Mercurial > hg4j

annotate src/org/tmatesoft/hg/repo/HgBranches.java @ 247:f052f40839ec

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Issue 9: NPE in getModificationDate for files with status 'Unknown'
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 12 Aug 2011 17:17:37 +0200
parents 4b661efb9374
children 981f9f50bb6c
rev   line source
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
1 /*
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
2 * Copyright (c) 2011 TMate Software Ltd
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;
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
25 import java.util.ArrayList;
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;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
29 import java.util.HashSet;
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
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
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 {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
66 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
67 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
68 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
69 return lastInCache;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
70 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
71 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
72 lastInCache = Integer.parseInt(cacheIdentity[1]);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
73 // XXX may want to check if nodeid of cset from repo.getChangelog() of lastInCache index match cacheIdentity[0]
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
74 //
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
75 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
76 String[] elements = spacePattern.split(line.trim());
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
77 if (elements.length < 2) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
78 // bad entry
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
79 continue;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
80 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
81 Nodeid[] branchHeads = new Nodeid[elements.length - 1];
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
82 for (int i = 0; i < elements.length - 1; i++) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
83 branchHeads[i] = Nodeid.fromAscii(elements[i]);
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]);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
87 BranchInfo bi = new BranchInfo(branchName, branchHeads);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
88 branches.put(branchName, bi);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
89 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
90 return lastInCache;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
91 } catch (IOException ex) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
92 ex.printStackTrace(); // XXX log error, but otherwise do nothing
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
93 } finally {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
94 if (br != null) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
95 try {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
96 br.close();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
97 } catch (IOException ex) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
98 ex.printStackTrace(); // ignore
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
99 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
100 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
101 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
102 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
103 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
104
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
105 void collect(final ProgressSupport ps) {
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
106 branches.clear();
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
107 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
108 //
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
109 int lastCached = readCache();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
110 /*
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
111 * Next code was supposed to fill missing aspects of the BranchInfo, but is too slow
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
112 *
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
113 if (lastCached != -1 && lastCached <= repo.getChangelog().getLastRevision()) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
114 LinkedList<BranchInfo> incompleteBranches = new LinkedList<HgBranches.BranchInfo>(branches.values());
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
115 for (BranchInfo bi : incompleteBranches) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
116 LinkedList<Nodeid> closedHeads = new LinkedList<Nodeid>();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
117 for (Nodeid h : bi.getHeads()) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
118 if ("1".equals(repo.getChangelog().changeset(h).extras().get("close"))) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
119 closedHeads.add(h);
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
120 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
121 }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
122 HashSet<Nodeid> earliest = new HashSet<Nodeid>(bi.getHeads());
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
123 HashSet<Nodeid> visited = new HashSet<Nodeid>();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
124 ArrayList<Nodeid> parents = new ArrayList<Nodeid>(2);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
125 HashSet<Nodeid> candidate = new HashSet<Nodeid>();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
126 do {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
127 candidate.clear();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
128 for (Nodeid e : earliest) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
129 parents.clear();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
130 if (pw.appendParentsOf(e, parents)) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
131 // at least one parent
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
132 Nodeid p1 = parents.get(0);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
133 if (p1 != null && !visited.contains(p1) && bi.getName().equals(repo.getChangelog().changeset(p1).branch())) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
134 visited.add(p1);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
135 candidate.add(p1);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
136 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
137 Nodeid p2 = parents.size() > 1 ? parents.get(1) : null;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
138 if (p2 != null && !visited.contains(p2) && bi.getName().equals(repo.getChangelog().changeset(p2).branch())) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
139 visited.add(p2);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
140 candidate.add(p2);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
141 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
142 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
143 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
144 if (!candidate.isEmpty()) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
145 earliest.clear();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
146 earliest.addAll(candidate);
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 } while (!candidate.isEmpty());
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
149 // earliest can't be empty, we've started with non-empty heads.
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
150 Nodeid first = null;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
151 if (earliest.size() == 1) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
152 first = earliest.iterator().next();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
153 } else {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
154 int earliestRevNum = Integer.MAX_VALUE;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
155 for (Nodeid e : earliest) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
156 int x = repo.getChangelog().getLocalRevision(e);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
157 if (x < earliestRevNum) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
158 earliestRevNum = x;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
159 first = e;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
160 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
161 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
162 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
163 assert first != null;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
164 System.out.println("Updated branch " + bi.getName());
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
165 branches.put(bi.getName(), new BranchInfo(bi.getName(), first, bi.getHeads().toArray(new Nodeid[0]), closedHeads.size() == bi.getHeads().size()));
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
166 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
167 }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
168 */
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
169 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
170 if (!isCacheActual) {
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
171 final HgChangelog.ParentWalker pw = repo.getChangelog().new ParentWalker();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
172 pw.init();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
173 ps.worked(repo.getChangelog().getRevisionCount());
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
174 final HashMap<String, Nodeid> branchStart = new HashMap<String, Nodeid>();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
175 final HashMap<String, Nodeid> branchLastSeen = new HashMap<String, Nodeid>();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
176 final HashMap<String, List<Nodeid>> branchHeads = new HashMap<String, List<Nodeid>>();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
177 final HashSet<String> closedBranches = new HashSet<String>();
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
178 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
179
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
180 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
181 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
182 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
183 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
184 branchHeads.put(branchName, new LinkedList<Nodeid>());
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
185 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
186 branchLastSeen.remove(branchName);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
187 if ("1".equals(cset.extras().get("close"))) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
188 branchHeads.get(branchName).add(nodeid); // XXX what if it still has children?
