Mercurial > jhg

annotate src/org/tmatesoft/hg/repo/HgBranches.java @ 441:2a08466838d3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Don't use methods not available in Java 5
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 26 Apr 2012 12:42:32 +0200
parents be697c3e951e
children 909306e412e2
rev   line source
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
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: 367
diff changeset
2 * Copyright (c) 2011-2012 TMate Software Ltd
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
3 *
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
4 * This program is free software; you can redistribute it and/or modify
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
5 * it under the terms of the GNU General Public License as published by
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
6 * the Free Software Foundation; version 2 of the License.
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
7 *
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
8 * This program is distributed in the hope that it will be useful,
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
11 * GNU General Public License for more details.
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
12 *
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
13 * For information on how to redistribute this software under
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
14 * the terms of a license other than GNU General Public License
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
15 * contact TMate Software at support@hg4j.com
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
16 */
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
17 package org.tmatesoft.hg.repo;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
18
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
19 import java.io.BufferedReader;
244
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
20 import java.io.BufferedWriter;
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
21 import java.io.File;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
22 import java.io.FileReader;
244
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
23 import java.io.FileWriter;
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
24 import java.io.IOException;
315
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
25 import java.util.ArrayList;
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
26 import java.util.Arrays;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
27 import java.util.Collections;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
28 import java.util.HashMap;
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
29 import java.util.LinkedHashMap;
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
30 import java.util.LinkedHashSet;
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 import java.util.LinkedList;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
32 import java.util.List;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
33 import java.util.Map;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 import java.util.TreeMap;
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
35 import java.util.regex.Pattern;
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 import org.tmatesoft.hg.core.Nodeid;
244
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
38 import org.tmatesoft.hg.internal.Experimental;
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40 import org.tmatesoft.hg.util.ProgressSupport;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
41
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
42 /**
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 *
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44 * @author Artem Tikhomirov
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45 * @author TMate Software Ltd.
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
46 */
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
47 public class HgBranches {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 private final Map<String, BranchInfo> branches = new TreeMap<String, BranchInfo>();
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 private final HgRepository repo;
244
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
51 private boolean isCacheActual = false;
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
52
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 HgBranches(HgRepository hgRepo) {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54 repo = hgRepo;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
55 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
56
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 340
diff changeset
57 private int readCache() {
244
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
58 File branchheadsCache = getCacheFile();
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
59 int lastInCache = -1;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
60 if (!branchheadsCache.canRead()) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
61 return lastInCache;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
62 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
63 BufferedReader br = null;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
64 final Pattern spacePattern = Pattern.compile(" ");
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
65 try {
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
66 final LinkedHashMap<String, List<Nodeid>> branchHeads = new LinkedHashMap<String, List<Nodeid>>();
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
67 br = new BufferedReader(new FileReader(branchheadsCache));
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
68 String line = br.readLine();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
69 if (line == null || line.trim().length() == 0) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
70 return lastInCache;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
71 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
72 String[] cacheIdentity = spacePattern.split(line.trim());
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
73 lastInCache = Integer.parseInt(cacheIdentity[1]);
340
a54bfe0db959 IAE using stale data from branchheads file (invalid due to repository rollback)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 315
diff changeset
74 final int lastKnownRepoRevIndex = repo.getChangelog().getLastRevision();
a54bfe0db959 IAE using stale data from branchheads file (invalid due to repository rollback)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 315
diff changeset
75 if (lastInCache > lastKnownRepoRevIndex || !repo.getChangelog().getRevision(lastKnownRepoRevIndex).equals(Nodeid.fromAscii(cacheIdentity[0]))) {
a54bfe0db959 IAE using stale data from branchheads file (invalid due to repository rollback)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 315
diff changeset
76 // there are chances cache file got invalid entries due to e.g. rollback operation
a54bfe0db959 IAE using stale data from branchheads file (invalid due to repository rollback)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 315
diff changeset
