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

annotate src/org/tmatesoft/hg/repo/HgBundle.java @ 631:8a5cdcb27b8f

AIOOBE in HgManifest.RevisionMapper. Provide more details about exception context. Create lock file atomically. Test concurrent pull-rebase and read

author	Artem Tikhomirov <tikhomirov.artem@gmail.com>
date	Thu, 30 May 2013 15:24:17 +0200
parents	6526d8adbc0f
children	14dac192aa26

rev	line source
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	1 /*
532 688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 526 diff changeset	2 * Copyright (c) 2011-2013 TMate Software Ltd
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 47 diff changeset	3 *
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 47 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: 47 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: 47 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: 47 diff changeset	7 *
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 47 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: 47 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: 47 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: 47 diff changeset	11 * GNU General Public License for more details.
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 47 diff changeset	12 *
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 47 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: 47 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: 77 diff changeset	15 * contact TMate Software at support@hg4j.com
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	16 */
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 47 diff changeset	17 package org.tmatesoft.hg.repo;
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	18
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	19 import java.io.File;
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	20 import java.io.IOException;
512 10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	21 import java.util.ConcurrentModificationException;
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	22
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 47 diff changeset	23 import org.tmatesoft.hg.core.Nodeid;
357 dfb8405d996f Clean debug stacktraces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	24 import org.tmatesoft.hg.core.SessionContext;
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: 51 154 diff changeset	25 import org.tmatesoft.hg.internal.ByteArrayChannel;
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: 51 154 diff changeset	26 import org.tmatesoft.hg.internal.ByteArrayDataAccess;
512 10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	27 import org.tmatesoft.hg.internal.Callback;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 47 diff changeset	28 import org.tmatesoft.hg.internal.DataAccess;
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 47 diff changeset	29 import org.tmatesoft.hg.internal.DataAccessProvider;
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 47 diff changeset	30 import org.tmatesoft.hg.internal.DigestHelper;
358 fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	31 import org.tmatesoft.hg.internal.Experimental;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	32 import org.tmatesoft.hg.internal.InflaterDataAccess;
526 2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 513 diff changeset	33 import org.tmatesoft.hg.internal.Internals;
512 10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	34 import org.tmatesoft.hg.internal.Lifecycle;
329 694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 295 diff changeset	35 import org.tmatesoft.hg.internal.Patch;
154 ba2bf656f00f Changeset => RawChangeset Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 129 diff changeset	36 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
512 10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	37 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: 51 154 diff changeset	38 import org.tmatesoft.hg.util.CancelledException;
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 47 diff changeset	39
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	40 /**
423 9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	41 * WORK IN PROGRESS
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	42 *
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	43 * @see http://mercurial.selenic.com/wiki/BundleFormat
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	44 *
74 6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 47 diff changeset	45 * @author Artem Tikhomirov
6f1b88693d48 Complete refactoring to org.tmatesoft Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 47 diff changeset	46 * @author TMate Software Ltd.
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	47 */
467 51d682cf9cdc Cleaned experimental tag and updated comments/javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 427 diff changeset	48 @Experimental(reason="API is not stable")
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	49 public class HgBundle {
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	50
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	51 private final File bundleFile;
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	52 private final DataAccessProvider accessProvider;
357 dfb8405d996f Clean debug stacktraces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	53 // private final SessionContext sessionContext;
512 10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	54 private Lifecycle.BasicCallback flowControl;
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	55
357 dfb8405d996f Clean debug stacktraces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	56 HgBundle(SessionContext ctx, DataAccessProvider dap, File bundle) {
dfb8405d996f Clean debug stacktraces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	57 // sessionContext = ctx;
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	58 accessProvider = dap;
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	59 bundleFile = bundle;
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	60 }
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	61
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	62 private DataAccess getDataStream() throws IOException {
606 5daa42067e7c Avoid mmap files when only few bytes are to be read Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 534 diff changeset	63 DataAccess da = accessProvider.createReader(bundleFile, false);
