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annotate src/org/tmatesoft/hg/core/HgLogCommand.java @ 424:6437d261048a

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Deprecated code removed
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 28 Mar 2012 15:42:15 +0200
parents 9c9c442b5f2e
children 31a89587eb04
rev   line source
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1 /*
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2 * 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
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21 import java.util.ArrayList;
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22 import java.util.Arrays;
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23 import java.util.Calendar;
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24 import java.util.Collection;
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25 import java.util.Collections;
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26 import java.util.ConcurrentModificationException;
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27 import java.util.LinkedList;
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28 import java.util.List;
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29 import java.util.Set;
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30 import java.util.TreeSet;
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31
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32 import org.tmatesoft.hg.internal.IntMap;
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33 import org.tmatesoft.hg.internal.IntVector;
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34 import org.tmatesoft.hg.repo.HgChangelog;
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35 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
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36 import org.tmatesoft.hg.repo.HgDataFile;
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37 import org.tmatesoft.hg.repo.HgInternals;
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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.HgRepository;
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42 import org.tmatesoft.hg.repo.HgRuntimeException;
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43 import org.tmatesoft.hg.repo.HgStatusCollector;
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44 import org.tmatesoft.hg.util.CancelSupport;
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45 import org.tmatesoft.hg.util.CancelledException;
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46 import org.tmatesoft.hg.util.Pair;
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47 import org.tmatesoft.hg.util.Path;
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48 import org.tmatesoft.hg.util.ProgressSupport;
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51 /**
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52 * Access to changelog, 'hg log' command counterpart.
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53 *
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54 * <pre>
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55 * Usage:
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56 * new LogCommand().limit(20).branch("maintenance-2.1").user("me").execute(new MyHandler());
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57 * </pre>
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58 * Not thread-safe (each thread has to use own {@link HgLogCommand} instance).
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59 *
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60 * @author Artem Tikhomirov
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61 * @author TMate Software Ltd.
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62 */
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63 public class HgLogCommand extends HgAbstractCommand<HgLogCommand> implements HgChangelog.Inspector {
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65 private final HgRepository repo;
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66 private Set<String> users;
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67 private Set<String> branches;
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68 private int limit = 0, count = 0;
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69 private int startRev = 0, endRev = TIP;
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70 private Calendar date;
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71 private Path file;
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72 private boolean followHistory; // makes sense only when file != null
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73 private ChangesetTransformer csetTransform;
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74 private HgChangelog.ParentWalker parentHelper;
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75
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76 public HgLogCommand(HgRepository hgRepo) {
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77 repo = hgRepo;
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78 }
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80 /**
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81 * Limit search to specified user. Multiple user names may be specified. Once set, user names can't be
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82 * cleared, use new command instance in such cases.
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83 * @param user - full or partial name of the user, case-insensitive, non-null.
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84 * @return <code>this</code> instance for convenience
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85 * @throws IllegalArgumentException when argument is null
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86 */
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87 public HgLogCommand user(String user) {
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88 if (user == null) {
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89 throw new IllegalArgumentException();
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90 }
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91 if (users == null) {
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92 users = new TreeSet<String>();
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93 }
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94 users.add(user.toLowerCase());
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95 return this;
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96 }
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98 /**
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99 * Limit search to specified branch. Multiple branch specification possible (changeset from any of these
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100 * would be included in result). If unspecified, all branches are considered. There's no way to clean branch selection
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101 * once set, create fresh new command instead.
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102 * @param branch - branch name, case-sensitive, non-null.
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103 * @return <code>this</code> instance for convenience
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104 * @throws IllegalArgumentException when branch argument is null
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105 */
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106 public HgLogCommand branch(String branch) {
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107 if (branch == null) {
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108 throw new IllegalArgumentException();
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109 }
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110 if (branches == null) {
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111 branches = new TreeSet<String>();
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112 }
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113 branches.add(branch);
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114 return this;
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115 }
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116
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117 // limit search to specific date
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118 // multiple?
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119 public HgLogCommand date(Calendar date) {
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120 this.date = date;
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121 // TODO post-1.0 implement
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122 // isSet(field) - false => don't use in detection of 'same date'
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123 throw HgRepository.notImplemented();
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124 }
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125
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126 /**
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127 *
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128 * @param num - number of changeset to produce. Pass 0 to clear the limit.
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129 * @return <code>this</code> instance for convenience
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130 */
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131 public HgLogCommand limit(int num) {
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132 limit = num;
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133 return this;
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134 }
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135
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136 /**
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137 * Limit to specified subset of Changelog, [min(rev1,rev2), max(rev1,rev2)], inclusive.
