over if it's better to do either:
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	359 * pw = getChangelog().new ParentWalker(); pw.init() and pass pw instance around as needed
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	360 * or
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	361 * add Revlog#getParentWalker(), static class, make cons() and #init package-local, and keep SoftReference to allow walker reuse.
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	362 *
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	363 * and yes, walker is not a proper name
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	364 */
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	365 public final class ParentWalker implements ParentInspector {
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	366
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	367
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	368 private Nodeid[] sequential; // natural repository order, childrenOf rely on ordering
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	369 private Nodeid[] sorted; // for binary search
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	370 private int[] sorted2natural;
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	371 private Nodeid[] firstParent;
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	372 private Nodeid[] secondParent;
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	373
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	374 // Nodeid instances shall be shared between all arrays
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	375
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	376 public ParentWalker() {
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	377 }
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	378
192 e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	379 public HgRepository getRepo() {
e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	380 return Revlog.this.getRepo();
e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	381 }
e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	382
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	383 public void next(int revisionNumber, Nodeid revision, int parent1Revision, int parent2Revision, Nodeid nidParent1, Nodeid nidParent2) {
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	384 if (parent1Revision >= revisionNumber \|\| parent2Revision >= revisionNumber) {
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	385 throw new IllegalStateException(); // sanity, revisions are sequential
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	386 }
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	387 int ix = revisionNumber;
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	388 sequential[ix] = sorted[ix] = revision;
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	389 if (parent1Revision != -1) {
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	390 firstParent[ix] = sequential[parent1Revision];
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	391 }
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	392 if (parent2Revision != -1) { // revlog of DataAccess.java has p2 set when p1 is -1
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	393 secondParent[ix] = sequential[parent2Revision];
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	394 }
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	395 }
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	396
366 189dc6dc1c3e Use exceptions to expose errors reading mercurial data Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 356 diff changeset	397 public void init() throws HgInvalidControlFileException {
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	398 final int revisionCount = Revlog.this.getRevisionCount();
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	399 firstParent = new Nodeid[revisionCount];
393 728708de3597 Resolve FIXMEs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	400 // TODO [post 1.0] Branches/merges are less frequent, and most of secondParent would be -1/null, hence
728708de3597 Resolve FIXMEs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	401 // IntMap might be better alternative here, but need to carefully analyze (test) whether this brings
728708de3597 Resolve FIXMEs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	402 // real improvement (IntMap has 2n capacity, and element lookup is log(n) instead of array's constant)
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	403 secondParent = new Nodeid[revisionCount];
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	404 //
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	405 sequential = new Nodeid[revisionCount];
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	406 sorted = new Nodeid[revisionCount];
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	407 Revlog.this.walk(0, TIP, this);
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	408 Arrays.sort(sorted);
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	409 sorted2natural = new int[revisionCount];
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	410 for (int i = 0; i < revisionCount; i++) {
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	411 Nodeid n = sequential[i];
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	412 int x = Arrays.binarySearch(sorted, n);
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	413 assertSortedIndex(x);
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	414 sorted2natural[x] = i;
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	415 }
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	416 }
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	417
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	418 private void assertSortedIndex(int x) {
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	419 if (x < 0) {
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	420 throw new HgBadStateException();
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	421 }
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	422 }
31 346b66add79d Basic lookup for incoming changes Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 29 diff changeset	423
393 728708de3597 Resolve FIXMEs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	424 /**
728708de3597 Resolve FIXMEs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	425 * Tells whether supplied revision is from the walker's associated revlog.
728708de3597 Resolve FIXMEs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	426 * Note, {@link Nodeid#NULL}, although implicitly present as parent of a first revision, is not recognized as known.
