Mercurial > jhg

annotate src/org/tmatesoft/hg/core/HgLogCommand.java @ 509:a30e74dca193

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Establish parent-child between first and last elements of history chunks for two renamed files
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 13 Dec 2012 13:18:35 +0100
parents ca5202afea90
children 90093ee56c0d
rev   line source
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1 /*
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2 s * Copyright (c) 2011-2012 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.core;
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18
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19 import static org.tmatesoft.hg.repo.HgRepository.TIP;
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20 import static org.tmatesoft.hg.util.LogFacility.Severity.Error;
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21
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22 import java.util.ArrayList;
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23 import java.util.Arrays;
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24 import java.util.Calendar;
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25 import java.util.Collection;
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26 import java.util.Collections;
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27 import java.util.ConcurrentModificationException;
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28 import java.util.LinkedList;
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29 import java.util.List;
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30 import java.util.Set;
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31 import java.util.TreeSet;
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32
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33 import org.tmatesoft.hg.internal.IntMap;
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34 import org.tmatesoft.hg.internal.IntVector;
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35 import org.tmatesoft.hg.repo.HgChangelog;
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36 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
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37 import org.tmatesoft.hg.repo.HgDataFile;
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38 import org.tmatesoft.hg.repo.HgInvalidControlFileException;
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39 import org.tmatesoft.hg.repo.HgInvalidRevisionException;
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40 import org.tmatesoft.hg.repo.HgInvalidStateException;
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41 import org.tmatesoft.hg.repo.HgParentChildMap;
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42 import org.tmatesoft.hg.repo.HgRepository;
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43 import org.tmatesoft.hg.repo.HgRuntimeException;
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44 import org.tmatesoft.hg.repo.HgStatusCollector;
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45 import org.tmatesoft.hg.util.CancelSupport;
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46 import org.tmatesoft.hg.util.CancelledException;
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47 import org.tmatesoft.hg.util.Pair;
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48 import org.tmatesoft.hg.util.Path;
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49 import org.tmatesoft.hg.util.ProgressSupport;
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52 /**
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53 * Access to changelog, 'hg log' command counterpart.
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54 *
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55 * <pre>
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56 * Usage:
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57 * new LogCommand().limit(20).branch("maintenance-2.1").user("me").execute(new MyHandler());
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58 * </pre>
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59 * Not thread-safe (each thread has to use own {@link HgLogCommand} instance).
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60 *
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61 * @author Artem Tikhomirov
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62 * @author TMate Software Ltd.
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63 */
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64 public class HgLogCommand extends HgAbstractCommand<HgLogCommand> implements HgChangelog.Inspector {
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66 private final HgRepository repo;
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67 private Set<String> users;
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68 private Set<String> branches;
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69 private int limit = 0, count = 0;
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70 private int startRev = 0, endRev = TIP;
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71 private Calendar date;
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72 private Path file;
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73 private boolean followHistory; // makes sense only when file != null
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74 private ChangesetTransformer csetTransform;
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75 private HgParentChildMap<HgChangelog> parentHelper;
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76
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77 public HgLogCommand(HgRepository hgRepo) {
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78 repo = hgRepo;
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79 }
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81 /**
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82 * Limit search to specified user. Multiple user names may be specified. Once set, user names can't be
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83 * cleared, use new command instance in such cases.
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84 * @param user - full or partial name of the user, case-insensitive, non-null.
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85 * @return <code>this</code> instance for convenience
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86 * @throws IllegalArgumentException when argument is null
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87 */
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88 public HgLogCommand user(String user) {
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89 if (user == null) {
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90 throw new IllegalArgumentException();
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91 }
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92 if (users == null) {
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93 users = new TreeSet<String>();
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94 }
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95 users.add(user.toLowerCase());
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96 return this;
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97 }
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99 /**
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100 * Limit search to specified branch. Multiple branch specification possible (changeset from any of these
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101 * would be included in result). If unspecified, all branches are considered. There's no way to clean branch selection
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102 * once set, create fresh new command instead.
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103 * @param branch - branch name, case-sensitive, non-null.
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104 * @return <code>this</code> instance for convenience
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105 * @throws IllegalArgumentException when branch argument is null
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106 */
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107 public HgLogCommand branch(String branch) {
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108 if (branch == null) {
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109 throw new IllegalArgumentException();
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110 }
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111 if (branches == null) {
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112 branches = new TreeSet<String>();
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113 }
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114 branches.add(branch);
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115 return this;
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116 }
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117
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118 // limit search to specific date
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119 // multiple?
