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

annotate src/org/tmatesoft/hg/repo/Revlog.java @ 198:33a7d76f067b

Performance optimization: reduce memory to keep revlog cached info

author	Artem Tikhomirov <tikhomirov.artem@gmail.com>
date	Wed, 20 Apr 2011 05:40:14 +0200
parents	3a7696fb457c
children	114c9fe7b643

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 /*
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	2 * Copyright (c) 2010-2011 TMate Software Ltd
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;
56 576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	24 import java.util.Arrays;
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	25 import java.util.Collection;
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	26 import java.util.Collections;
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	27 import java.util.HashMap;
171 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.HashSet;
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	29 import java.util.LinkedHashSet;
171 2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	30 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	31 import java.util.List;
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	32 import java.util.Map;
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	33 import java.util.Set;
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	34
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	35 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	36 import org.tmatesoft.hg.core.HgException;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	37 import org.tmatesoft.hg.core.Nodeid;
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	38 import org.tmatesoft.hg.internal.DataAccess;
77 c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	39 import org.tmatesoft.hg.internal.RevlogStream;
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	40 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	41 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	42 import org.tmatesoft.hg.util.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	43 import org.tmatesoft.hg.util.ProgressSupport;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	44
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	45
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	46 /**
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 * 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	48 *
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	49 * 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	50 * 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	51 * 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	52 *
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	53 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	54 * @author TMate Software Ltd.
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	55 */
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	56 abstract class Revlog {
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	57
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	58 private final HgRepository repo;
21 e929cecae4e1 Refactor to move revlog content to base class Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 3 diff changeset	59 protected final RevlogStream content;
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	60
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	61 protected Revlog(HgRepository hgRepo, RevlogStream contentStream) {
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	62 if (hgRepo == null) {
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	63 throw new IllegalArgumentException();
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 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 if (contentStream == null) {
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 56 diff changeset	66 throw new IllegalArgumentException();
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	67 }
115 c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	68 repo = hgRepo;
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	69 content = contentStream;
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	70 }
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	71
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	72 // invalid Revlog
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	73 protected Revlog(HgRepository hgRepo) {
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	74 repo = hgRepo;
c0cc2535462c Introduced channels to pipeline (and easily filter) data streams Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 102 diff changeset	75 content = null;
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	76 }
08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	77
08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	78 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	79 return repo;
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
135 3959bffb14e9 explicit op name instead math op to get last rev number Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 115 diff changeset	82 public final int getRevisionCount() {
21 e929cecae4e1 Refactor to move revlog content to base class Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 3 diff changeset	83 return content.revisionCount();
e929cecae4e1 Refactor to move revlog content to base class Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 3 diff changeset	84 }
80 4222b04f34ee Follow history of a file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 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 getLastRevision() {
3959bffb14e9 explicit op name instead math op to get last rev number Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 115 diff changeset	87 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	88 }
3959bffb14e9 explicit op name instead math op to get last rev number Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 115 diff changeset	89
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 Nodeid getRevision(int revision) {
80 4222b04f34ee Follow history of a file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	91 // XXX cache nodeids?
4222b04f34ee Follow history of a file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	92 return Nodeid.fromBinary(content.nodeid(revision), 0);
4222b04f34ee Follow history of a file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	93 }
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	94
135 3959bffb14e9 explicit op name instead math op to get last rev number Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 115 diff changeset	95 public final int getLocalRevision(Nodeid nid) {
49 26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	96 int revision = content.findLocalRevisionNumber(nid);
80 4222b04f34ee Follow history of a file Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 77 diff changeset	97 if (revision == BAD_REVISION) {
49 26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	98 throw new IllegalArgumentException(String.format("%s doesn't represent a revision of %s", nid.toString(), this /XXX HgDataFile.getPath might be more suitable here/));
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	99 }
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	100 return revision;
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	101 }
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	102
39 4e9b66b07a28 Check changelog group starts with proper (known) base Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 37 diff changeset	103 // Till now, i follow approach that NULL nodeid is never part of revlog
135 3959bffb14e9 explicit op name instead math op to get last rev number Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 115 diff changeset	104 public final boolean isKnown(Nodeid nodeid) {
49 26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	105 final int rn = content.findLocalRevisionNumber(nodeid);
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	106 if (Integer.MIN_VALUE == rn) {
39 4e9b66b07a28 Check changelog group starts with proper (known) base Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 37 diff changeset	107 return false;
4e9b66b07a28 Check changelog group starts with proper (known) base Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 37 diff changeset	108 }
49 26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	109 if (rn < 0 \|\| rn >= content.revisionCount()) {
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	110 // Sanity check
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	111 throw new IllegalStateException();
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	112 }
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	113 return true;
39 4e9b66b07a28 Check changelog group starts with proper (known) base Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 37 diff changeset	114 }
49 26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	115
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	116 /**
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	117 * 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	118 * @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	119 */
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	120 protected void rawContent(Nodeid nodeid, ByteChannel sink) 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	121 rawContent(getLocalRevision(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	122 }
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	123
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	124 /**
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	125 * @param revision - repo-local index of this file change (not a changelog revision number!)