77 return -1;
a54bfe0db959 IAE using stale data from branchheads file (invalid due to repository rollback)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 315
diff changeset
78 }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
79 while ((line = br.readLine()) != null) {
244
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
80 String[] elements = spacePattern.split(line.trim());
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
81 if (elements.length != 2) {
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
82 // bad entry
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
83 continue;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
84 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
85 // I assume split returns substrings of the original string, hence copy of a branch name
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
86 String branchName = new String(elements[elements.length-1]);
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
87 List<Nodeid> heads = branchHeads.get(elements[1]);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
88 if (heads == null) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
89 branchHeads.put(branchName, heads = new LinkedList<Nodeid>());
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
90 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
91 heads.add(Nodeid.fromAscii(elements[0]));
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
92 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
93 for (Map.Entry<String, List<Nodeid>> e : branchHeads.entrySet()) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
94 Nodeid[] heads = e.getValue().toArray(new Nodeid[e.getValue().size()]);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
95 BranchInfo bi = new BranchInfo(e.getKey(), heads);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
96 branches.put(e.getKey(), bi);
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
97 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
98 return lastInCache;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
99 } catch (IOException ex) {
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 340
diff changeset
100 // log error, but otherwise do nothing
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 340
diff changeset
101 repo.getContext().getLog().warn(getClass(), ex, null);
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 340
diff changeset
102 // FALL THROUGH to return -1 indicating no cache information
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 340
diff changeset
103 } catch (NumberFormatException ex) {
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 340
diff changeset
104 repo.getContext().getLog().warn(getClass(), ex, null);
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 340
diff changeset
105 // FALL THROUGH
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
106 } catch (HgInvalidControlFileException ex) {
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
107 // shall not happen, thus log as error
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
108 repo.getContext().getLog().error(getClass(), ex, null);
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
109 // FALL THROUGH
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
110 } catch (HgInvalidRevisionException ex) {
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
111 repo.getContext().getLog().error(getClass(), ex, null);
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
112 // FALL THROUGH
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
113 } finally {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
114 if (br != null) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
115 try {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
116 br.close();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
117 } catch (IOException ex) {
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 244
diff changeset
118 repo.getContext().getLog().info(getClass(), ex, null); // ignore
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
119 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
120 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
121 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
122 return -1; // deliberately not lastInCache, to avoid anything but -1 when 1st line was read and there's error is in lines 2..end
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
123 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
124
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
125 void collect(final ProgressSupport ps) throws HgInvalidControlFileException {
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
126 branches.clear();
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
127 ps.start(1 + repo.getChangelog().getRevisionCount() * 2);
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
128 //
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
129 int lastCached = readCache();
244
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
130 isCacheActual = lastCached == repo.getChangelog().getLastRevision();
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
131 if (!isCacheActual) {
432
1fc0da631200 Revlog.ParentWalker helper class got promoted as TLC, renamed to HgParentChildMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 423
diff changeset
132 final HgParentChildMap<HgChangelog> pw = new HgParentChildMap<HgChangelog>(repo.getChangelog());
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
133 pw.init();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
134 ps.worked(repo.getChangelog().getRevisionCount());
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
135 // first revision branch found at
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
136 final HashMap<String, Nodeid> branchStart = new HashMap<String, Nodeid>();
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
137 // last revision seen for the branch
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
138 final HashMap<String, Nodeid> branchLastSeen = new HashMap<String, Nodeid>();
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
139 // revisions from the branch that have no children at all
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
140 final HashMap<String, List<Nodeid>> branchHeads = new HashMap<String, List<Nodeid>>();
309
962f78aac342 Branch with few children forked shall not ignore other children once one of them is processed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 308
diff changeset
141 // revisions that are immediate children of a node from a given branch
962f78aac342 Branch with few children forked shall not ignore other children once one of them is processed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 308
diff changeset
142 // after iteration, there are some revisions left in this map (children of a branch last revision
962f78aac342 Branch with few children forked shall not ignore other children once one of them is processed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 308
diff changeset
143 // that doesn't belong to the branch. No use of this now, perhaps can deduce isInactive (e.g.those