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
189 closedBranches.add(branchName);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
190 } else {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
191 if (pw.hasChildren(nodeid)) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
192 // children may be in another branch
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
193 // and unless we later came across another element from this branch,
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
194 // we need to record all these as valid heads
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
195 // XXX what about next case: head1 with children in different branch, and head2 without children
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
196 // head1 would get lost
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
197 branchLastSeen.put(branchName, nodeid);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
198 } else {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
199 // no more children known for this node, it's (one of the) head of the branch
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
200 branchHeads.get(branchName).add(nodeid);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
201 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
202 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
203 ps.worked(1);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
204 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
205 };
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
206 repo.getChangelog().range(lastCached == -1 ? 0 : lastCached+1, HgRepository.TIP, insp);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
207 for (String bn : branchLastSeen.keySet()) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
208 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
209 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
210 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
211 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
212 if (bi != null) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
213 // 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
214 // 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
215 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
216 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
217 // 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
218 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
219 if (!newChildren.isEmpty()) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
220 // 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
221 // 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
222 // 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
223 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
224 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
225 heads.remove(oldHead);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
226 break;
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
227 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
228 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
229 } // 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
230 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
231 heads.addAll(branchHeads.get(bn));
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
232 bi = new BranchInfo(bn, bi.getStart(), heads.toArray(new Nodeid[0]), bi.isClosed() && closedBranches.contains(bn));
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
233 } else {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
234 Nodeid[] heads = branchHeads.get(bn).toArray(new Nodeid[0]);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
235 bi = new BranchInfo(bn, branchStart.get(bn), heads, closedBranches.contains(bn));
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
236 }
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
237 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
238 }
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
239 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
240 ps.done();
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
241 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
242
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
243 public List<BranchInfo> getAllBranches() {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
244 return new LinkedList<BranchInfo>(branches.values());
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
245
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
246 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
247
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
248 public BranchInfo getBranch(String name) {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
249 return branches.get(name);
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
250 }
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
251
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 /**
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
253 * 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
254 * Cache file gets overwritten only if it is out of date (i.e. misses some branch information)
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
255 */
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
256 @Experimental(reason="Usage of cache isn't supposed to be public knowledge")
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
257 public void writeCache() {
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
258 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
259 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
260 }
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
261 try {
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
262 File branchheadsCache = 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
263 if (!branchheadsCache.exists()) {
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
264 branchheadsCache.getParentFile().mkdirs(); // just in case cache/ doesn't exist jet
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
265 branchheadsCache.createNewFile();
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
266 }
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
267 if (!branchheadsCache.canWrite()) {
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 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
269 }
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
270 final int lastRev = 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
271 final Nodeid lastNid = repo.getChangelog().getRevision(lastRev);
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 BufferedWriter bw = new BufferedWriter(new FileWriter(branchheadsCache));
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 bw.write(lastNid.toString());
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 bw.write((int) ' ');
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 bw.write(Integer.toString(lastRev));
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 bw.write("\n");
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 for (BranchInfo bi : branches.values()) {
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 for (Nodeid nid : bi.getHeads()) {
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 bw.write(nid.toString());
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 bw.write((int) ' ');
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
281 bw.write(bi.getName());
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 bw.write("\n");
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 }
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
284 }
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
285 bw.close();
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
286 } catch (IOException e) {
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
287 // TODO Auto-generated catch block
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
288 e.printStackTrace();
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
289 }
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
290 }
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
291
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
292 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
293 // 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
294 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
295 }
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
296
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
297 public static class BranchInfo {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
298 private final String name;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
299 private final List<Nodeid> heads;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
300 private final boolean closed;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
301 private final Nodeid start;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
302
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
303 // 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
304 // possible to determine.
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
305 BranchInfo(String branchName, Nodeid first, Nodeid[] branchHeads, boolean isClosed) {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
306 name = branchName;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
307 start = first;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
308 heads = Collections.unmodifiableList(new ArrayList<Nodeid>(Arrays.asList(branchHeads)));
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
309 closed = isClosed;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
310 }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
311
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
312 // 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
313 // 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
314 BranchInfo(String branchName, Nodeid[] branchHeads) {
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
315 this(branchName, Nodeid.NULL, branchHeads, false);
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
316 }
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
317
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
318 public String getName() {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
319 return name;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
320 }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
321 /*public*/ boolean isClosed() {
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
322 return closed;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
323 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
324 public List<Nodeid> getHeads() {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
325 return heads;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
326 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
327 // public Nodeid getTip() {
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
328 // }
236
883300108179 Speed up branches calculation when cached branch information is available
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 220
diff changeset
329 /*public*/ Nodeid getStart() {
220
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
330 // first node where branch appears
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
331 return start;
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
332 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
333 }
8de327242aa0 Basic information about branches
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
334 }