Mercurial > jhg

annotate src/org/tmatesoft/hg/repo/HgBranches.java @ 526:2f9ed6bcefa2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Initial support for Revert command with accompanying minor refactoring
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 15 Jan 2013 17:07:19 +0100
parents b3c16d1aede0
children 5c68567b3645
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
456
909306e412e2 Refactor LogFacility and SessionContext, better API for both
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 433
diff changeset
19 import static org.tmatesoft.hg.util.LogFacility.Severity.Error;
909306e412e2 Refactor LogFacility and SessionContext, better API for both
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 433
diff changeset
20 import static org.tmatesoft.hg.util.LogFacility.Severity.Warn;
909306e412e2 Refactor LogFacility and SessionContext, better API for both
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 433
diff changeset
21
236
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.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
23 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
24 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
25 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
26 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
27 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
28 import java.util.ArrayList;
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29 import java.util.Arrays;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
30 import java.util.Collections;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
31 import java.util.HashMap;
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
32 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
33 import java.util.LinkedHashSet;
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
34 import java.util.LinkedList;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
35 import java.util.List;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
36 import java.util.Map;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
37 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
38 import java.util.regex.Pattern;
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
39
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
40 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
41 import org.tmatesoft.hg.internal.Experimental;
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
42 import org.tmatesoft.hg.internal.Internals;
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
43 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
44 import org.tmatesoft.hg.util.ProgressSupport;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
45
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 *
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
48 * @author Artem Tikhomirov
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
49 * @author TMate Software Ltd.
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
50 */
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
51 public class HgBranches {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
52
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
53 private final Map<String, BranchInfo> branches = new TreeMap<String, BranchInfo>();
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
54 private final HgRepository repo;
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
55 private final Internals internalRepo;
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
56 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
57
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
58 HgBranches(Internals internals) {
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
59 internalRepo = internals;
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
60 repo = internals.getRepo(); // merely a cached value
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
61 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
62
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 340
diff changeset
63 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
64 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
65 int lastInCache = -1;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
66 if (!branchheadsCache.canRead()) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
67 return lastInCache;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
68 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
69 BufferedReader br = null;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
70 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
71 try {
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
72 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
73 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
74 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
75 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
76 return lastInCache;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
77 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
78 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
79 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
80 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
81 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
82 // 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
83 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
84 }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
85 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
86 String[] elements = spacePattern.split(line.trim());
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
87 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
88 // bad entry
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
89 continue;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
90 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
91 // 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
92 String branchName = new String(elements[elements.length-1]);
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
93 List<Nodeid> heads = branchHeads.get(elements[1]);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
94 if (heads == null) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
95 branchHeads.put(branchName, heads = new LinkedList<Nodeid>());
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
96 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
97 heads.add(Nodeid.fromAscii(elements[0]));
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
98 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
99 for (Map.Entry<String, List<Nodeid>> e : branchHeads.entrySet()) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
100 Nodeid[] heads = e.getValue().toArray(new Nodeid[e.getValue().size()]);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
101 BranchInfo bi = new BranchInfo(e.getKey(), heads);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
102 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
103 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
104 return lastInCache;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
105 } catch (IOException ex) {
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 340
diff changeset
106 // log error, but otherwise do nothing
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
107 repo.getSessionContext().getLog().dump(getClass(), Warn, ex, null);
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 340
diff changeset
108 // 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
109 } catch (NumberFormatException ex) {
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
110 repo.getSessionContext().getLog().dump(getClass(), Warn, ex, null);
348
a0864b2892cd Expose errors reading mercurial control files with exception
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 340
diff changeset
111 // FALL THROUGH
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
112 } catch (HgInvalidControlFileException ex) {
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
113 // shall not happen, thus log as error
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
114 repo.getSessionContext().getLog().dump(getClass(), Error, ex, null);
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
115 // FALL THROUGH
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
116 } catch (HgInvalidRevisionException ex) {
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
117 repo.getSessionContext().getLog().dump(getClass(), Error, ex, null);
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
118 // FALL THROUGH
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
119 } finally {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
120 if (br != null) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
121 try {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
122 br.close();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
123 } catch (IOException ex) {
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
124 repo.getSessionContext().getLog().dump(getClass(), Warn, 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
125 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
126 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
127 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
128 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
129 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
130
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 354
diff changeset
131 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
132 branches.clear();
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
133 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
134 //
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
135 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
136 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
137 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
138 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
139 pw.init();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
140 ps.worked(repo.getChangelog().getRevisionCount());
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
141 // 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
142 final HashMap<String, Nodeid> branchStart = new HashMap<String, Nodeid>();
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
143 // 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