962f78aac342 Branch with few children forked shall not ignore other children once one of them is processed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 308
diff changeset
144 // branches that have non-empty candidates are inactive if all their heads are roots for those left)
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
145 final HashMap<String, List<Nodeid>> branchHeadCandidates = new HashMap<String, List<Nodeid>>();
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
146 HgChangelog.Inspector insp = new HgChangelog.Inspector() {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
147
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
148 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
149 String branchName = cset.branch();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
150 if (!branchStart.containsKey(branchName)) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
151 branchStart.put(branchName, nodeid);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
152 branchHeads.put(branchName, new LinkedList<Nodeid>());
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
153 branchHeadCandidates.put(branchName, new LinkedList<Nodeid>());
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
154 } else {
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
155 final List<Nodeid> headCandidates = branchHeadCandidates.get(branchName);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
156 if (headCandidates.remove(nodeid)) {
309
962f78aac342 Branch with few children forked shall not ignore other children once one of them is processed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 308
diff changeset
157 // likely we don't need to keep parent anymore, as we found at least 1 child thereof to be at the same branch
962f78aac342 Branch with few children forked shall not ignore other children once one of them is processed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 308
diff changeset
158 // however, it's possible the child we found is a result of an earlier fork, and revision in the
962f78aac342 Branch with few children forked shall not ignore other children once one of them is processed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 308
diff changeset
159 // branchLastSeen is 'parallel' head, which needs to be kept
962f78aac342 Branch with few children forked shall not ignore other children once one of them is processed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 308
diff changeset
160 Nodeid lastSeenInBranch = branchLastSeen.get(branchName);
962f78aac342 Branch with few children forked shall not ignore other children once one of them is processed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 308
diff changeset
161 // check if current revision is on descendant line. Seems direct parents check is enough
962f78aac342 Branch with few children forked shall not ignore other children once one of them is processed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 308
diff changeset
162 if (pw.safeFirstParent(nodeid).equals(lastSeenInBranch) || pw.safeSecondParent(nodeid).equals(lastSeenInBranch)) {
962f78aac342 Branch with few children forked shall not ignore other children once one of them is processed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 308
diff changeset
163 branchLastSeen.remove(branchName);
962f78aac342 Branch with few children forked shall not ignore other children once one of them is processed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 308
diff changeset
164 }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
165 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
166 }
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
167 List<Nodeid> immediateChildren = pw.directChildren(nodeid);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
168 if (immediateChildren.size() > 0) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
169 // 1) children may be in another branch
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
170 // and unless we later came across another element from this branch,
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
171 // we need to record all these as potential heads
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
172 //
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
173 // 2) head1 with children in different branch, and head2 in this branch without children
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
174 branchLastSeen.put(branchName, nodeid);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
175 branchHeadCandidates.get(branchName).addAll(immediateChildren);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
176 } else {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
177 // no more children known for this node, it's (one of the) head of the branch
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
178 branchHeads.get(branchName).add(nodeid);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
179 }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
180 ps.worked(1);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
181 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
182 };
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
183 repo.getChangelog().range(lastCached == -1 ? 0 : lastCached+1, HgRepository.TIP, insp);
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
184 // those last seen revisions from the branch that had no children from the same branch are heads.
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
185 for (String bn : branchLastSeen.keySet()) {
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
186 // these are inactive branches? - there were children, but not from the same branch?
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
187 branchHeads.get(bn).add(branchLastSeen.get(bn));
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
188 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
189 for (String bn : branchStart.keySet()) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
190 BranchInfo bi = branches.get(bn);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
191 if (bi != null) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
192 // although heads from cache shall not intersect with heads after lastCached,
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
193 // use of LHS doesn't hurt (and makes sense e.g. if cache is not completely correct in my tests)
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
194 LinkedHashSet<Nodeid> heads = new LinkedHashSet<Nodeid>(bi.getHeads());
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
195 for (Nodeid oldHead : bi.getHeads()) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
196 // XXX perhaps, need pw.canReach(Nodeid from, Collection<Nodeid> to)
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
197 List<Nodeid> newChildren = pw.childrenOf(Collections.singletonList(oldHead));
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
198 if (!newChildren.isEmpty()) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
199 // likely not a head any longer,
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
200 // check if any new head can be reached from old one, and, if yes,
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
201 // do not consider that old head as head.