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	126 */
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	127 protected void rawContent(int revision, ByteChannel sink) 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	128 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	129 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	130 }
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	131 ContentPipe insp = new ContentPipe(sink, 0);
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	132 insp.checkCancelled();
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	133 content.iterate(revision, revision, 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	134 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	135 }
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	136
56 576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	137 /**
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	138 * 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	139 *
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	140 * @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	141 * @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	142 * @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	143 * @param parent2 - byte[20] or null, if second parent's nodeid is not needed
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	144 * @return
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	145 */
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	146 public void parents(int revision, int[] parentRevisions, byte[] parent1, byte[] parent2) {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	147 if (revision != TIP && !(revision >= 0 && revision < content.revisionCount())) {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	148 throw new IllegalArgumentException(String.valueOf(revision));
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	149 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	150 if (parentRevisions == null \|\| parentRevisions.length < 2) {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	151 throw new IllegalArgumentException(String.valueOf(parentRevisions));
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	152 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	153 if (parent1 != null && parent1.length < 20) {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	154 throw new IllegalArgumentException(parent1.toString());
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	155 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	156 if (parent2 != null && parent2.length < 20) {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	157 throw new IllegalArgumentException(parent2.toString());
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	158 }
77 c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	159 class ParentCollector implements RevlogStream.Inspector {
56 576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	160 public int p1 = -1;
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	161 public int p2 = -1;
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	162 public byte[] nodeid;
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	163
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	164 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	165 p1 = parent1Revision;
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	166 p2 = parent2Revision;
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	167 this.nodeid = new byte[20];
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	168 // 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	169 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	170 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	171 };
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	172 ParentCollector pc = new ParentCollector();
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	173 content.iterate(revision, revision, false, pc);
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	174 parentRevisions[0] = pc.p1;
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	175 parentRevisions[1] = pc.p2;
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	176 if (parent1 != null) {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	177 if (parentRevisions[0] == -1) {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	178 Arrays.fill(parent1, 0, 20, (byte) 0);
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	179 } else {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	180 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	181 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	182 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	183 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	184 if (parent2 != null) {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	185 if (parentRevisions[1] == -1) {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	186 Arrays.fill(parent2, 0, 20, (byte) 0);
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	187 } else {
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	188 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	189 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	190 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	191 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	192 }
576d6e8a09f6 Analog of 'hg status --change' command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 49 diff changeset	193
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	194 /*
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	195 * 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	196 * 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	197 * or
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	198 * 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	199 *
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	200 * 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	201 */
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	202 public final class ParentWalker {
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	203 private Map<Nodeid, Nodeid> firstParent;
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	204 private Map<Nodeid, Nodeid> secondParent;
171 2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	205 private final LinkedHashSet<Nodeid> allNodes = new LinkedHashSet<Nodeid>(); // childrenOf rely on ordering
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	206
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	207 public ParentWalker() {
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	208 firstParent = secondParent = Collections.emptyMap();
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	209 }
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	210
192 e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	211 public HgRepository getRepo() {
e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	212 return Revlog.this.getRepo();
e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	213 }
e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	214
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	215 public void init() {
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	216 final RevlogStream stream = Revlog.this.content;
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	217 final int revisionCount = stream.revisionCount();