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	64 byte[] signature = new byte[6];
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	65 if (da.length() > 6) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	66 da.readBytes(signature, 0, 6);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	67 if (signature[0] == 'H' && signature[1] == 'G' && signature[2] == '1' && signature[3] == '0') {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	68 if (signature[4] == 'G' && signature[5] == 'Z') {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	69 return new InflaterDataAccess(da, 6, da.length() - 6);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	70 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	71 if (signature[4] == 'B' && signature[5] == 'Z') {
526 2f9ed6bcefa2 Initial support for Revert command with accompanying minor refactoring Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 513 diff changeset	72 throw Internals.notImplemented();
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	73 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	74 if (signature[4] != 'U' \|\| signature[5] != 'N') {
423 9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	75 throw new HgInvalidStateException(String.format("Bad bundle signature: %s", String.valueOf(signature)));
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	76 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	77 // "...UN", fall-through
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	78 } else {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	79 da.reset();
39 4e9b66b07a28 Check changelog group starts with proper (known) base Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 37 diff changeset	80 }
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	81 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	82 return da;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	83 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	84
186 44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 182 diff changeset	85 private int uses = 0;
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 182 diff changeset	86 public HgBundle link() {
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 182 diff changeset	87 uses++;
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 182 diff changeset	88 return this;
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 182 diff changeset	89 }
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 182 diff changeset	90 public void unlink() {
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 182 diff changeset	91 uses--;
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 182 diff changeset	92 if (uses == 0 && bundleFile != null) {
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 182 diff changeset	93 bundleFile.deleteOnExit();
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 182 diff changeset	94 }
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 182 diff changeset	95 }
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 182 diff changeset	96 public boolean inUse() {
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 182 diff changeset	97 return uses > 0;
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 182 diff changeset	98 }
44a34baabea0 Clone refactored into a command. HgBundle needs means to control its lifecycle, to be deleted when no longer needed Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 182 diff changeset	99
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	100 /**
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	101 * Get changes recorded in the bundle that are missing from the supplied repository.
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	102 * @param hgRepo repository that shall possess base revision for this bundle
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	103 * @param inspector callback to get each changeset found
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	104 */
423 9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	105 public void changes(final HgRepository hgRepo, final HgChangelog.Inspector inspector) throws HgRuntimeException {
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	106 Inspector bundleInsp = new Inspector() {
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	107 DigestHelper dh = new DigestHelper();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	108 boolean emptyChangelog = true;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	109 private DataAccess prevRevContent;
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	110 private int revisionIndex;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	111
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	112 public void changelogStart() {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	113 emptyChangelog = true;
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	114 revisionIndex = 0;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	115 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	116
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	117 public void changelogEnd() {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	118 if (emptyChangelog) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	119 throw new IllegalStateException("No changelog group in the bundle"); // XXX perhaps, just be silent and/or log?
42 92c3d0920d58 Real integrity check, with exception. DigestHelper refactored to accomodate new needs Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 41 diff changeset	120 }
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: 36 diff changeset	121 }
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	122
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	123 /*
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	124 * Despite that BundleFormat wiki says: "Each Changelog entry patches the result of all previous patches
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	125 * (the previous, or parent patch of a given patch p is the patch that has a node equal to p's p1 field)",
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	126 * it seems not to hold true. Instead, each entry patches previous one, regardless of whether the one
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	127 * before is its parent (i.e. ge.firstParent()) or not.