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120 public HgLogCommand date(Calendar date) {
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121 this.date = date;
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122 // TODO post-1.0 implement
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123 // isSet(field) - false => don't use in detection of 'same date'
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124 throw HgRepository.notImplemented();
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125 }
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126
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127 /**
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128 *
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129 * @param num - number of changeset to produce. Pass 0 to clear the limit.
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130 * @return <code>this</code> instance for convenience
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131 */
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132 public HgLogCommand limit(int num) {
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133 limit = num;
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134 return this;
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135 }
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136
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137 /**
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138 * Limit to specified subset of Changelog, [min(rev1,rev2), max(rev1,rev2)], inclusive.
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139 * Revision may be specified with {@link HgRepository#TIP}
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140 *
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141 * @param rev1 - local index of start changeset revision
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142 * @param rev2 - index of end changeset revision
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143 * @return <code>this</code> instance for convenience
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144 */
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145 public HgLogCommand range(int rev1, int rev2) {
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146 if (rev1 != TIP && rev2 != TIP) {
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147 startRev = rev2 < rev1 ? rev2 : rev1;
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148 endRev = startRev == rev2 ? rev1 : rev2;
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149 } else if (rev1 == TIP && rev2 != TIP) {
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150 startRev = rev2;
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151 endRev = rev1;
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152 } else {
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153 startRev = rev1;
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154 endRev = rev2;
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155 }
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156 return this;
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157 }
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158
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159 /**
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160 * Select specific changeset
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161 *
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162 * @param nid changeset revision
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163 * @return <code>this</code> for convenience
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164 * @throws HgBadArgumentException if failed to find supplied changeset revision
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165 */
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166 public HgLogCommand changeset(Nodeid nid) throws HgBadArgumentException {
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167 // XXX perhaps, shall support multiple (...) arguments and extend #execute to handle not only range, but also set of revisions.
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168 try {
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169 final int csetRevIndex = repo.getChangelog().getRevisionIndex(nid);
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170 return range(csetRevIndex, csetRevIndex);
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171 } catch (HgInvalidRevisionException ex) {
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172 throw new HgBadArgumentException("Can't find revision", ex).setRevision(nid);
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173 }
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174 }
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175
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176 /**
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177 * Visit history of a given file only.
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178 * @param file path relative to repository root. Pass <code>null</code> to reset.
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179 * @param followCopyRename true to report changesets of the original file(-s), if copy/rename ever occured to the file.
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180 */
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181 public HgLogCommand file(Path file, boolean followCopyRename) {
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182 // multiple? Bad idea, would need to include extra method into Handler to tell start of next file
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183 this.file = file;
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184 followHistory = followCopyRename;
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185 return this;
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186 }
142
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187
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188 /**
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189 * Handy analog of {@link #file(Path, boolean)} when clients' paths come from filesystem and need conversion to repository's
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190 */
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191 public HgLogCommand file(String file, boolean followCopyRename) {
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192 return file(Path.create(repo.getToRepoPathHelper().rewrite(file)), followCopyRename);
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193 }
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194
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195 /**
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196 * Similar to {@link #execute(HgChangesetHandler)}, collects and return result as a list.
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197 *
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198 * @see #execute(HgChangesetHandler)
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199 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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200 */
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201 public List<HgChangeset> execute() throws HgException {
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202 CollectHandler collector = new CollectHandler();
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203 try {
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204 execute(collector);
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205 } catch (HgCallbackTargetException ex) {
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206 // see below for CanceledException
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207 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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208 t.initCause(ex);
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209 throw t;
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210 } catch (CancelledException ex) {
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211 // can't happen as long as our CollectHandler doesn't throw any exception
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212 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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213 t.initCause(ex);
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214 throw t;
215
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215 }
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216 return collector.getChanges();
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217 }
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219 /**
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220 * Iterate over range of changesets configured in the command.
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221 *
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222 * @param handler callback to process changesets.
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223 * @throws HgCallbackTargetException propagated exception from the handler
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224 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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225 * @throws CancelledException if execution of the command was cancelled
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226 * @throws IllegalArgumentException when inspector argument is null
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227 * @throws ConcurrentModificationException if this log command instance is already running
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228 */
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229 public void execute(HgChangesetHandler handler) throws HgCallbackTargetException, HgException, CancelledException {
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230 if (handler == null) {
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231 throw new IllegalArgumentException();
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232 }
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233 if (csetTransform != null) {
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234 throw new ConcurrentModificationException();
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235 }
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236 final ProgressSupport progressHelper = getProgressSupport(handler);
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237 try {
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238 count = 0;
432
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239 HgParentChildMap<HgChangelog> pw = getParentHelper(file == null); // leave it uninitialized unless we iterate whole repo
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240 // ChangesetTransfrom creates a blank PathPool, and #file(String, boolean) above
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241 // may utilize it as well. CommandContext? How about StatusCollector there as well?