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	218 firstParent = new HashMap<Nodeid, Nodeid>(revisionCount);
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	219 secondParent = new HashMap<Nodeid, Nodeid>(firstParent.size() >> 1); // assume branches/merges are less frequent
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	220
77 c677e1593919 Moved RevlogStream implementation into .internal Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 74 diff changeset	221 RevlogStream.Inspector insp = new RevlogStream.Inspector() {
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	222 final Nodeid[] sequentialRevisionNodeids = new Nodeid[revisionCount];
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	223 int ix = 0;
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	224 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess da) {
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	225 if (ix != revisionNumber) {
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	226 // XXX temp code, just to make sure I understand what's going on here
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	227 throw new IllegalStateException();
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	228 }
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	229 if (parent1Revision >= revisionNumber \|\| parent2Revision >= revisionNumber) {
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	230 throw new IllegalStateException(); // sanity, revisions are sequential
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	231 }
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	232 final Nodeid nid = new Nodeid(nodeid, true);
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	233 sequentialRevisionNodeids[ix++] = nid;
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	234 allNodes.add(nid);
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	235 if (parent1Revision != -1) {
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	236 firstParent.put(nid, sequentialRevisionNodeids[parent1Revision]);
183 9807bf8f3a9c Do not assume second parent can be set only when first one is set Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 171 diff changeset	237 }
9807bf8f3a9c Do not assume second parent can be set only when first one is set Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 171 diff changeset	238 if (parent2Revision != -1) { // revlog of DataAccess.java has p2 set when p1 is -1
9807bf8f3a9c Do not assume second parent can be set only when first one is set Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 171 diff changeset	239 secondParent.put(nid, sequentialRevisionNodeids[parent2Revision]);
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	240 }
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	241 }
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	242 };
197 3a7696fb457c Investigate optimization options to allow fast processing of huge repositories. Fix defect in StatusCollector that lead to wrong result comparing first revision to empty repo (-1 to 0), due to same TIP constant value Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 192 diff changeset	243 stream.iterate(0, TIP, false, insp);
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	244 }
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	245
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	246 public Set<Nodeid> allNodes() {
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	247 return Collections.unmodifiableSet(allNodes);
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	248 }
31 346b66add79d Basic lookup for incoming changes Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 29 diff changeset	249
346b66add79d Basic lookup for incoming changes Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 29 diff changeset	250 // FIXME need to decide whether Nodeid(00 * 20) is always known or not
346b66add79d Basic lookup for incoming changes Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 29 diff changeset	251 public boolean knownNode(Nodeid nid) {
346b66add79d Basic lookup for incoming changes Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 29 diff changeset	252 return allNodes.contains(nid);
346b66add79d Basic lookup for incoming changes Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 29 diff changeset	253 }
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	254
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	255 // null if none
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	256 public Nodeid firstParent(Nodeid nid) {
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	257 return firstParent.get(nid);
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	258 }
49 26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	259
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	260 // 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	261 public Nodeid safeFirstParent(Nodeid nid) {
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	262 Nodeid rv = firstParent(nid);
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	263 return rv == null ? Nodeid.NULL : rv;
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	264 }
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	265
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	266 public Nodeid secondParent(Nodeid nid) {
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	267 return secondParent.get(nid);
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	268 }
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	269
49 26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	270 public Nodeid safeSecondParent(Nodeid nid) {
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	271 Nodeid rv = secondParent(nid);
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	272 return rv == null ? Nodeid.NULL : rv;
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	273 }
26e3eeaa3962 branch and user filtering for log operation Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 39 diff changeset	274
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	275 public boolean appendParentsOf(Nodeid nid, Collection<Nodeid> c) {
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	276 Nodeid p1 = firstParent(nid);
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	277 boolean modified = false;
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	278 if (p1 != null) {
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	279 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	280 }
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	281 Nodeid p2 = secondParent(nid);
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	282 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	283 modified = c.add(p2) \|\| modified;
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	284 }
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	285 return modified;
6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	286 }
171 2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	287
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	288 // 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	289 // 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	290
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	291 // @return ordered collection of all children rooted at supplied nodes. Nodes shall not be descendants of each other!