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	128 *
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	129 Actual state in the changelog.i
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	130 Index Offset Flags Packed Actual Base Rev Link Rev Parent1 Parent2 nodeid
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	131 50: 9212 0 209 329 48 50 49 -1 f1db8610da62a3e0beb8d360556ee1fd6eb9885e
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	132 51: 9421 0 278 688 48 51 50 -1 9429c7bd1920fab164a9d2b621d38d57bcb49ae0
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	133 52: 9699 0 154 179 52 52 50 -1 30bd389788464287cee22ccff54c330a4b715de5
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	134 53: 9853 0 133 204 52 53 51 52 a6f39e595b2b54f56304470269a936ead77f5725
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	135 54: 9986 0 156 182 54 54 52 -1 fd4f2c98995beb051070630c272a9be87bef617d
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	136
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	137 Excerpt from bundle (nodeid, p1, p2, cs):
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	138 f1db8610da62a3e0beb8d360556ee1fd6eb9885e 26e3eeaa39623de552b45ee1f55c14f36460f220 0000000000000000000000000000000000000000 f1db8610da62a3e0beb8d360556ee1fd6eb9885e; patches:4
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	139 9429c7bd1920fab164a9d2b621d38d57bcb49ae0 f1db8610da62a3e0beb8d360556ee1fd6eb9885e 0000000000000000000000000000000000000000 9429c7bd1920fab164a9d2b621d38d57bcb49ae0; patches:3
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	140 > 30bd389788464287cee22ccff54c330a4b715de5 f1db8610da62a3e0beb8d360556ee1fd6eb9885e 0000000000000000000000000000000000000000 30bd389788464287cee22ccff54c330a4b715de5; patches:3
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	141 a6f39e595b2b54f56304470269a936ead77f5725 9429c7bd1920fab164a9d2b621d38d57bcb49ae0 30bd389788464287cee22ccff54c330a4b715de5 a6f39e595b2b54f56304470269a936ead77f5725; patches:3
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	142 fd4f2c98995beb051070630c272a9be87bef617d 30bd389788464287cee22ccff54c330a4b715de5 0000000000000000000000000000000000000000 fd4f2c98995beb051070630c272a9be87bef617d; patches:3
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	143
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	144 To recreate 30bd..e5, one have to take content of 9429..e0, not its p1 f1db..5e
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	145 */
628 6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 606 diff changeset	146 public boolean element(GroupElement ge) throws HgRuntimeException {
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	147 emptyChangelog = false;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	148 HgChangelog changelog = hgRepo.getChangelog();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	149 try {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	150 if (prevRevContent == null) {
274 9fb50c04f03c Use Nodeid.isNull check instead of NULL.equals Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 186 diff changeset	151 if (ge.firstParent().isNull() && ge.secondParent().isNull()) {
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	152 prevRevContent = new ByteArrayDataAccess(new byte[0]);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	153 } else {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	154 final Nodeid base = ge.firstParent();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	155 if (!changelog.isKnown(base) /only first parent, that's Bundle contract/) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	156 throw new IllegalStateException(String.format("Revision %s needs a parent %s, which is missing in the supplied repo %s", ge.node().shortNotation(), base.shortNotation(), hgRepo.toString()));
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	157 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	158 ByteArrayChannel bac = new ByteArrayChannel();
418 528b6780a8bd A bit of FIXME cleanup (mostly degraded to TODO post 1.0), comments and javadoc Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 383 diff changeset	159 changelog.rawContent(base, bac); // TODO post-1.0 get DataAccess directly, to avoid
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	160 // extra byte[] (inside ByteArrayChannel) duplication just for the sake of subsequent ByteArrayDataChannel wrap.
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	161 prevRevContent = new ByteArrayDataAccess(bac.toArray());
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	162 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	163 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	164 //
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	165 byte[] csetContent = ge.apply(prevRevContent);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	166 dh = dh.sha1(ge.firstParent(), ge.secondParent(), csetContent); // XXX ge may give me access to byte[] content of nodeid directly, perhaps, I don't need DH to be friend of Nodeid?
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	167 if (!ge.node().equalsTo(dh.asBinary())) {
423 9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	168 throw new HgInvalidStateException(String.format("Integrity check failed on %s, node: %s", bundleFile, ge.node().shortNotation()));
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	169 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	170 ByteArrayDataAccess csetDataAccess = new ByteArrayDataAccess(csetContent);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	171 RawChangeset cs = RawChangeset.parse(csetDataAccess);
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	172 inspector.next(revisionIndex++, ge.node(), cs);
170 71ddbf8603e8 Initial clone: populate given directory from a bundle. Everything but remote server access is there, albeit prototype code style Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 169 diff changeset	173 prevRevContent.done();
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	174 prevRevContent = csetDataAccess.reset();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	175 } catch (CancelledException ex) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	176 return false;
423 9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	177 } catch (IOException ex) {
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	178 throw new HgInvalidFileException("Invalid bundle file", ex, bundleFile); // TODO post-1.0 revisit exception handling
427 31a89587eb04 FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 423 diff changeset	179 } catch (HgInvalidDataFormatException ex) {
423 9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	180 throw new HgInvalidControlFileException("Invalid bundle file", ex, bundleFile);
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	181 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	182 return true;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	183 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	184
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	185 public void manifestStart() {}
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	186 public void manifestEnd() {}
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	187 public void fileStart(String name) {}
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	188 public void fileEnd(String name) {}
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	189
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	190 };
423 9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	191 inspectChangelog(bundleInsp);
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	192 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	193
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	194 // callback to minimize amount of Strings and Nodeids instantiated
512 10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	195 @Callback
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	196 public interface Inspector {
628 6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 606 diff changeset	197 void changelogStart() throws HgRuntimeException;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	198
628 6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 606 diff changeset	199 void changelogEnd() throws HgRuntimeException;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	200