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242 csetTransform = new ChangesetTransformer(repo, handler, pw, progressHelper, getCancelSupport(handler, true));
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243 if (file == null) {
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244 progressHelper.start(endRev - startRev + 1);
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245 repo.getChangelog().range(startRev, endRev, this);
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246 csetTransform.checkFailure();
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247 } else {
215
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248 progressHelper.start(-1/*XXX enum const, or a dedicated method startUnspecified(). How about startAtLeast(int)?*/);
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249 HgDataFile fileNode = repo.getFileNode(file);
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250 if (!fileNode.exists()) {
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251 throw new HgPathNotFoundException(String.format("File %s not found in the repository", file), file);
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252 }
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253 // FIXME startRev and endRev ARE CHANGESET REVISIONS, not that of FILE!!!
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254 fileNode.history(startRev, endRev, this);
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255 csetTransform.checkFailure();
126
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256 if (fileNode.isCopy()) {
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257 // even if we do not follow history, report file rename
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258 do {
427
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259 if (handler instanceof HgChangesetHandler.WithCopyHistory) {
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260 HgFileRevision src = new HgFileRevision(repo, fileNode.getCopySourceRevision(), null, fileNode.getCopySourceName());
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261 HgFileRevision dst = new HgFileRevision(repo, fileNode.getRevision(0), null, fileNode.getPath(), src.getPath());
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262 ((HgChangesetHandler.WithCopyHistory) handler).copy(src, dst);
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263 }
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264 if (limit > 0 && count >= limit) {
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265 // if limit reach, follow is useless.
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266 break;
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267 }
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268 if (followHistory) {
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269 fileNode = repo.getFileNode(fileNode.getCopySourceName());
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270 fileNode.history(this);
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271 csetTransform.checkFailure();
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272 }
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273 } while (followHistory && fileNode.isCopy());
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274 }
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275 }
427
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276 } catch (HgRuntimeException ex) {
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277 throw new HgLibraryFailureException(ex);
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278 } finally {
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279 csetTransform = null;
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280 progressHelper.done();
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281 }
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282 }
328
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283
370
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284 /**
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285 * Tree-wise iteration of a file history, with handy access to parent-child relations between changesets.
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286 *
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287 * @param handler callback to process changesets.
427
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288 * @throws HgCallbackTargetException propagated exception from the handler
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289 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
380
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290 * @throws CancelledException if execution of the command was cancelled
402
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291 * @throws IllegalArgumentException if command is not satisfied with its arguments
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292 * @throws ConcurrentModificationException if this log command instance is already running
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293 */
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294 public void execute(HgChangesetTreeHandler handler) throws HgCallbackTargetException, HgException, CancelledException {
328
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295 if (handler == null) {
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296 throw new IllegalArgumentException();
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297 }
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298 if (csetTransform != null) {
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299 throw new ConcurrentModificationException();
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300 }
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301 if (file == null) {
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302 throw new IllegalArgumentException("History tree is supported for files only (at least now), please specify file");
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303 }
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304 final ProgressSupport progressHelper = getProgressSupport(handler);
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305 final CancelSupport cancelHelper = getCancelSupport(handler, true);
507
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306
508
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307 // builds tree of nodes according to parents in file's revlog
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308 final TreeBuildInspector treeBuildInspector = new TreeBuildInspector(followHistory);
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309 // we iterate separate histories of each filename, need to connect
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310 // last node of historyA with first node of historyB (A renamed to B case)
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311 // to make overall history smooth.
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312 HistoryNode lastFromPrevIteration = null;
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313
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314 final int CACHE_CSET_IN_ADVANCE_THRESHOLD = 100; /* XXX is it really worth it? */
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315 ElementImpl ei = null;
508
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316
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317 // most recent file is first in the queue
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318 LinkedList<Pair<HgDataFile, Nodeid>> fileRenamesQueue = buildFileRenamesQueue();
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319 progressHelper.start(4 * fileRenamesQueue.size());
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320 do {
508
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321 // to maintain iteration order from older to newer, take oldest name (in case of renames) first
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322 Pair<HgDataFile, Nodeid> renameInfo = fileRenamesQueue.removeLast();
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323 cancelHelper.checkCancelled();
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324 HgDataFile fileNode = renameInfo.first();
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325 Nodeid fileLastRevToVisit = null;
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326 if (followHistory) {
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327 fileLastRevToVisit = renameInfo.second();
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328 if (fileLastRevToVisit == null) {
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329 // only recent file name should not have a changeset when rename has happened.