728708de3597 Resolve FIXMEs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	427 * @param nid revision to check, not <code>null</code>
728708de3597 Resolve FIXMEs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	428 * @return <code>true</code> if revision matches any revision in this revlog
728708de3597 Resolve FIXMEs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	429 */
31 346b66add79d Basic lookup for incoming changes Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 29 diff changeset	430 public boolean knownNode(Nodeid nid) {
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	431 return Arrays.binarySearch(sorted, nid) >= 0;
31 346b66add79d Basic lookup for incoming changes Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 29 diff changeset	432 }
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	433
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	434 /**
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	435 * null if none. only known nodes (as per #knownNode) are accepted as arguments
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	436 */
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	437 public Nodeid firstParent(Nodeid nid) {
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	438 int x = Arrays.binarySearch(sorted, nid);
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	439 assertSortedIndex(x);
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	440 int i = sorted2natural[x];
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	441 return firstParent[i];
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	442 }
49 26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	443
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	444 // never null, Nodeid.NULL if none known
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	445 public Nodeid safeFirstParent(Nodeid nid) {
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	446 Nodeid rv = firstParent(nid);
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	447 return rv == null ? Nodeid.NULL : rv;
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	448 }
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	449
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	450 public Nodeid secondParent(Nodeid nid) {
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	451 int x = Arrays.binarySearch(sorted, nid);
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	452 assertSortedIndex(x);
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	453 int i = sorted2natural[x];
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	454 return secondParent[i];
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	455 }
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	456
49 26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	457 public Nodeid safeSecondParent(Nodeid nid) {
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	458 Nodeid rv = secondParent(nid);
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	459 return rv == null ? Nodeid.NULL : rv;
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	460 }
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	461
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	462 public boolean appendParentsOf(Nodeid nid, Collection<Nodeid> c) {
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	463 int x = Arrays.binarySearch(sorted, nid);
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	464 assertSortedIndex(x);
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	465 int i = sorted2natural[x];
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	466 Nodeid p1 = firstParent[i];
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	467 boolean modified = false;
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	468 if (p1 != null) {
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	469 modified = c.add(p1);
191 b777502a06f5 Do not assume second parent can be set only when first one is set, again Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 183 diff changeset	470 }
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	471 Nodeid p2 = secondParent[i];
191 b777502a06f5 Do not assume second parent can be set only when first one is set, again Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 183 diff changeset	472 if (p2 != null) {
b777502a06f5 Do not assume second parent can be set only when first one is set, again Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 183 diff changeset	473 modified = c.add(p2) \|\| modified;
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	474 }
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	475 return modified;
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	476 }
171 2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	477
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	478 // XXX alternative (and perhaps more reliable) approach would be to make a copy of allNodes and remove
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	479 // nodes, their parents and so on.
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	480
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	481 // @return ordered collection of all children rooted at supplied nodes. Nodes shall not be descendants of each other!
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	482 // Nodeids shall belong to this revlog
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	483 public List<Nodeid> childrenOf(List<Nodeid> roots) {
171 2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	484 HashSet<Nodeid> parents = new HashSet<Nodeid>();
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	485 LinkedList<Nodeid> result = new LinkedList<Nodeid>();
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	486 int earliestRevision = Integer.MAX_VALUE;
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	487 assert sequential.length == firstParent.length && firstParent.length == secondParent.length;
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	488 // first, find earliest index of roots in question, as there's no sense
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	489 // to check children among nodes prior to branch's root node
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	490 for (Nodeid r : roots) {
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	491 int x = Arrays.binarySearch(sorted, r);
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	492 assertSortedIndex(x);
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	493 int i = sorted2natural[x];
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	494 if (i < earliestRevision) {
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	495 earliestRevision = i;
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	496 }
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	497 parents.add(sequential[i]); // add canonical instance in hope equals() is bit faster when can do a ==
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	498 }
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	499 for (int i = earliestRevision + 1; i < sequential.length; i++) {
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	500 if (parents.contains(firstParent[i]) \|\| parents.contains(secondParent[i])) {
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	501 parents.add(sequential[i]); // to find next child
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	502 result.add(sequential[i]);
171 2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	503 }
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	504 }
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	505 return result;
171 2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	506 }
192 e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	507
e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	508 /**
308 3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	509 * @return revisions that have supplied revision as their immediate parent
3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	510 */
3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	511 public List<Nodeid> directChildren(Nodeid nid) {
3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	512 LinkedList<Nodeid> result = new LinkedList<Nodeid>();
3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	513 int x = Arrays.binarySearch(sorted, nid);
3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	514 assertSortedIndex(x);
3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	515 nid = sorted[x]; // canonical instance
3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	516 int start = sorted2natural[x];
3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	517 for (int i = start + 1; i < sequential.length; i++) {
3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	518 if (nid == firstParent[i] \|\| nid == secondParent[i]) {
3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	519 result.add(sequential[i]);
3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	520 }
3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	521 }
3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	522 return result;
3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	523 }
3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	524
3f40262153a4 Recognize closed branches Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 307 diff changeset	525 /**
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	526 * @param nid possibly parent node, shall be {@link #knownNode(Nodeid) known} in this revlog.