628 6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 606 diff changeset	201 void manifestStart() throws HgRuntimeException;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	202
628 6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 606 diff changeset	203 void manifestEnd() throws HgRuntimeException;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	204
628 6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 606 diff changeset	205 void fileStart(String name) throws HgRuntimeException;
6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 606 diff changeset	206
6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 606 diff changeset	207 void fileEnd(String name) throws HgRuntimeException;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	208
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	209 /**
170 71ddbf8603e8 Initial clone: populate given directory from a bundle. Everything but remote server access is there, albeit prototype code style Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 169 diff changeset	210 * XXX desperately need exceptions here
71ddbf8603e8 Initial clone: populate given directory from a bundle. Everything but remote server access is there, albeit prototype code style Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 169 diff changeset	211 * @param element data element, instance might be reused, don't keep a reference to it or its raw data
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	212 * @return <code>true</code> to continue
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	213 */
628 6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 606 diff changeset	214 boolean element(GroupElement element) throws HgRuntimeException;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	215 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	216
423 9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	217 /**
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	218 * @param inspector callback to visit changelog entries
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	219 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	220 * @throws IllegalArgumentException if inspector argument is null
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	221 */
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	222 public void inspectChangelog(Inspector inspector) throws HgRuntimeException {
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	223 if (inspector == null) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	224 throw new IllegalArgumentException();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	225 }
512 10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	226 final Lifecycle lifecycle = lifecycleSetUp(inspector);
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	227 DataAccess da = null;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	228 try {
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	229 da = getDataStream();
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	230 internalInspectChangelog(da, inspector);
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	231 } catch (IOException ex) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	232 throw new HgInvalidFileException("Bundle.inspectChangelog failed", ex, bundleFile);
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: 36 diff changeset	233 } finally {
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	234 if (da != null) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	235 da.done();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	236 }
512 10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	237 lifecycleTearDown(lifecycle);
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: 36 diff changeset	238 }
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: 36 diff changeset	239 }
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: 36 diff changeset	240
423 9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	241 /**
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	242 * @param inspector callback to visit manifest entries
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	243 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	244 * @throws IllegalArgumentException if inspector argument is null
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	245 */
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	246 public void inspectManifest(Inspector inspector) throws HgRuntimeException {
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	247 if (inspector == null) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	248 throw new IllegalArgumentException();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	249 }
512 10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	250 final Lifecycle lifecycle = lifecycleSetUp(inspector);
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	251 DataAccess da = null;
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	252 try {
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	253 da = getDataStream();
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	254 if (da.isEmpty()) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	255 return;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	256 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	257 skipGroup(da); // changelog
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	258 internalInspectManifest(da, inspector);
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	259 } catch (IOException ex) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	260 throw new HgInvalidFileException("Bundle.inspectManifest failed", ex, bundleFile);
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	261 } finally {
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	262 if (da != null) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	263 da.done();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	264 }
512 10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	265 lifecycleTearDown(lifecycle);
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	266 }
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	267 }
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	268
423 9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	269 /**
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	270 * @param inspector callback to visit file entries
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	271 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	272 * @throws IllegalArgumentException if inspector argument is null
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	273 */
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	274 public void inspectFiles(Inspector inspector) throws HgRuntimeException {
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	275 if (inspector == null) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	276 throw new IllegalArgumentException();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	277 }
512 10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	278 final Lifecycle lifecycle = lifecycleSetUp(inspector);
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	279 DataAccess da = null;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	280 try {
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	281 da = getDataStream();
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	282 if (da.isEmpty()) {
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	283 return;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	284 }
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	285 skipGroup(da); // changelog
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	286 if (da.isEmpty()) {
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	287 return;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	288 }
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	289 skipGroup(da); // manifest
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	290 internalInspectFiles(da, inspector);
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	291 } catch (IOException ex) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	292 throw new HgInvalidFileException("Bundle.inspectFiles failed", ex, bundleFile);
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	293 } finally {
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	294 if (da != null) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	295 da.done();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	296 }