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330 assert fileRenamesQueue.isEmpty();
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331 // TODO subject to dedicated method either in HgRepository (getWorkingCopyParentRevisionIndex)
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332 // or in the HgDataFile (getWorkingCopyOriginRevision)
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333 Nodeid wdParentChangeset = repo.getWorkingCopyParents().first();
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334 if (!wdParentChangeset.isNull()) {
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335 int wdParentRevIndex = repo.getChangelog().getRevisionIndex(wdParentChangeset);
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336 fileLastRevToVisit = repo.getManifest().getFileRevision(wdParentRevIndex, fileNode.getPath());
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337 }
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338 // else fall-through, assume lastRevision() is ok here
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339 }
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340 }
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341 int fileLastRevIndexToVisit = fileLastRevToVisit == null ? fileNode.getLastRevision() : fileNode.getRevisionIndex(fileLastRevToVisit);
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342 final List<HistoryNode> changeHistory = treeBuildInspector.go(fileNode, fileLastRevIndexToVisit);
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343 assert changeHistory.size() > 0;
328
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344 progressHelper.worked(1);
423
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345 cancelHelper.checkCancelled();
507
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346 final ProgressSupport ph2;
509
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347 if (ei == null) {
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348 // when follow is true, changeHistory.size() of the first revision might be quite short
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349 // (e.g. bad fname recognized soon), hence ensure at least cache size at once
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350 ei = new ElementImpl(Math.max(CACHE_CSET_IN_ADVANCE_THRESHOLD, changeHistory.size()));
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351 }
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352 if (changeHistory.size() < CACHE_CSET_IN_ADVANCE_THRESHOLD ) {
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353 int[] commitRevisions = treeBuildInspector.getCommitRevisions();
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354 assert changeHistory.size() == commitRevisions.length;
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355 // read bunch of changesets at once and cache 'em
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356 ei.initTransform();
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357 repo.getChangelog().range(ei, commitRevisions);
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358 progressHelper.worked(1);
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359 ph2 = new ProgressSupport.Sub(progressHelper, 2);
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360 } else {
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361 ph2 = new ProgressSupport.Sub(progressHelper, 3);
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362 }
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363 ph2.start(changeHistory.size());
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364 if (lastFromPrevIteration != null) {
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365 // forward, from old to new:
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366 lastFromPrevIteration.bindChild(changeHistory.get(0));
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367 changeHistory.add(0, lastFromPrevIteration);
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368 }
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369 if (!fileRenamesQueue.isEmpty()) {
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370 lastFromPrevIteration = changeHistory.remove(changeHistory.size()-1);
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371 } else {
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372 lastFromPrevIteration = null; // just for the sake of no references to old items
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373 }
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374 // XXX shall sort changeHistory according to changeset numbers?
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375 for (HistoryNode n : changeHistory) {
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376 handler.treeElement(ei.init(n));
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377 ph2.worked(1);
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378 cancelHelper.checkCancelled();
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379 }
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380 } while (!fileRenamesQueue.isEmpty());
328
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381 progressHelper.done();
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382 }
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383
507
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384 /**
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385 * Follows file renames and build a list of all corresponding file nodes and revisions they were
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386 * copied/renamed/branched at (IOW, their latest revision to look at).
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387 *
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388 * If {@link #followHistory} is <code>false</code>, the list contains one element only,
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389 * file node with the name of the file as it was specified by the user.
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390 *
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391 * For the most recent file revision is null.
