Mercurial > jhg

annotate src/org/tmatesoft/hg/internal/ChangelogMonitor.java @ 641:2f33f102a8fa v1.1.0

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Updated copyright year
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 11 Jun 2013 16:31:42 +0200
parents 6526d8adbc0f
children
rev   line source
610
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2013 TMate Software Ltd
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.internal;
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
19 import org.tmatesoft.hg.core.Nodeid;
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
20 import org.tmatesoft.hg.core.SessionContext;
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
21 import org.tmatesoft.hg.repo.HgRepository;
628
6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 610
diff changeset
22 import org.tmatesoft.hg.repo.HgRuntimeException;
610
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
23
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
24 /**
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 * Track changes to a repository based on recent changelog revision.
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26 * TODO shall be merged with {@link RevlogChangeMonitor} and {@link FileChangeMonitor} into
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 * a single facility available from {@link SessionContext}
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28 *
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29 * @author Artem Tikhomirov
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30 * @author TMate Software Ltd.
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 */
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
32 public class ChangelogMonitor {
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 private final HgRepository repo;
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 private int changelogRevCount = -1;
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
35 private Nodeid changelogLastRev = null;
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 public ChangelogMonitor(HgRepository hgRepo) {
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
38 repo = hgRepo;
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 }
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41 // memorize the state of the repository's changelog
628
6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 610
diff changeset
42 public void touch() throws HgRuntimeException {
610
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 changelogRevCount = repo.getChangelog().getRevisionCount();
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44 changelogLastRev = safeGetRevision(changelogRevCount-1);
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45 }
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
47 // if present state doesn't match the one we remember
628
6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 610
diff changeset
48 public boolean isChanged() throws HgRuntimeException {
610
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 int rc = repo.getChangelog().getRevisionCount();
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 if (rc != changelogRevCount) {
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 return true;
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52 }
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 Nodeid r = safeGetRevision(rc-1);
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54 return !r.equals(changelogLastRev);
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 }
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
57 // handles empty repository case
628
6526d8adbc0f Explicit HgRuntimeException to facilitate easy switch from runtime to checked exceptions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 610
diff changeset
58 private Nodeid safeGetRevision(int revIndex) throws HgRuntimeException {
610
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
59 if (revIndex >= 0) {
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
60 return repo.getChangelog().getRevision(revIndex);
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61 }
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62 return Nodeid.NULL;
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
63 }
5c68567b3645 Refresh tags, branches, bookmarks and ignore when their files (or csets in the repo) are changed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
64 }