192 e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	527 * @return <code>true</code> if there's any node in this revlog that has specified node as one of its parents.
e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	528 */
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	529 public boolean hasChildren(Nodeid nid) {
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	530 int x = Arrays.binarySearch(sorted, nid);
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	531 assertSortedIndex(x);
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	532 int i = sorted2natural[x];
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	533 assert firstParent.length == secondParent.length; // just in case later I implement sparse array for secondParent
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	534 assert firstParent.length == sequential.length;
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	535 // to use == instead of equals, take the same Nodeid instance we used to fill all the arrays.
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	536 final Nodeid canonicalNode = sequential[i];
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	537 i++; // no need to check node itself. child nodes may appear in sequential only after revision in question
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	538 for (; i < sequential.length; i++) {
393 728708de3597 Resolve FIXMEs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 388 diff changeset	539 // TODO [post 1.0] likely, not very effective.
200 114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	540 // May want to optimize it with another (Tree\|Hash)Set, created on demand on first use,
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	541 // however, need to be careful with memory usage
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	542 if (firstParent[i] == canonicalNode \|\| secondParent[i] == canonicalNode) {
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	543 return true;
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	544 }
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	545 }
114c9fe7b643 Performance optimization: reduce memory ParentWalker hogs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 197 diff changeset	546 return false;
192 e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	547 }
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	548 }
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	549
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	550 /**
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	551 * Effective int to Nodeid and vice versa translation. It's advised to use this class instead of
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	552 * multiple {@link Revlog#getRevisionIndex(Nodeid)} calls.
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	553 *
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	554 * {@link Revlog#getRevisionIndex(Nodeid)} with straightforward lookup approach performs O(n/2)
8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	555 * {@link RevisionMap#revisionIndex(Nodeid)} is log(n), plus initialization is O(n) (just once).
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	556 */
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	557 public final class RevisionMap implements RevisionInspector {
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	558 /*
368 8107b95f4280 Update Javadoc with 'revision index' Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 367 diff changeset	559 * in fact, initialization is much slower as it instantiates Nodeids, while #getRevisionIndex
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	560 * compares directly against byte buffer. Measuring cpython with 70k+ gives 3 times difference (47 vs 171)
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	561 * for complete changelog iteration.
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	562 */
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	563
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	564 /*
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	565 * XXX 3 * (x * 4) bytes. Can I do better?
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	566 * It seems, yes. Don't need to keep sorted, always can emulate it with indirect access to sequential through sorted2natural.
283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	567 * i.e. instead sorted[mid].compareTo(toFind), do sequential[sorted2natural[mid]].compareTo(toFind)
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	568 */
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	569 private Nodeid[] sequential; // natural repository order, childrenOf rely on ordering
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	570 private Nodeid[] sorted; // for binary search
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	571 private int[] sorted2natural;
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	572
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	573 public RevisionMap() {
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	574 }
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	575
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	576 public HgRepository getRepo() {
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	577 return Revlog.this.getRepo();
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	578 }
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	579
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	580 public void next(int revisionIndex, Nodeid revision, int linkedRevision) {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	581 sequential[revisionIndex] = sorted[revisionIndex] = revision;
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	582 }
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	583
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	584 /**
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	585 * @return <code>this</code> for convenience.