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392 *
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393 * TODO may use HgFileRevision (after some refactoring to accept HgDataFile and Nodeid) instead of Pair
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394 * and possibly reuse this functionality
507
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395 *
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396 * @return list of file renames, with most recent file first
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397 */
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398 private LinkedList<Pair<HgDataFile, Nodeid>> buildFileRenamesQueue() {
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399 LinkedList<Pair<HgDataFile, Nodeid>> rv = new LinkedList<Pair<HgDataFile, Nodeid>>();
507
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400 if (!followHistory) {
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401 rv.add(new Pair<HgDataFile, Nodeid>(repo.getFileNode(file), null));
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402 return rv;
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403 }
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404 Path fp = file;
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405 Nodeid copyRev = null;
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406 boolean isCopy;
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407 do {
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408 HgDataFile fileNode = repo.getFileNode(fp);
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409 rv.addLast(new Pair<HgDataFile, Nodeid>(fileNode, copyRev));
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410 if (isCopy = fileNode.isCopy()) {
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411 fp = fileNode.getCopySourceName();
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412 copyRev = fileNode.getCopySourceRevision();
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413 }
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414 } while (isCopy);
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415 return rv;
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416 }
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417
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418 private static class TreeBuildInspector implements HgChangelog.ParentInspector, HgChangelog.RevisionInspector {
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419 private final boolean followAncestry;
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420
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421 private HistoryNode[] completeHistory;
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422 private int[] commitRevisions;
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423 private List<HistoryNode> resultHistory;
508
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424
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425 TreeBuildInspector(boolean _followAncestry) {
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426 followAncestry = _followAncestry;
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427 }
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428
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429 public void next(int revisionNumber, Nodeid revision, int linkedRevision) {
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430 commitRevisions[revisionNumber] = linkedRevision;
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431 }
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432
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433 public void next(int revisionNumber, Nodeid revision, int parent1, int parent2, Nodeid nidParent1, Nodeid nidParent2) {
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434 HistoryNode p1 = null, p2 = null;
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435 if (parent1 != -1) {
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436 p1 = completeHistory[parent1];
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437 }
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438 if (parent2!= -1) {
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439 p2 = completeHistory[parent2];
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440 }
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441 completeHistory[revisionNumber] = new HistoryNode(commitRevisions[revisionNumber], revision, p1, p2);
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442 }
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443
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444 /**
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445 * Builds history of file changes (in natural order, from oldest to newest) up to (and including) file revision specified.
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446 * If {@link TreeBuildInspector} follows ancestry, only elements that are on the line of ancestry of the revision at
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447 * lastRevisionIndex would be included.
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448 *
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449 * @return list of history elements, from oldest to newest. In case {@link #followAncestry} is <code>true</code>, the list
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450 * is modifiable (to further augment with last/first elements of renamed file histories)
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451 */
509
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452 List<HistoryNode> go(HgDataFile fileNode, int lastRevisionIndex) throws HgInvalidControlFileException {
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453 resultHistory = null;
508
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454 completeHistory = new HistoryNode[lastRevisionIndex+1];
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455 commitRevisions = new int[completeHistory.length];
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456 fileNode.indexWalk(0, lastRevisionIndex, this);
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457 if (!followAncestry) {
509
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458 // in case when ancestor not followed, it's safe to return unmodifiable list
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459 resultHistory = Arrays.asList(completeHistory);
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460 completeHistory = null;
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461 // keep commitRevisions initialized, no need to recalculate them
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462 // as they correspond 1:1 to resultHistory
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463 return resultHistory;
508
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464 }
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465 /*
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466 * Changesets, newest at the top:
508
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
467 * o <-- cset from working dir parent (as in dirstate), file not changed (file revision recorded points to that from A)
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
468 * | x <-- revision with file changed (B')
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
469 * x / <-- revision with file changed (A)
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
470 * | x <-- revision with file changed (B)
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
471 * |/
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
472 * o <-- another changeset, where file wasn't changed
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
473 * |
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
474 * x <-- revision with file changed (C)
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
475 *
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
476 * File history: B', A, B, C
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
477 *
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
478 * When "follow", SHALL NOT report B and B', but A and C
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
479 */
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
480 // strippedHistory: only those HistoryNodes from completeHistory that are on the same
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
481 // line of descendant, in order from older to newer
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
482 LinkedList<HistoryNode> strippedHistoryList = new LinkedList<HistoryNode>();
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
483 LinkedList<HistoryNode> queue = new LinkedList<HistoryNode>();
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
484 // look for ancestors of the selected history node
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
485 queue.add(completeHistory[lastRevisionIndex]);
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
486 do {
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parents: 507
diff changeset
487 HistoryNode withFileChange = queue.removeFirst();
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parents: 507
diff changeset
488 if (withFileChange.children != null) {
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
489 withFileChange.children.retainAll(strippedHistoryList);
ca5202afea90 Support follow history option when walking file history tree
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diff changeset
490 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
491 strippedHistoryList.addFirst(withFileChange);
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
492 if (withFileChange.parent1 != null) {
ca5202afea90 Support follow history option when walking file history tree
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diff changeset
493 queue.addLast(withFileChange.parent1);
ca5202afea90 Support follow history option when walking file history tree
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diff changeset
494 }