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
202 for (Nodeid newHead : branchHeads.get(bn)) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
203 if (newChildren.contains(newHead)) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
204 heads.remove(oldHead);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
205 break;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
206 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
207 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
208 } // else - oldHead still head for the branch
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
209 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
210 heads.addAll(branchHeads.get(bn));
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
211 bi = new BranchInfo(bn, bi.getStart(), heads.toArray(new Nodeid[0]));
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
212 } else {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
213 Nodeid[] heads = branchHeads.get(bn).toArray(new Nodeid[0]);
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
214 bi = new BranchInfo(bn, branchStart.get(bn), heads);
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
215 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
216 branches.put(bn, bi);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
217 }
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
218 }
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
219 final HgChangelog clog = repo.getChangelog();
433
be697c3e951e Revlog.RevisionMap helper class got promoted as TLC, renamed to HgRevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 432
diff changeset
220 final HgRevisionMap<HgChangelog> rmap = new HgRevisionMap<HgChangelog>(clog).init();
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
221 for (BranchInfo bi : branches.values()) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
222 bi.validate(clog, rmap);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
223 }
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
224 ps.done();
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
225 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
226
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
227 public List<BranchInfo> getAllBranches() {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
228 return new LinkedList<BranchInfo>(branches.values());
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
229
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
230 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
231
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
232 public BranchInfo getBranch(String name) {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
233 return branches.get(name);
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
234 }
244
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
235
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
236 /**
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
237 * Writes down information about repository branches in a format Mercurial native client can understand.
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
238 * Cache file gets overwritten only if it is out of date (i.e. misses some branch information)
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
239 * @throws IOException if write to cache file failed
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: 367
diff changeset
240 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
244
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
241 */
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
242 @Experimental(reason="Usage of cache isn't supposed to be public knowledge")
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: 367
diff changeset
243 public void writeCache() throws IOException, HgRuntimeException {
244
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
244 if (isCacheActual) {
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
245 return;
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
246 }
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
247 File branchheadsCache = getCacheFile();
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
248 if (!branchheadsCache.exists()) {
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
249 branchheadsCache.getParentFile().mkdirs(); // just in case cache/ doesn't exist jet
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
250 branchheadsCache.createNewFile();
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
251 }
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
252 if (!branchheadsCache.canWrite()) {
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
253 return;
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
254 }
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
255 final int lastRev = repo.getChangelog().getLastRevision();
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
256 final Nodeid lastNid = repo.getChangelog().getRevision(lastRev);
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
257 BufferedWriter bw = new BufferedWriter(new FileWriter(branchheadsCache));
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
258 bw.write(lastNid.toString());
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
259 bw.write((int) ' ');
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
260 bw.write(Integer.toString(lastRev));
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
261 bw.write("\n");
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
262 for (BranchInfo bi : branches.values()) {
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
263 for (Nodeid nid : bi.getHeads()) {
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
264 bw.write(nid.toString());
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
265 bw.write((int) ' ');
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
266 bw.write(bi.getName());
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
267 bw.write("\n");
244
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
268 }
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
269 }
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
270 bw.close();
244
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
271 }
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
272
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
273 private File getCacheFile() {
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
274 // prior to 1.8 used to be .hg/branchheads.cache
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
275 return new File(repo.getRepositoryRoot(), "cache/branchheads");
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
276 }
4b661efb9374 Use updated location of cache files (cache/ folder instead of .cache filename extension). Provide means to update (write down) cache for subsequent uses
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 236
diff changeset
277
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
278 public static class BranchInfo {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
279 private final String name;
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
280 private List<Nodeid> heads;
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
281 private boolean closed;
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
282 private final Nodeid start;
315
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
283 private List<Nodeid> closedHeads; // subset of heads, those that bear 'closed' flag, or null if closed == true
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
284
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
285 // XXX in fact, few but not all branchHeads might be closed, and isClosed for whole branch is not
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
286 // possible to determine.