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	586 */
366 189dc6dc1c3e Use exceptions to expose errors reading mercurial data Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 356 diff changeset	587 public RevisionMap init(/XXX Pool<Nodeid> to reuse nodeids, if possible. /) throws HgInvalidControlFileException{
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	588 // XXX HgRepository.register((RepoChangeListener) this); // listen to changes in repo, re-init if needed?
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	589 final int revisionCount = Revlog.this.getRevisionCount();
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	590 sequential = new Nodeid[revisionCount];
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	591 sorted = new Nodeid[revisionCount];
324 283b294d1079 Explore alternatives to access file-changelog combined history Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 317 diff changeset	592 Revlog.this.walk(0, TIP, this);
307 2f2ab5c27f41 Collect sort reverse indexes along with array sorting Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 277 diff changeset	593 // next is alternative to Arrays.sort(sorted), and build sorted2natural looking up each element of sequential in sorted.
2f2ab5c27f41 Collect sort reverse indexes along with array sorting Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 277 diff changeset	594 // the way sorted2natural was build is O(n*log n).
2f2ab5c27f41 Collect sort reverse indexes along with array sorting Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 277 diff changeset	595 final ArrayHelper ah = new ArrayHelper();
2f2ab5c27f41 Collect sort reverse indexes along with array sorting Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 277 diff changeset	596 ah.sort(sorted);
2f2ab5c27f41 Collect sort reverse indexes along with array sorting Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 277 diff changeset	597 // note, values in ArrayHelper#getReversed are 1-based indexes, not 0-based
2f2ab5c27f41 Collect sort reverse indexes along with array sorting Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 277 diff changeset	598 sorted2natural = ah.getReverse();
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	599 return this;
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	600 }
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	601
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	602 public Nodeid revision(int revisionIndex) {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	603 return sequential[revisionIndex];
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	604 }
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	605 public int revisionIndex(Nodeid revision) {
274 9fb50c04f03c Use Nodeid.isNull check instead of NULL.equals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 243 diff changeset	606 if (revision == null \|\| revision.isNull()) {
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	607 return BAD_REVISION;
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	608 }
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	609 int x = Arrays.binarySearch(sorted, revision);
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	610 if (x < 0) {
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	611 return BAD_REVISION;
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	612 }
307 2f2ab5c27f41 Collect sort reverse indexes along with array sorting Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 277 diff changeset	613 return sorted2natural[x]-1;
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	614 }
367 2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	615 /**
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	616 * @deprecated use {@link #revisionIndex(Nodeid)} instead
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	617 */
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	618 @Deprecated
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	619 public int localRevision(Nodeid revision) {
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	620 return revisionIndex(revision);
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 366 diff changeset	621 }
243 0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	622 }
0e01f9182e16 External cache Nodeid<->int added, Revlog.RevisionMap Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 218 diff changeset	623
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	624 protected abstract static class ErrorHandlingInspector implements RevlogStream.Inspector, CancelSupport {
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	625 private Exception failure;
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	626 private CancelSupport cancelSupport;
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	627
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	628 protected void setCancelSupport(CancelSupport cs) {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	629 assert cancelSupport == null; // no reason to set it twice
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	630 cancelSupport = cs;
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	631 }
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	632
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	633 protected void recordFailure(Exception ex) {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	634 assert failure == null;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	635 failure = ex;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	636 }
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	637
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	638 public void checkFailed() throws HgException, IOException, CancelledException {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	639 if (failure == null) {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	640 return;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	641 }
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	642 if (failure instanceof IOException) {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	643 throw (IOException) failure;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	644 }
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	645 if (failure instanceof CancelledException) {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	646 throw (CancelledException) failure;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	647 }
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	648 if (failure instanceof HgException) {
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	649 throw (HgException) failure;
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	650 }
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	651 throw new HgBadStateException(failure);
d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	652 }
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	653
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	654 public void checkCancelled() throws CancelledException {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	655 if (cancelSupport != null) {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	656 cancelSupport.checkCancelled();
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	657 }
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	658 }
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	659 }
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	660
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	661 protected static class ContentPipe extends ErrorHandlingInspector implements RevlogStream.Inspector, CancelSupport {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	662 private final ByteChannel sink;
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	663 private final int offset;
355 f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	664 private final LogFacility logFacility;
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	665
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	666 /**
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	667 * @param _sink - cannot be <code>null</code>
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	668 * @param seekOffset - when positive, orders to pipe bytes to the sink starting from specified offset, not from the first byte available in DataAccess
355 f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	669 * @param log optional facility to put warnings/debug messages into, may be null.