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138 * Revision may be specified with {@link HgRepository#TIP}
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139 * @param rev1 - revision local index
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140 * @param rev2 - revision local index
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141 * @return <code>this</code> instance for convenience
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142 */
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143 public HgLogCommand range(int rev1, int rev2) {
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144 if (rev1 != TIP && rev2 != TIP) {
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145 startRev = rev2 < rev1 ? rev2 : rev1;
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146 endRev = startRev == rev2 ? rev1 : rev2;
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147 } else if (rev1 == TIP && rev2 != TIP) {
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148 startRev = rev2;
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149 endRev = rev1;
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150 } else {
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151 startRev = rev1;
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152 endRev = rev2;
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153 }
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154 return this;
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155 }
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156
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157 /**
253
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158 * Select specific changeset
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159 *
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160 * @param nid changeset revision
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161 * @return <code>this</code> for convenience
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162 * @throws HgInvalidRevisionException if supplied nodeid doesn't identify any revision from this revlog
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163 * @throws HgInvalidControlFileException if access to revlog index/data entry failed
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164 */
354
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165 public HgLogCommand changeset(Nodeid nid) throws HgInvalidControlFileException, HgInvalidRevisionException {
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166 // XXX perhaps, shall support multiple (...) arguments and extend #execute to handle not only range, but also set of revisions.
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167 final int csetRevIndex = repo.getChangelog().getRevisionIndex(nid);
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168 return range(csetRevIndex, csetRevIndex);
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169 }
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170
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171 /**
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172 * Visit history of a given file only.
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173 * @param file path relative to repository root. Pass <code>null</code> to reset.
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174 * @param followCopyRename true to report changesets of the original file(-s), if copy/rename ever occured to the file.
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175 */
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176 public HgLogCommand file(Path file, boolean followCopyRename) {
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177 // multiple? Bad idea, would need to include extra method into Handler to tell start of next file
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178 this.file = file;
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179 followHistory = followCopyRename;
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180 return this;
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181 }
142
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182
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183 /**
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184 * Handy analog of {@link #file(Path, boolean)} when clients' paths come from filesystem and need conversion to repository's
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185 */
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186 public HgLogCommand file(String file, boolean followCopyRename) {
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187 return file(Path.create(repo.getToRepoPathHelper().rewrite(file)), followCopyRename);
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188 }
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189
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190 /**
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191 * Similar to {@link #execute(HgChangesetHandler)}, collects and return result as a list.
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192 * @throws HgException FIXME EXCEPTIONS
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193 */
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194 public List<HgChangeset> execute() throws HgException {
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195 CollectHandler collector = new CollectHandler();
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196 try {
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197 execute(collector);
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198 } catch (HgCallbackTargetException ex) {
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199 // see below for CanceledException
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200 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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201 t.initCause(ex);
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202 throw t;
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203 } catch (CancelledException ex) {
215
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204 // can't happen as long as our CollectHandler doesn't throw any exception
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205 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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206 t.initCause(ex);
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207 throw t;
215
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208 }
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209 return collector.getChanges();
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210 }
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211
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212 /**
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213 * Iterate over range of changesets configured in the command.
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214 *
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215 * @param handler callback to process changesets.
423
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216 * @throws HgCallbackTargetException wrapper for any exception user callback code may produce
402
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217 * @throws HgInvalidControlFileException if access to revlog index/data entry failed
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218 * @throws HgException in case of some other library issue
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219 * @throws CancelledException if execution of the command was cancelled
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220 * @throws IllegalArgumentException when inspector argument is null
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221 * @throws ConcurrentModificationException if this log command instance is already running
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222 */
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223 public void execute(HgChangesetHandler handler) throws HgCallbackTargetException, HgException, CancelledException {
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224 if (handler == null) {
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225 throw new IllegalArgumentException();
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226 }
193
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227 if (csetTransform != null) {
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228 throw new ConcurrentModificationException();
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229 }
215
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230 final ProgressSupport progressHelper = getProgressSupport(handler);
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231 try {
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232 count = 0;
328
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233 HgChangelog.ParentWalker pw = getParentHelper(file == null); // leave it uninitialized unless we iterate whole repo
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234 // ChangesetTransfrom creates a blank PathPool, and #file(String, boolean) above
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235 // may utilize it as well. CommandContext? How about StatusCollector there as well?
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236 csetTransform = new ChangesetTransformer(repo, handler, pw, progressHelper, getCancelSupport(handler, true));
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237 if (file == null) {
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238 progressHelper.start(endRev - startRev + 1);
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239 repo.getChangelog().range(startRev, endRev, this);
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240 csetTransform.checkFailure();
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241 } else {
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242 progressHelper.start(-1/*XXX enum const, or a dedicated method startUnspecified(). How about startAtLeast(int)?*/);
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243 HgDataFile fileNode = repo.getFileNode(file);
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244 fileNode.history(startRev, endRev, this);
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245 csetTransform.checkFailure();
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246 if (fileNode.isCopy()) {
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247 // even if we do not follow history, report file rename
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248 do {
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249 if (handler instanceof FileHistoryHandler) {
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250 HgFileRevision src = new HgFileRevision(repo, fileNode.getCopySourceRevision(), null, fileNode.getCopySourceName());
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251 HgFileRevision dst = new HgFileRevision(repo, fileNode.getRevision(0), null, fileNode.getPath(), src.getPath());
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252 ((FileHistoryHandler) handler).copy(src, dst);
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253 }
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254 if (limit > 0 && count >= limit) {
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255 // if limit reach, follow is useless.