512 10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	297 lifecycleTearDown(lifecycle);
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	298 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	299 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	300
423 9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	301 /**
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	302 * @param inspector visit complete bundle (changelog, manifest and file entries)
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	303 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	304 * @throws IllegalArgumentException if inspector argument is null
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	305 */
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 418 diff changeset	306 public void inspectAll(Inspector inspector) throws HgRuntimeException {
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	307 if (inspector == null) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	308 throw new IllegalArgumentException();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	309 }
512 10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	310 final Lifecycle lifecycle = lifecycleSetUp(inspector);
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	311 DataAccess da = null;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	312 try {
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	313 da = getDataStream();
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	314 internalInspectChangelog(da, inspector);
513 a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	315 if (flowControl.isStopped()) {
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	316 return;
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	317 }
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	318 internalInspectManifest(da, inspector);
513 a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	319 if (flowControl.isStopped()) {
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	320 return;
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	321 }
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	322 internalInspectFiles(da, inspector);
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	323 } catch (IOException ex) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	324 throw new HgInvalidFileException("Bundle.inspectAll failed", ex, bundleFile);
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	325 } finally {
295 981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	326 if (da != null) {
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	327 da.done();
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 274 diff changeset	328 }
512 10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	329 lifecycleTearDown(lifecycle);
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	330 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	331 }
512 10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	332
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	333 // initialize flowControl, check for concurrent usage, starts lifecyle, if any
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	334 // return non-null only if inspector is interested in lifecycle events
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	335 private Lifecycle lifecycleSetUp(Inspector inspector) throws ConcurrentModificationException {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	336 // Don't need flowControl in case Inspector doesn't implement Lifecycle,
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	337 // however is handy not to expect it == null inside internalInspect*
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	338 // XXX Once there's need to make this class thread-safe,
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	339 // shall move flowControl to thread-local state.
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	340 if (flowControl != null) {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	341 throw new ConcurrentModificationException("HgBundle is in use and not thread-safe yet");
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	342 }
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	343 flowControl = new Lifecycle.BasicCallback();
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	344 final Lifecycle lifecycle = Adaptable.Factory.getAdapter(inspector, Lifecycle.class, null);
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	345 if (lifecycle != null) {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	346 lifecycle.start(-1, flowControl, flowControl);
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	347 }
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	348 return lifecycle;
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	349 }
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	350
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	351 private void lifecycleTearDown(Lifecycle lifecycle) {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	352 if (lifecycle != null) {
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	353 lifecycle.finish(flowControl);
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	354 }
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	355 flowControl = null;
10ca3ede8367 Issue 39: Progress and Cancel support for Clone command Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 467 diff changeset	356 }
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	357
628 6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 606 diff changeset	358 private void internalInspectChangelog(DataAccess da, Inspector inspector) throws IOException, HgRuntimeException {
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	359 if (da.isEmpty()) {
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	360 return;
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	361 }
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	362 inspector.changelogStart();
513 a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	363 if (flowControl.isStopped()) {
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	364 return;
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	365 }
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	366 readGroup(da, inspector);
513 a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	367 if (flowControl.isStopped()) {
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	368 return;
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	369 }
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	370 inspector.changelogEnd();
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	371 }
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	372
628 6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 606 diff changeset	373 private void internalInspectManifest(DataAccess da, Inspector inspector) throws IOException, HgRuntimeException {
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	374 if (da.isEmpty()) {
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	375 return;
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	376 }
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	377 inspector.manifestStart();
513 a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	378 if (flowControl.isStopped()) {
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	379 return;
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	380 }
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	381 readGroup(da, inspector);
513 a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	382 if (flowControl.isStopped()) {
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	383 return;
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	384 }
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	385 inspector.manifestEnd();
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	386 }
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	387
628 6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 606 diff changeset	388 private void internalInspectFiles(DataAccess da, Inspector inspector) throws IOException, HgRuntimeException {
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	389 while (!da.isEmpty()) {
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	390 int fnameLen = da.readInt();
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	391 if (fnameLen <= 4) {
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	392 break; // null chunk, the last one.