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	292 public List<Nodeid> childrenOf(List<Nodeid> nodes) {
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	293 HashSet<Nodeid> parents = new HashSet<Nodeid>();
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	294 LinkedHashSet<Nodeid> result = new LinkedHashSet<Nodeid>();
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	295 LinkedList<Nodeid> orderedResult = new LinkedList<Nodeid>();
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	296 for(Nodeid next : allNodes) {
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	297 // i assume allNodes is sorted, hence do not check any parents unless we hit any common known node first
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	298 if (nodes.contains(next)) {
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	299 parents.add(next);
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	300 } else {
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	301 if (parents.isEmpty()) {
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	302 // didn't scroll up to any known yet
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	303 continue;
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	304 }
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	305 // record each and every node reported after first common known node hit
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	306 orderedResult.addLast(next);
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	307 if (parents.contains(firstParent(next)) \|\| parents.contains(secondParent(next))) {
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	308 result.add(next);
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	309 parents.add(next); // to find next's children
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	310 }
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	311 }
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	312 }
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	313 // leave only those of interest in ordered sequence
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	314 orderedResult.retainAll(result);
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	315 return orderedResult;
2c3e96674e2a Towards outgoing changes - initial detection logic, get connected with remote repo stub Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	316 }
192 e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	317
e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	318 /**
e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	319 * @param node possibly parent node
e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	320 * @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	321 */
e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	322 public boolean hasChildren(Nodeid node) {
e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	323 // FIXME containsValue is linear, likely. May want to optimize it with another (Tree\|Hash)Set, created on demand
e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	324 // on first use
e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	325 return firstParent.containsValue(node) \|\| secondParent.containsValue(node);
e5407b5a586a Incoming and Outgoing commands are alive Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 191 diff changeset	326 }
29 6cce719bbb62 Collector for nodes and their parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 24 diff changeset	327 }
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	328
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	329 protected static class ContentPipe implements RevlogStream.Inspector, 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	330 private final ByteChannel sink;
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	331 private final CancelSupport 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	332 private Exception 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	333 private final int offset;
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	334
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	335 /**
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	336 * @param _sink - cannot be <code>null</code>
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	337 * @param seekOffset - when positive, orders to pipe bytes to the sink starting from specified offset, not from the first byte available in DataAccess
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	338 */
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	339 public ContentPipe(ByteChannel _sink, int seekOffset) {
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	340 assert _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	341 sink = _sink;
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	342 cancelSupport = CancelSupport.Factory.get(_sink);
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	343 offset = seekOffset;
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	344 }
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	345
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	346 protected void prepare(int revisionNumber, DataAccess da) throws HgException, 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	347 if (offset > 0) { // save few useless reset/rewind operations
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	348 da.seek(offset);
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	349 }
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	350 }
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	351
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	352 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, DataAccess da) {
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	353 try {
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	354 prepare(revisionNumber, da); // XXX perhaps, prepare shall return DA (sliced, if needed)
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	355 final ProgressSupport progressSupport = ProgressSupport.Factory.get(sink);
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	356 ByteBuffer buf = ByteBuffer.allocate(512);
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	357 progressSupport.start(da.length());
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	358 while (!da.isEmpty()) {
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	359 cancelSupport.checkCancelled();
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	360 da.readBytes(buf);
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	361 buf.flip();
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	362 // XXX I may not rely on returned number of bytes but track change in buf position instead.
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	363 int consumed = sink.write(buf);
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	364 // FIXME in fact, bad sink implementation (that consumes no bytes) would result in endless loop. Need to account for this
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	365 buf.compact();
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	366 progressSupport.worked(consumed);
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	367 }
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	368 progressSupport.done(); // XXX shall specify whether #done() is invoked always or only if completed successfully.
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	369 } catch (IOException 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	370 recordFailure(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	371 } catch (CancelledException 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	372 recordFailure(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	373 } catch (HgException 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	374 recordFailure(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	375 }
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	376 }
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	377
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	378 public void checkCancelled() throws 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	379 cancelSupport.checkCancelled();
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	380 }
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	381
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	382 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	383 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	384 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	385 }
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	386
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	387 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	388 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	389 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	390 }
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	391 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	392 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	393 }
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	394 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	395 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	396 }
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	397 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	398 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	399 }
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	400 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	401 }
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	402 }
2 08db726a0fb7 Shaping out low-level Hg structures Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	403 }

Mercurial > jhg

annotate src/org/tmatesoft/hg/repo/Revlog.java @ 198:33a7d76f067b