ca5202afea90 Support follow history option when walking file history tree
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diff changeset
495 if (withFileChange.parent2 != null) {
ca5202afea90 Support follow history option when walking file history tree
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diff changeset
496 queue.addLast(withFileChange.parent2);
ca5202afea90 Support follow history option when walking file history tree
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diff changeset
497 }
ca5202afea90 Support follow history option when walking file history tree
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diff changeset
498 } while (!queue.isEmpty());
ca5202afea90 Support follow history option when walking file history tree
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diff changeset
499 completeHistory = null;
ca5202afea90 Support follow history option when walking file history tree
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diff changeset
500 commitRevisions = null;
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
501 // collected values are no longer valid - shall
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
502 // strip off elements for missing HistoryNodes, but it's easier just to re-create the array
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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parents: 508
diff changeset
503 // from resultHistory later, once (and if) needed
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parents: 508
diff changeset
504 return resultHistory = strippedHistoryList;
508
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parents: 507
diff changeset
505 }
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
506
ca5202afea90 Support follow history option when walking file history tree
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diff changeset
507 /**
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
508 * handy access to all HistoryNode[i].changeset values
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
509 */
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
510 int[] getCommitRevisions() {
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
511 if (commitRevisions == null) {
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
512 commitRevisions = new int[resultHistory.size()];
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
513 int i = 0;
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
514 for (HistoryNode n : resultHistory) {
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
515 commitRevisions[i++] = n.changeset;
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
516 }
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
517 }
508
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
518 return commitRevisions;
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
519 }
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
520 };
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
521
507
a6435c1a42d0 Test for HgChangesetTreeHandler - make sure nothing is broken prior to adding --follow support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 490
diff changeset
522
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
523 //
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
524
154
ba2bf656f00f Changeset => RawChangeset
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
525 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
526 if (limit > 0 && count >= limit) {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
527 return;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
528 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
529 if (branches != null && !branches.contains(cset.branch())) {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
530 return;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
531 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
532 if (users != null) {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
533 String csetUser = cset.user().toLowerCase();
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
534 boolean found = false;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
535 for (String u : users) {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
536 if (csetUser.indexOf(u) != -1) {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
537 found = true;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
538 break;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
539 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
540 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
541 if (!found) {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
542 return;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
543 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
544 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
545 if (date != null) {
418
528b6780a8bd A bit of FIXME cleanup (mostly degraded to TODO post 1.0), comments and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 415
diff changeset
546 // TODO post-1.0 implement date support for log
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
547 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
548 count++;
193
37f3d4a596e4 Use common low to hi-level changeset api transformer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
549 csetTransform.next(revisionNumber, nodeid, cset);
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
550 }
195
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
551
432
1fc0da631200 Revlog.ParentWalker helper class got promoted as TLC, renamed to HgParentChildMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 431
diff changeset
552 private HgParentChildMap<HgChangelog> getParentHelper(boolean create) throws HgInvalidControlFileException {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
553 if (parentHelper == null && create) {
432
1fc0da631200 Revlog.ParentWalker helper class got promoted as TLC, renamed to HgParentChildMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 431
diff changeset
554 parentHelper = new HgParentChildMap<HgChangelog>(repo.getChangelog());
195
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
555 parentHelper.init();
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
556 }
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
557 return parentHelper;
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
558 }
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 193
diff changeset
559
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
560
205
ffc5f6d59f7e HgLogCommand.Handler is used in few places, pull up to top-level class, HgChangesetHandler
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 195
diff changeset
561 public static class CollectHandler implements HgChangesetHandler {
129
645829962785 core.Cset renamed to HgChangeset; repo.Changeset moved into HgChangelog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 126
diff changeset
562 private final List<HgChangeset> result = new LinkedList<HgChangeset>();
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
563
129
645829962785 core.Cset renamed to HgChangeset; repo.Changeset moved into HgChangelog
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 126
diff changeset
564 public List<HgChangeset> getChanges() {
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
565 return Collections.unmodifiableList(result);
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
566 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
567
427
31a89587eb04 FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 424
diff changeset
568 public void cset(HgChangeset changeset) {
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
569 result.add(changeset.clone());
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
570 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
571 }
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
572
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
573 private static class HistoryNode {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
574 final int changeset;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
575 final Nodeid fileRevision;
509
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
576 HistoryNode parent1; // there's special case when we can alter it, see #bindChild()
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 508
diff changeset
577 final HistoryNode parent2;
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
578 List<HistoryNode> children;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
579
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
580 HistoryNode(int cs, Nodeid revision, HistoryNode p1, HistoryNode p2) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
581 changeset = cs;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
582 fileRevision = revision;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
583 parent1 = p1;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
584 parent2 = p2;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
585 if (p1 != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
586 p1.addChild(this);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
587 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
588 if (p2 != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
589 p2.addChild(this);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
590 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
591 }
a674b8590362 Move file tree history to upper API level
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592
509
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593 private void addChild(HistoryNode child) {
328
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594 if (children == null) {
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595 children = new ArrayList<HistoryNode>(2);
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596 }
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597 children.add(child);
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598 }
509