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256 break;
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257 }
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258 if (followHistory) {
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259 fileNode = repo.getFileNode(fileNode.getCopySourceName());
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260 fileNode.history(this);
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261 csetTransform.checkFailure();
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262 }
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263 } while (followHistory && fileNode.isCopy());
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264 }
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265 }
424
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266 // } catch (HgRuntimeException ex) {
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267 // FIXME wrap with checked HgRuntime subclass
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268 } finally {
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269 csetTransform = null;
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270 progressHelper.done();
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271 }
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272 }
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273
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274 /**
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275 * Tree-wise iteration of a file history, with handy access to parent-child relations between changesets.
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276 *
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277 * @param handler callback to process changesets.
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278 * @throws HgCallbackTargetException to re-throw exception from the handler
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279 * @throws HgInvalidControlFileException if access to revlog index/data entry failed
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280 * @throws HgException in case of some other library issue
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281 * @throws CancelledException if execution of the command was cancelled
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282 * @throws IllegalArgumentException if command is not satisfied with its arguments
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283 * @throws ConcurrentModificationException if this log command instance is already running
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284 */
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285 public void execute(HgChangesetTreeHandler handler) throws HgCallbackTargetException, HgException, CancelledException {
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286 if (handler == null) {
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287 throw new IllegalArgumentException();
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288 }
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289 if (csetTransform != null) {
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290 throw new ConcurrentModificationException();
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291 }
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292 if (file == null) {
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293 throw new IllegalArgumentException("History tree is supported for files only (at least now), please specify file");
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294 }
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295 if (followHistory) {
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296 throw new UnsupportedOperationException("Can't follow file history when building tree (yet?)");
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297 }
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298 class TreeBuildInspector implements HgChangelog.ParentInspector, HgChangelog.RevisionInspector {
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299 HistoryNode[] completeHistory;
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300 int[] commitRevisions;
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301
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302 public void next(int revisionNumber, Nodeid revision, int linkedRevision) {
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303 commitRevisions[revisionNumber] = linkedRevision;
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304 }
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305
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306 public void next(int revisionNumber, Nodeid revision, int parent1, int parent2, Nodeid nidParent1, Nodeid nidParent2) {
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307 HistoryNode p1 = null, p2 = null;
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308 if (parent1 != -1) {
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309 p1 = completeHistory[parent1];
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310 }
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311 if (parent2!= -1) {
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312 p2 = completeHistory[parent2];
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313 }
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314 completeHistory[revisionNumber] = new HistoryNode(commitRevisions[revisionNumber], revision, p1, p2);
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315 }
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316
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317 HistoryNode[] go(HgDataFile fileNode) throws HgInvalidControlFileException {
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318 completeHistory = new HistoryNode[fileNode.getRevisionCount()];
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319 commitRevisions = new int[completeHistory.length];
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320 fileNode.walk(0, TIP, this);
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321 return completeHistory;
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322 }
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323 };
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324 final ProgressSupport progressHelper = getProgressSupport(handler);
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325 progressHelper.start(4);
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326 final CancelSupport cancelHelper = getCancelSupport(handler, true);
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327 cancelHelper.checkCancelled();
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328 HgDataFile fileNode = repo.getFileNode(file);
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329 // build tree of nodes according to parents in file's revlog
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330 final TreeBuildInspector treeBuildInspector = new TreeBuildInspector();
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331 final HistoryNode[] completeHistory = treeBuildInspector.go(fileNode);
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332 progressHelper.worked(1);
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333 cancelHelper.checkCancelled();
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334 ElementImpl ei = new ElementImpl(treeBuildInspector.commitRevisions.length);
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335 final ProgressSupport ph2;
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336 if (treeBuildInspector.commitRevisions.length < 100 /*XXX is it really worth it? */) {
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337 ei.initTransform();
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338 repo.getChangelog().range(ei, treeBuildInspector.commitRevisions);
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339 progressHelper.worked(1);
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340 ph2 = new ProgressSupport.Sub(progressHelper, 2);
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341 } else {
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342 ph2 = new ProgressSupport.Sub(progressHelper, 3);
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343 }
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344 ph2.start(completeHistory.length);
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345 // XXX shall sort completeHistory according to changeset numbers?