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	393 }
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	394 byte[] fnameBuf = new byte[fnameLen - 4];
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	395 da.readBytes(fnameBuf, 0, fnameBuf.length);
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	396 String name = new String(fnameBuf);
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	397 inspector.fileStart(name);
513 a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	398 if (flowControl.isStopped()) {
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	399 return;
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	400 }
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	401 readGroup(da, inspector);
513 a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	402 if (flowControl.isStopped()) {
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	403 return;
a41d955dc360 Issue 39: HgCloneCommand doesn't use CancelSupport/ProgressSupport handlers Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 512 diff changeset	404 }
182 f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	405 inspector.fileEnd(name);
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	406 }
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	407 }
f26ffe04ced0 Refactor HgBundle to dispatch changes found through callback Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 170 diff changeset	408
628 6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 606 diff changeset	409 private static void readGroup(DataAccess da, Inspector inspector) throws IOException, HgRuntimeException {
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	410 int len = da.readInt();
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	411 boolean good2go = true;
532 688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 526 diff changeset	412 Nodeid prevNodeid = Nodeid.NULL;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	413 while (len > 4 && !da.isEmpty() && good2go) {
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	414 byte[] nb = new byte[80];
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	415 da.readBytes(nb, 0, 80);
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	416 int dataLength = len - 84 /* length field + 4 nodeids */;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	417 byte[] data = new byte[dataLength];
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	418 da.readBytes(data, 0, dataLength);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	419 DataAccess slice = new ByteArrayDataAccess(data); // XXX in fact, may pass a slicing DataAccess.
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	420 // Just need to make sure that we seek to proper location afterwards (where next GroupElement starts),
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	421 // regardless whether that slice has read it or not.
532 688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 526 diff changeset	422 GroupElement ge = new GroupElement(nb, prevNodeid, slice);
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	423 good2go = inspector.element(ge);
170 71ddbf8603e8 Initial clone: populate given directory from a bundle. Everything but remote server access is there, albeit prototype code style Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 169 diff changeset	424 slice.done(); // BADA doesn't implement done(), but it could (e.g. free array)
71ddbf8603e8 Initial clone: populate given directory from a bundle. Everything but remote server access is there, albeit prototype code style Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 169 diff changeset	425 /// and we'd better tell it we are not going to use it any more. However, it's important to ensure Inspector
71ddbf8603e8 Initial clone: populate given directory from a bundle. Everything but remote server access is there, albeit prototype code style Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 169 diff changeset	426 // implementations out there do not retain GroupElement.rawData()
532 688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 526 diff changeset	427 prevNodeid = ge.node();
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	428 len = da.isEmpty() ? 0 : da.readInt();
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	429 }
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	430 // need to skip up to group end if inspector told he don't want to continue with the group,
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	431 // because outer code may try to read next group immediately as we return back.
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	432 while (len > 4 && !da.isEmpty()) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	433 da.skip(len - 4 /* length field */);
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	434 len = da.isEmpty() ? 0 : da.readInt();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	435 }
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	436 }
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	437
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	438 private static void skipGroup(DataAccess da) throws IOException {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	439 int len = da.readInt();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	440 while (len > 4 && !da.isEmpty()) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	441 da.skip(len - 4); // sizeof(int)
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	442 len = da.isEmpty() ? 0 : da.readInt();
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	443 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	444 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	445
358 fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	446 @Experimental(reason="Cumbersome API, rawData and apply with byte[] perhaps need replacement with ByteChannel/ByteBuffer, and better Exceptions. Perhaps, shall split into interface and impl")
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	447 public static class GroupElement {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	448 private final byte[] header; // byte[80] takes 120 bytes, 4 Nodeids - 192
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	449 private final DataAccess dataAccess;
329 694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 295 diff changeset	450 private Patch patches;
532 688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 526 diff changeset	451 private final Nodeid deltaBase;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	452
532 688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 526 diff changeset	453 GroupElement(byte[] fourNodeids, Nodeid deltaBaseRev, DataAccess rawDataAccess) {
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	454 assert fourNodeids != null && fourNodeids.length == 80;
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	455 header = fourNodeids;
532 688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 526 diff changeset	456 deltaBase = deltaBaseRev;
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	457 dataAccess = rawDataAccess;
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	458 }
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	459
358 fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	460 /**
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	461 * <b>node</b> field of the group element