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diff changeset
599
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diff changeset
600 /**
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diff changeset
601 * method to merge two history chunks for renamed file so that
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602 * this node's history continues with that of child
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diff changeset
603 * @param child
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diff changeset
604 */
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diff changeset
605 public void bindChild(HistoryNode child) {
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diff changeset
606 assert child.parent1 == null && child.parent2 == null;
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parents: 508
diff changeset
607 // for the last element in history empty children are by construction:
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parents: 508
diff changeset
608 // we don't iterate further than last element of interest in TreeBuildInspector#go
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diff changeset
609 assert children == null || children.isEmpty();
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diff changeset
610 child.parent1 = this;
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diff changeset
611 addChild(child);
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diff changeset
612 }
328
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613 }
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614
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615 private class ElementImpl implements HgChangesetTreeHandler.TreeElement, HgChangelog.Inspector {
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616 private HistoryNode historyNode;
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617 private Pair<HgChangeset, HgChangeset> parents;
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618 private List<HgChangeset> children;
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619 private IntMap<HgChangeset> cachedChangesets;
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620 private ChangesetTransformer.Transformation transform;
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621 private Nodeid changesetRevision;
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622 private Pair<Nodeid,Nodeid> parentRevisions;
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623 private List<Nodeid> childRevisions;
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624
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625 public ElementImpl(int total) {
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626 cachedChangesets = new IntMap<HgChangeset>(total);
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627 }
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628
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629 ElementImpl init(HistoryNode n) {
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diff changeset
630 historyNode = n;
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diff changeset
631 parents = null;
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632 children = null;
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633 changesetRevision = null;
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diff changeset
634 parentRevisions = null;
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diff changeset
635 childRevisions = null;
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diff changeset
636 return this;
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diff changeset
637 }
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diff changeset
638
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diff changeset
639 public Nodeid fileRevision() {
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diff changeset
640 return historyNode.fileRevision;
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diff changeset
641 }
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diff changeset
642
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
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diff changeset
643 public HgChangeset changeset() {
328
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diff changeset
644 return get(historyNode.changeset)[0];
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diff changeset
645 }
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diff changeset
646
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
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parents: 419
diff changeset
647 public Pair<HgChangeset, HgChangeset> parents() {
328
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diff changeset
648 if (parents != null) {
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diff changeset
649 return parents;
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diff changeset
650 }
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diff changeset
651 HistoryNode p;
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diff changeset
652 final int p1, p2;
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diff changeset
653 if ((p = historyNode.parent1) != null) {
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diff changeset
654 p1 = p.changeset;
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diff changeset
655 } else {
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diff changeset
656 p1 = -1;
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657 }
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diff changeset
658 if ((p = historyNode.parent2) != null) {
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diff changeset
659 p2 = p.changeset;
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660 } else {
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diff changeset
661 p2 = -1;
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662 }
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diff changeset
663 HgChangeset[] r = get(p1, p2);
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diff changeset
664 return parents = new Pair<HgChangeset, HgChangeset>(r[0], r[1]);
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diff changeset
665 }
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diff changeset
666
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
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diff changeset
667 public Collection<HgChangeset> children() {
328
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diff changeset
668 if (children != null) {
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diff changeset
669 return children;
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diff changeset
670 }
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diff changeset
671 if (historyNode.children == null) {
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diff changeset
672 children = Collections.emptyList();
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diff changeset
673 } else {
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diff changeset
674 int[] childrentChangesetNumbers = new int[historyNode.children.size()];
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diff changeset
675 int j = 0;
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diff changeset
676 for (HistoryNode hn : historyNode.children) {
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diff changeset
677 childrentChangesetNumbers[j++] = hn.changeset;
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diff changeset
678 }
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diff changeset
679 children = Arrays.asList(get(childrentChangesetNumbers));
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diff changeset
680 }
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diff changeset
681 return children;
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parents: 322
diff changeset
682 }
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diff changeset
683
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diff changeset
684 void populate(HgChangeset cs) {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
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parents: 402
diff changeset
685 cachedChangesets.put(cs.getRevisionIndex(), cs);
328
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diff changeset
686 }
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diff changeset
687
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
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parents: 419
diff changeset
688 private HgChangeset[] get(int... changelogRevisionIndex) {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
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parents: 402
diff changeset
689 HgChangeset[] rv = new HgChangeset[changelogRevisionIndex.length];
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
690 IntVector misses = new IntVector(changelogRevisionIndex.length, -1);
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
691 for (int i = 0; i < changelogRevisionIndex.length; i++) {
2747b0723867 FIXMEs: work on exceptions and javadoc
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parents: 402
diff changeset
692 if (changelogRevisionIndex[i] == -1) {
328
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diff changeset
693 rv[i] = null;
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diff changeset
694 continue;
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diff changeset
695 }
403
2747b0723867 FIXMEs: work on exceptions and javadoc
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diff changeset
696 HgChangeset cached = cachedChangesets.get(changelogRevisionIndex[i]);
328
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diff changeset
697 if (cached != null) {
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diff changeset
698 rv[i] = cached;
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diff changeset
699 } else {
