Mercurial > jhg

annotate src/org/tmatesoft/hg/internal/ChangelogHelper.java @ 367:2fadf8695f8a

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Use 'revision index' instead of the vague 'local revision number' concept in the API
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 16 Dec 2011 15:37:27 +0100
parents 5f9073eabf06
children 6e37c7168585
rev   line source
128
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2011 TMate Software Ltd
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.internal;
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import java.util.TreeMap;
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
20
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 247
diff changeset
21 import org.tmatesoft.hg.core.HgInvalidControlFileException;
154
ba2bf656f00f Changeset => RawChangeset
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 140
diff changeset
22 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
128
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23 import org.tmatesoft.hg.repo.HgDataFile;
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24 import org.tmatesoft.hg.repo.HgInternals;
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 import org.tmatesoft.hg.repo.HgRepository;
133
4a948ec83980 core.Path to util.Path as it's not Hg repo dependant
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 129
diff changeset
26 import org.tmatesoft.hg.util.Path;
128
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28 /**
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29 *
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30 * @author Artem Tikhomirov
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 * @author TMate Software Ltd.
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
32 */
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 public class ChangelogHelper {
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 private final int leftBoundary;
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
35 private final HgRepository repo;
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 247
diff changeset
36 private final TreeMap<Integer, RawChangeset> cache = new TreeMap<Integer, RawChangeset>(); // FIXME use IntMap instead
140
1c1891ad1c73 Slight optimization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
37 private String nextCommitAuthor;
128
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 /**
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40 * @param hgRepo
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41 * @param leftBoundaryRevision walker never visits revisions with local numbers less than specified,
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42 * IOW only revisions [leftBoundaryRevision..TIP] are considered.
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 */
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44 public ChangelogHelper(HgRepository hgRepo, int leftBoundaryRevision) {
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45 repo = hgRepo;
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46 leftBoundary = leftBoundaryRevision;
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
47 }
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 /**
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 * @return the repo
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 */
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52 public HgRepository getRepo() {
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 return repo;
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54 }
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56 /**
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
57 * Walks changelog in reverse order
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
58 * @param file
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 247
diff changeset
59 * @return changeset where specified file is mentioned among affected files, or <code>null</code> if none found up to leftBoundary
128
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
60 */
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 247
diff changeset
61 public RawChangeset findLatestChangeWith(Path file) throws HgInvalidControlFileException {
128
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62 HgDataFile df = repo.getFileNode(file);
247
f052f40839ec Issue 9: NPE in getModificationDate for files with status 'Unknown'
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 154
diff changeset
63 if (!df.exists()) {
f052f40839ec Issue 9: NPE in getModificationDate for files with status 'Unknown'
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 154
diff changeset
64 return null;
f052f40839ec Issue 9: NPE in getModificationDate for files with status 'Unknown'
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 154
diff changeset
65 }
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
66 int changelogRev = df.getChangesetRevisionIndex(HgRepository.TIP);
128
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
67 if (changelogRev >= leftBoundary) {
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
68 // the method is likely to be invoked for different files,
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
69 // while changesets might be the same. Cache 'em not to read too much.
154
ba2bf656f00f Changeset => RawChangeset
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 140
diff changeset
70 RawChangeset cs = cache.get(changelogRev);
128
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
71 if (cs == null) {
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
72 cs = repo.getChangelog().range(changelogRev, changelogRev).get(0);
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
73 cache.put(changelogRev, cs);
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
74 }
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
75 return cs;
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
76 }
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
77 return null;
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
78 }
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
79
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
80 public String getNextCommitUsername() {
140
1c1891ad1c73 Slight optimization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
81 if (nextCommitAuthor == null) {
1c1891ad1c73 Slight optimization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
82 nextCommitAuthor = new HgInternals(repo).getNextCommitUsername();
1c1891ad1c73 Slight optimization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
83 }
1c1891ad1c73 Slight optimization
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 133
diff changeset
84 return nextCommitAuthor;
128
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
85 }
44b97930570c Introduced ChangelogHelper to look up changesets files were modified in
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
86 }