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	670 */
355 f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	671 public ContentPipe(ByteChannel _sink, int seekOffset, LogFacility log) {
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	672 assert _sink != null;
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	673 sink = _sink;
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	674 setCancelSupport(CancelSupport.Factory.get(_sink));
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	675 offset = seekOffset;
355 f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	676 logFacility = log;
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	677 }
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	678
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	679 protected void prepare(int revisionNumber, DataAccess da) throws HgException, IOException {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	680 if (offset > 0) { // save few useless reset/rewind operations
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	681 da.seek(offset);
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	682 }
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	683 }
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	684
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	685 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess da) {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	686 try {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	687 prepare(revisionNumber, da); // XXX perhaps, prepare shall return DA (sliced, if needed)
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	688 final ProgressSupport progressSupport = ProgressSupport.Factory.get(sink);
355 f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	689 ByteBuffer buf = ByteBuffer.allocate(actualLen > 8192 ? 8192 : actualLen);
356 91d75e1bac9f Consistent approach to deal with adaptable objects. Give adaptable precedence over instanceof to allow conditional response when classes do implement desired interface Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 355 diff changeset	690 Preview p = Adaptable.Factory.getAdapter(sink, Preview.class, null);
355 f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	691 if (p != null) {
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	692 progressSupport.start(2 * da.length());
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	693 while (!da.isEmpty()) {
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	694 checkCancelled();
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	695 da.readBytes(buf);
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	696 p.preview(buf);
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	697 buf.clear();
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	698 }
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	699 da.reset();
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	700 prepare(revisionNumber, da);
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	701 progressSupport.worked(da.length());
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	702 buf.clear();
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	703 } else {
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	704 progressSupport.start(da.length());
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	705 }
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	706 while (!da.isEmpty()) {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	707 checkCancelled();
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	708 da.readBytes(buf);
355 f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	709 buf.flip(); // post: position == 0
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	710 // XXX I may not rely on returned number of bytes but track change in buf position instead.
355 f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	711
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	712 int consumed = sink.write(buf);
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	713 if ((consumed == 0 \|\| consumed != buf.position()) && logFacility != null) {
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	714 logFacility.warn(getClass(), "Bad data sink when reading revision %d. Reported %d bytes consumed, byt actually read %d", revisionNumber, consumed, buf.position());
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	715 }
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	716 if (buf.position() == 0) {
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	717 throw new HgBadStateException("Bad sink implementation (consumes no bytes) results in endless loop");
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	718 }
f2c11fe7f3e9 Newline filter shall respect whole stream when deciding whether to process line terminators, hence added stream preview functionality Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	719 buf.compact(); // ensure (a) there's space for new (b) data starts at 0
277 74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	720 progressSupport.worked(consumed);
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	721 }
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	722 progressSupport.done(); // XXX shall specify whether #done() is invoked always or only if completed successfully.
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	723 } catch (IOException ex) {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	724 recordFailure(ex);
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	725 } catch (CancelledException ex) {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	726 recordFailure(ex);
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	727 } catch (HgException ex) {
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	728 recordFailure(ex);
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	729 }
74e7493a042a Favor delegation over generalization Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	730 }
157 d5268ca7715b Merged branch wrap-data-access into default for resource-friendly data access. Updated API to promote that friendliness to clients (channels, not byte[]). More exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 51 135 diff changeset	731 }
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	732 }

Mercurial > hg4j

annotate src/org/tmatesoft/hg/repo/Revlog.java @ 448:2e402c12ebc6 smartgit3