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	462 * @return node revision, never <code>null</code>
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	463 */
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	464 public Nodeid node() {
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	465 return Nodeid.fromBinary(header, 0);
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	466 }
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	467
358 fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	468 /**
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	469 * <b>p1</b> <i>(parent 1)</i> field of the group element
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	470 * @return revision of parent 1, never <code>null</code>
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	471 */
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	472 public Nodeid firstParent() {
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	473 return Nodeid.fromBinary(header, 20);
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	474 }
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	475
358 fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	476 /**
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	477 * <b>p2</b> <i>(parent 2)</i> field of the group element
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	478 * @return revision of parent 2, never <code>null</code>
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	479 */
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	480 public Nodeid secondParent() {
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	481 return Nodeid.fromBinary(header, 40);
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	482 }
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	483
358 fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	484 /**
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	485 * <b>cs</b> <i>(changeset link)</i> field of the group element
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	486 * @return changeset revision, never <code>null</code>
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	487 */
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	488 public Nodeid cset() {
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	489 return Nodeid.fromBinary(header, 60);
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	490 }
358 fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	491
532 688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 526 diff changeset	492 /**
688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 526 diff changeset	493 * Revision this element keeps patches against. For the patches of the very first revision returns {@link Nodeid#NULL}.
688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 526 diff changeset	494 * @return revision of delta base, never <code>null</code>
688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 526 diff changeset	495 */
688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 526 diff changeset	496 public Nodeid patchBase() {
688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 526 diff changeset	497 return deltaBase;
688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 526 diff changeset	498 }
688c1ab113bb Introduce explicit reference to base patch in bundle's group element, use it when cloning to fix defect when few revisions list null,null parents Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 526 diff changeset	499
358 fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	500 public byte[] rawDataByteArray() throws IOException { // XXX IOException or HgInvalidFileException?
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	501 return rawData().byteArray();
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	502 }
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	503
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	504 public byte[] apply(byte[] baseContent) throws IOException {
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	505 return apply(new ByteArrayDataAccess(baseContent));
fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	506 }
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	507
358 fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	508 /package-local/ DataAccess rawData() {
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	509 return dataAccess;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	510 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	511
329 694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 295 diff changeset	512 /package-local/ Patch patch() throws IOException {
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	513 if (patches == null) {
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	514 dataAccess.reset();
329 694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 295 diff changeset	515 patches = new Patch();
694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 295 diff changeset	516 patches.read(dataAccess);
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	517 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	518 return patches;
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	519 }
8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	520
358 fc8bc2f1edbe Clean internal classes from public API Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 357 diff changeset	521 /package-local/ byte[] apply(DataAccess baseContent) throws IOException {
329 694ebabb5cb3 Refactor revlog patch mechanism, towards patch merging Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 295 diff changeset	522 return patch().apply(baseContent, -1);
169 8c8e3f372fa1 Towards initial clone: refactor HgBundle to provide slightly higher-level structure of the bundle Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 157 diff changeset	523 }
357 dfb8405d996f Clean debug stacktraces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	524
dfb8405d996f Clean debug stacktraces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	525 public String toString() {
dfb8405d996f Clean debug stacktraces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	526 int patchCount;
dfb8405d996f Clean debug stacktraces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	527 try {
dfb8405d996f Clean debug stacktraces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	528 patchCount = patch().count();
dfb8405d996f Clean debug stacktraces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	529 } catch (IOException ex) {
dfb8405d996f Clean debug stacktraces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	530 ex.printStackTrace();
dfb8405d996f Clean debug stacktraces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	531 patchCount = -1;
dfb8405d996f Clean debug stacktraces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	532 }
dfb8405d996f Clean debug stacktraces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	533 return String.format("%s %s %s %s; patches:%d\n", node().shortNotation(), firstParent().shortNotation(), secondParent().shortNotation(), cset().shortNotation(), patchCount);
dfb8405d996f Clean debug stacktraces Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: 354 diff changeset	534 }
36 205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	535 }
205f9b59b400 Strip parsing logic out from console frontend Artem Tikhomirov <tikhomirov.artem@gmail.com> parents: diff changeset	536 }

Mercurial > hg4j

annotate src/org/tmatesoft/hg/repo/HgBundle.java @ 631:8a5cdcb27b8f