144 final HashMap<String, Nodeid> branchLastSeen = new HashMap<String, Nodeid>();
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
145 // 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
146 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
147 // 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
148 // 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
149 // 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
150 // 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
151 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
152 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
153
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
154 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
155 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
156 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
157 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
158 branchHeads.put(branchName, new LinkedList<Nodeid>());
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
159 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
160 } else {
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
161 final List<Nodeid> headCandidates = branchHeadCandidates.get(branchName);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
162 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
163 // 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
164 // 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
165 // 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
166 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
167 // 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
168 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
169 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
170 }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
171 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
172 }
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
173 List<Nodeid> immediateChildren = pw.directChildren(nodeid);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
174 if (immediateChildren.size() > 0) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
175 // 1) children may be in another branch
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
176 // 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
177 // we need to record all these as potential heads
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
178 //
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
179 // 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
180 branchLastSeen.put(branchName, nodeid);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
181 branchHeadCandidates.get(branchName).addAll(immediateChildren);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
182 } else {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
183 // 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
184 branchHeads.get(branchName).add(nodeid);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
185 }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
186 ps.worked(1);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
187 }
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 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
190 // 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
191 for (String bn : branchLastSeen.keySet()) {
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
192 // 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
193 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
194 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
195 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
196 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
197 if (bi != null) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
198 // 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
199 // 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
200 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
201 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
202 // 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
203 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
204 if (!newChildren.isEmpty()) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
205 // 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
206 // 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
207 // 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
208 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
209 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
210 heads.remove(oldHead);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
211 break;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
212 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
213 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
214 } // 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
215 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
216 heads.addAll(branchHeads.get(bn));
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
217 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
218 } else {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
219 Nodeid[] heads = branchHeads.get(bn).toArray(new Nodeid[0]);
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
220 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
221 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
222 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
223 }
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
224 }
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
225 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
226 final HgRevisionMap<HgChangelog> rmap = new HgRevisionMap<HgChangelog>(clog).init();
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
227 for (BranchInfo bi : branches.values()) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
228 bi.validate(clog, rmap);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
229 }
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
230 ps.done();
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
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
233 public List<BranchInfo> getAllBranches() {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
234 return new LinkedList<BranchInfo>(branches.values());
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
235
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
236 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
237
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
238 public BranchInfo getBranch(String name) {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
239 return branches.get(name);
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
240 }
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 /**
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
243 * 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
244 * 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
245 * @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
246 * @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
247 */
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
248 @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
249 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
250 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
251 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
252 }
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
253 File branchheadsCache = getCacheFile();
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
254 if (!branchheadsCache.exists()) {
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
255 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
256 branchheadsCache.createNewFile();
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
257 }
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
258 if (!branchheadsCache.canWrite()) {
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
259 return;
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
260 }
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
261 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
262 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
263 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
264 bw.write(lastNid.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(Integer.toString(lastRev));
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
267 bw.write("\n");
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
268 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
269 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
270 bw.write(nid.toString());
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
271 bw.write((int) ' ');
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
272 bw.write(bi.getName());
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
273 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
274 }
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 }
354
5f9073eabf06 Propagate errors with exceptions up to a end client
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 348
diff changeset
276 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
277 }
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
278
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
279 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
280 // prior to 1.8 used to be .hg/branchheads.cache
490
b3c16d1aede0 Refactoring: move HgRepository's implementation aspects to Internals (which is now its imlementation counterpart and primary repository class to be used by other parts of the library)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 456
diff changeset
281 return internalRepo.getFileFromRepoDir("cache/branchheads");
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
282 }
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
283
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
284 public static class BranchInfo {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
285 private final String name;
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
286 private List<Nodeid> heads;
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
287 private boolean closed;
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
288 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
289 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
290
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
291 // 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
292 // possible to determine.