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
287 BranchInfo(String branchName, Nodeid first, Nodeid[] branchHeads) {
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
288 name = branchName;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
289 start = first;
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
290 heads = Arrays.asList(branchHeads);
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
291 }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
292
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
293 // incomplete branch, there's not enough information at the time of creation. shall be replaced with
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
294 // proper BI in #collect()
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
295 BranchInfo(String branchName, Nodeid[] branchHeads) {
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
296 this(branchName, Nodeid.NULL, branchHeads);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
297 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
298
433
be697c3e951e Revlog.RevisionMap helper class got promoted as TLC, renamed to HgRevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 432
diff changeset
299 void validate(HgChangelog clog, HgRevisionMap<HgChangelog> rmap) throws HgInvalidControlFileException {
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
300 int[] localCset = new int[heads.size()];
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
301 int i = 0;
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
302 for (Nodeid h : heads) {
367
2fadf8695f8a Use 'revision index' instead of the vague 'local revision number' concept in the API
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 366
diff changeset
303 localCset[i++] = rmap.revisionIndex(h);
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
304 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
305 // [0] tipmost, [1] tipmost open
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
306 final Nodeid[] tipmost = new Nodeid[] {null, null};
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
307 final boolean[] allClosed = new boolean[] { true };
315
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
308 final ArrayList<Nodeid> _closedHeads = new ArrayList<Nodeid>(heads.size());
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
309 clog.range(new HgChangelog.Inspector() {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
310
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
311 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
312 assert heads.contains(nodeid);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
313 tipmost[0] = nodeid;
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
314 if (!"1".equals(cset.extras().get("close"))) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
315 tipmost[1] = nodeid;
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
316 allClosed[0] = false;
315
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
317 } else {
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
318 _closedHeads.add(nodeid);
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
319 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
320 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
321 }, localCset);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
322 closed = allClosed[0];
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
323 Nodeid[] outcome = new Nodeid[localCset.length];
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
324 i = 0;
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
325 if (!closed && tipmost[1] != null) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
326 outcome[i++] = tipmost[1];
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
327 if (i < outcome.length && !tipmost[0].equals(tipmost[1])) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
328 outcome[i++] = tipmost[0];
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
329 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
330 } else {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
331 outcome[i++] = tipmost[0];
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
332 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
333 for (Nodeid h : heads) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
334 if (!h.equals(tipmost[0]) && !h.equals(tipmost[1])) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
335 outcome[i++] = h;
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
336 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
337 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
338 heads = Arrays.asList(outcome);
315
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
339 if (closed) {
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
340 // no need
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
341 closedHeads = null;
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
342 } else {
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
343 _closedHeads.trimToSize();
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
344 closedHeads = _closedHeads;
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
345 }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
346 }
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
347
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
348 public String getName() {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
349 return name;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
350 }
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
351 /**
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
352 * @return <code>true</code> if all heads of this branch are marked as closed
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
353 */
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
354 public boolean isClosed() {
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
355 return closed;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
356 }
315
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
357
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
358 /**
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
359 * @return all heads for the branch, both open and closed, tip-most head first
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
360 */
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
361 public List<Nodeid> getHeads() {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
362 return heads;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
363 }
315
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
364
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
365 /**
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
366 *
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
367 * @param head one of revision from {@link #getHeads() heads} of this branch
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
368 * @return true if this particular head is closed
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
369 * @throws IllegalArgumentException if argument is not from {@link #getHeads() heads} of this branch
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
370 */
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
371 public boolean isClosed(Nodeid head) {
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
372 if (!heads.contains(head)) {
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
373 throw new IllegalArgumentException(String.format("Revision %s does not belong to heads of %s branch", head, name), null);
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
374 }
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
375 if (closed) {
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
376 return true;
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
377 }
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
378 return closedHeads.contains(head);
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
379 }
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
380 // public Nodeid getTip() {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
381 // }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
382 /*public*/ Nodeid getStart() {
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
383 // first node where branch appears
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
384 return start;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
385 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
386 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
387 }