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comparison src/org/tmatesoft/hg/repo/HgDataFile.java @ 74:6f1b88693d48

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Complete refactoring to org.tmatesoft
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 24 Jan 2011 03:14:45 +0100
parents src/com/tmate/hgkit/ll/HgDataFile.java@576d6e8a09f6
children c677e1593919
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73:0d279bcc4442 74:6f1b88693d48
1 /*
2 * Copyright (c) 2010-2011 TMate Software Ltd
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * For information on how to redistribute this software under
14 * the terms of a license other than GNU General Public License
15 * contact TMate Software at support@svnkit.com
16 */
17 package org.tmatesoft.hg.repo;
18
19 import static org.tmatesoft.hg.repo.HgRepository.TIP;
20
21 import org.tmatesoft.hg.core.Nodeid;
22 import org.tmatesoft.hg.core.Path;
23
24
25
26 /**
27 * ? name:HgFileNode?
28 *
29 * @author Artem Tikhomirov
30 * @author TMate Software Ltd.
31 */
32 public class HgDataFile extends Revlog {
33
34 // absolute from repo root?
35 // slashes, unix-style?
36 // repo location agnostic, just to give info to user, not to access real storage
37 private final Path path;
38
39 /*package-local*/HgDataFile(HgRepository hgRepo, Path path, RevlogStream content) {
40 super(hgRepo, content);
41 this.path = path;
42 }
43
44 public boolean exists() {
45 return content != null; // XXX need better impl
46 }
47
48 public Path getPath() {
49 return path; // hgRepo.backresolve(this) -> name?
50 }
51
52 public int length(Nodeid nodeid) {
53 return content.dataLength(getLocalRevisionNumber(nodeid));
54 }
55
56 public byte[] content() {
57 return content(TIP);
58 }
59
60 public void history(Changeset.Inspector inspector) {
61 history(0, content.revisionCount() - 1, inspector);
62 }
63
64 public void history(int start, int end, Changeset.Inspector inspector) {
65 if (!exists()) {
66 throw new IllegalStateException("Can't get history of invalid repository file node");
67 }
68 final int[] commitRevisions = new int[end - start + 1];
69 Revlog.Inspector insp = new Revlog.Inspector() {
70 int count = 0;
71
72 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, byte[] data) {
73 commitRevisions[count++] = linkRevision;
74 }
75 };
76 content.iterate(start, end, false, insp);
77 getRepo().getChangelog().range(inspector, commitRevisions);
78 }
79 }