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
293 BranchInfo(String branchName, Nodeid first, Nodeid[] branchHeads) {
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
294 name = branchName;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
295 start = first;
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
296 heads = Arrays.asList(branchHeads);
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
297 }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
298
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
299 // 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
300 // 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
301 BranchInfo(String branchName, Nodeid[] branchHeads) {
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
302 this(branchName, Nodeid.NULL, branchHeads);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
303 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
304
433
be697c3e951e Revlog.RevisionMap helper class got promoted as TLC, renamed to HgRevisionMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 432
diff changeset
305 void validate(HgChangelog clog, HgRevisionMap<HgChangelog> rmap) throws HgInvalidControlFileException {
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
306 int[] localCset = new int[heads.size()];
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
307 int i = 0;
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
308 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
309 localCset[i++] = rmap.revisionIndex(h);
308
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 // [0] tipmost, [1] tipmost open
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
312 final Nodeid[] tipmost = new Nodeid[] {null, null};
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
313 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
314 final ArrayList<Nodeid> _closedHeads = new ArrayList<Nodeid>(heads.size());
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
315 clog.range(new HgChangelog.Inspector() {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
316
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
317 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
318 assert heads.contains(nodeid);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
319 tipmost[0] = nodeid;
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
320 if (!"1".equals(cset.extras().get("close"))) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
321 tipmost[1] = nodeid;
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
322 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
323 } else {
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
324 _closedHeads.add(nodeid);
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
325 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
326 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
327 }, localCset);
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
328 closed = allClosed[0];
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
329 Nodeid[] outcome = new Nodeid[localCset.length];
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
330 i = 0;
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
331 if (!closed && tipmost[1] != null) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
332 outcome[i++] = tipmost[1];
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
333 if (i < outcome.length && !tipmost[0].equals(tipmost[1])) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
334 outcome[i++] = tipmost[0];
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
335 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
336 } else {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
337 outcome[i++] = tipmost[0];
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
338 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
339 for (Nodeid h : heads) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
340 if (!h.equals(tipmost[0]) && !h.equals(tipmost[1])) {
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
341 outcome[i++] = h;
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
342 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
343 }
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
344 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
345 if (closed) {
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
346 // no need
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
347 closedHeads = null;
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
348 } else {
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
349 _closedHeads.trimToSize();
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
350 closedHeads = _closedHeads;
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
351 }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
352 }
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
353
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
354 public String getName() {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
355 return name;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
356 }
308
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
357 /**
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
358 * @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
359 */
3f40262153a4 Recognize closed branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 295
diff changeset
360 public boolean isClosed() {
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
361 return closed;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
362 }
315
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
363
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 * @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
366 */
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
367 public List<Nodeid> getHeads() {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
368 return heads;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
369 }
315
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 /**
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
372 *
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
373 * @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
374 * @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
375 * @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
376 */
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
377 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
378 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
379 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
380 }
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
381 if (closed) {
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
382 return true;
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
383 }
8952f89be195 Allow to query specific branch heads if they are closed
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 309
diff changeset
384 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
385 }
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
386 // public Nodeid getTip() {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
387 // }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
388 /*public*/ Nodeid getStart() {
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
389 // first node where branch appears
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
390 return start;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
391 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
392 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
393 }