Mercurial > jhg

comparison src/org/tmatesoft/hg/internal/ChangelogHelper.java @ 154:ba2bf656f00f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Changeset => RawChangeset
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 24 Feb 2011 22:16:19 +0100
parents 1c1891ad1c73
children f052f40839ec
comparison
equal deleted inserted replaced
153:ab7ea2ac21cb 154:ba2bf656f00f
16 */ 16 */
17 package org.tmatesoft.hg.internal; 17 package org.tmatesoft.hg.internal;
18 18
19 import java.util.TreeMap; 19 import java.util.TreeMap;
20 20
21 import org.tmatesoft.hg.repo.HgChangelog.Changeset; 21 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
22 import org.tmatesoft.hg.repo.HgDataFile; 22 import org.tmatesoft.hg.repo.HgDataFile;
23 import org.tmatesoft.hg.repo.HgInternals; 23 import org.tmatesoft.hg.repo.HgInternals;
24 import org.tmatesoft.hg.repo.HgRepository; 24 import org.tmatesoft.hg.repo.HgRepository;
25 import org.tmatesoft.hg.util.Path; 25 import org.tmatesoft.hg.util.Path;
26 26
30 * @author TMate Software Ltd. 30 * @author TMate Software Ltd.
31 */ 31 */
32 public class ChangelogHelper { 32 public class ChangelogHelper {
33 private final int leftBoundary; 33 private final int leftBoundary;
34 private final HgRepository repo; 34 private final HgRepository repo;
35 private final TreeMap<Integer, Changeset> cache = new TreeMap<Integer, Changeset>(); 35 private final TreeMap<Integer, RawChangeset> cache = new TreeMap<Integer, RawChangeset>();
36 private String nextCommitAuthor; 36 private String nextCommitAuthor;
37 37
38 /** 38 /**
39 * @param hgRepo 39 * @param hgRepo
40 * @param leftBoundaryRevision walker never visits revisions with local numbers less than specified, 40 * @param leftBoundaryRevision walker never visits revisions with local numbers less than specified,
56 * Walks changelog in reverse order 56 * Walks changelog in reverse order
57 * @param file 57 * @param file
58 * @return changeset where specified file is mentioned among affected files, or 58 * @return changeset where specified file is mentioned among affected files, or
59 * <code>null</code> if none found up to leftBoundary 59 * <code>null</code> if none found up to leftBoundary
60 */ 60 */
61 public Changeset findLatestChangeWith(Path file) { 61 public RawChangeset findLatestChangeWith(Path file) {
62 HgDataFile df = repo.getFileNode(file); 62 HgDataFile df = repo.getFileNode(file);
63 int changelogRev = df.getChangesetLocalRevision(HgRepository.TIP); 63 int changelogRev = df.getChangesetLocalRevision(HgRepository.TIP);
64 if (changelogRev >= leftBoundary) { 64 if (changelogRev >= leftBoundary) {
65 // the method is likely to be invoked for different files, 65 // the method is likely to be invoked for different files,
66 // while changesets might be the same. Cache 'em not to read too much. 66 // while changesets might be the same. Cache 'em not to read too much.
67 Changeset cs = cache.get(changelogRev); 67 RawChangeset cs = cache.get(changelogRev);
68 if (cs == null) { 68 if (cs == null) {
69 cs = repo.getChangelog().range(changelogRev, changelogRev).get(0); 69 cs = repo.getChangelog().range(changelogRev, changelogRev).get(0);
70 cache.put(changelogRev, cs); 70 cache.put(changelogRev, cs);
71 } 71 }
72 return cs; 72 return cs;