403
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diff changeset
700 misses.add(changelogRevisionIndex[i]);
328
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diff changeset
701 }
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diff changeset
702 }
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diff changeset
703 if (misses.size() > 0) {
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diff changeset
704 final int[] changesets2read = misses.toArray();
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diff changeset
705 initTransform();
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diff changeset
706 repo.getChangelog().range(this, changesets2read);
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diff changeset
707 for (int changeset2read : changesets2read) {
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diff changeset
708 HgChangeset cs = cachedChangesets.get(changeset2read);
403
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parents: 402
diff changeset
709 if (cs == null) {
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: 419
diff changeset
710 HgInvalidStateException t = new HgInvalidStateException(String.format("Can't get changeset for revision %d", changeset2read));
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
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parents: 419
diff changeset
711 throw t.setRevisionIndex(changeset2read);
403
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parents: 402
diff changeset
712 }
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parents: 402
diff changeset
713 // HgChangelog.range may reorder changesets according to their order in the changelog
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parents: 402
diff changeset
714 // thus need to find original index
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
715 boolean sanity = false;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
716 for (int i = 0; i < changelogRevisionIndex.length; i++) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
717 if (changelogRevisionIndex[i] == cs.getRevisionIndex()) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
718 rv[i] = cs;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
719 sanity = true;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
720 break;
328
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diff changeset
721 }
403
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parents: 402
diff changeset
722 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
723 if (!sanity) {
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: 457
diff changeset
724 repo.getSessionContext().getLog().dump(getClass(), Error, "Index of revision %d:%s doesn't match any of requested", cs.getRevisionIndex(), cs.getNodeid().shortNotation());
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
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725 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
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726 assert sanity;
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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727 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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728 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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729 return rv;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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730 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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731
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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732 // init only when needed
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: 419
diff changeset
733 void initTransform() throws HgRuntimeException {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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734 if (transform == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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735 transform = new ChangesetTransformer.Transformation(new HgStatusCollector(repo)/*XXX try to reuse from context?*/, getParentHelper(false));
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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736 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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737 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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738
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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739 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
740 HgChangeset cs = transform.handle(revisionNumber, nodeid, cset);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
741 populate(cs.clone());
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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742 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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743
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: 419
diff changeset
744 public Nodeid changesetRevision() {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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745 if (changesetRevision == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
746 changesetRevision = getRevision(historyNode.changeset);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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747 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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748 return changesetRevision;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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749 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
750
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: 419
diff changeset
751 public Pair<Nodeid, Nodeid> parentRevisions() {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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752 if (parentRevisions == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
753 HistoryNode p;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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754 final Nodeid p1, p2;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
755 if ((p = historyNode.parent1) != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
756 p1 = getRevision(p.changeset);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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757 } else {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
758 p1 = Nodeid.NULL;;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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759 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
760 if ((p = historyNode.parent2) != null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
761 p2 = getRevision(p.changeset);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
762 } else {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
763 p2 = Nodeid.NULL;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
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764 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
765 parentRevisions = new Pair<Nodeid, Nodeid>(p1, p2);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
766 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
767 return parentRevisions;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
768 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
769
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: 419
diff changeset
770 public Collection<Nodeid> childRevisions() {
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
771 if (childRevisions != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
772 return childRevisions;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
773 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
774 if (historyNode.children == null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
775 childRevisions = Collections.emptyList();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
776 } else {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
777 ArrayList<Nodeid> rv = new ArrayList<Nodeid>(historyNode.children.size());
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
778 for (HistoryNode hn : historyNode.children) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
779 rv.add(getRevision(hn.changeset));
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
780 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
781 childRevisions = Collections.unmodifiableList(rv);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
782 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
783 return childRevisions;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
784 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
785
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
786 // reading nodeid involves reading index only, guess, can afford not to optimize multiple reads
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: 419
diff changeset
787 private Nodeid getRevision(int changelogRevisionNumber) {
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: 419
diff changeset
788 // TODO post-1.0 pipe through pool
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
789 HgChangeset cs = cachedChangesets.get(changelogRevisionNumber);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
790 if (cs != null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
791 return cs.getNodeid();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
792 } else {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
793 return repo.getChangelog().getRevision(changelogRevisionNumber);
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
794 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
795 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
796 }
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
797 }