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346 for (int i = 0; i < completeHistory.length; i++ ) {
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347 final HistoryNode n = completeHistory[i];
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348 handler.next(ei.init(n));
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349 ph2.worked(1);
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350 cancelHelper.checkCancelled();
328
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351 }
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352 progressHelper.done();
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353 }
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354
64
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355 //
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356
154
ba2bf656f00f Changeset => RawChangeset
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357 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
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358 if (limit > 0 && count >= limit) {
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359 return;
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360 }
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361 if (branches != null && !branches.contains(cset.branch())) {
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362 return;
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363 }
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364 if (users != null) {
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365 String csetUser = cset.user().toLowerCase();
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366 boolean found = false;
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367 for (String u : users) {
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368 if (csetUser.indexOf(u) != -1) {
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369 found = true;
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370 break;
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371 }
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372 }
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373 if (!found) {
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374 return;
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375 }
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376 }
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377 if (date != null) {
418
528b6780a8bd A bit of FIXME cleanup (mostly degraded to TODO post 1.0), comments and javadoc
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378 // TODO post-1.0 implement date support for log
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379 }
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380 count++;
193
37f3d4a596e4 Use common low to hi-level changeset api transformer
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381 csetTransform.next(revisionNumber, nodeid, cset);
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382 }
195
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383
366
189dc6dc1c3e Use exceptions to expose errors reading mercurial data
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384 private HgChangelog.ParentWalker getParentHelper(boolean create) throws HgInvalidControlFileException {
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385 if (parentHelper == null && create) {
195
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386 parentHelper = repo.getChangelog().new ParentWalker();
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387 parentHelper.init();
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388 }
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389 return parentHelper;
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390 }
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diff changeset
391
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392
205
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393 /**
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394 * When {@link HgLogCommand} is executed against file, handler passed to {@link HgLogCommand#execute(HgChangesetHandler)} may optionally
249
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395 * implement this interface to get information about file renames. Method {@link #copy(HgFileRevision, HgFileRevision)} would
129
645829962785 core.Cset renamed to HgChangeset; repo.Changeset moved into HgChangelog
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396 * get invoked prior any changeset of the original file (if file history being followed) is reported via {@link #next(HgChangeset)}.
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397 *
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398 * For {@link HgLogCommand#file(Path, boolean)} with renamed file path and follow argument set to false,
249
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diff changeset
399 * {@link #copy(HgFileRevision, HgFileRevision)} would be invoked for the first copy/rename in the history of the file, but not
80
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400 * followed by any changesets.
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401 *
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402 * @author Artem Tikhomirov
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403 * @author TMate Software Ltd.
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404 */
370
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405 public interface FileHistoryHandler extends HgChangesetHandler { // FIXME move to stanalone class file, perhaps?
80
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406 // XXX perhaps, should distinguish copy from rename? And what about merged revisions and following them?
370
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407 /**
423
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408 * @throws HgCallbackTargetException wrapper object for any exception user code may produce
370
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409 */
423
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diff changeset
410 void copy(HgFileRevision from, HgFileRevision to) throws HgCallbackTargetException;
80
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411 }
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412
205
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413 public static class CollectHandler implements HgChangesetHandler {
129
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414 private final List<HgChangeset> result = new LinkedList<HgChangeset>();
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415
129
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416 public List<HgChangeset> getChanges() {
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417 return Collections.unmodifiableList(result);
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418 }
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diff changeset
419
129
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420 public void next(HgChangeset changeset) {
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diff changeset
421 result.add(changeset.clone());
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diff changeset
422 }
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diff changeset
423 }
328
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diff changeset
424
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diff changeset
425 private static class HistoryNode {
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426 final int changeset;
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427 final Nodeid fileRevision;
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428 final HistoryNode parent1, parent2;
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429 List<HistoryNode> children;
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diff changeset
430
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diff changeset
431 HistoryNode(int cs, Nodeid revision, HistoryNode p1, HistoryNode p2) {
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diff changeset
432 changeset = cs;
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diff changeset
433 fileRevision = revision;
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diff changeset
434 parent1 = p1;
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diff changeset
435 parent2 = p2;
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diff changeset
436 if (p1 != null) {
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diff changeset
437 p1.addChild(this);
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diff changeset
438 }
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diff changeset
439 if (p2 != null) {
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diff changeset
440 p2.addChild(this);
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diff changeset
441 }
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diff changeset
442 }
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diff changeset
443
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diff changeset
444 void addChild(HistoryNode child) {
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diff changeset
445 if (children == null) {
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diff changeset
446 children = new ArrayList<HistoryNode>(2);
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diff changeset
447 }
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diff changeset
448 children.add(child);
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diff changeset
449 }
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diff changeset
450 }
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diff changeset
451
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diff changeset
452 private class ElementImpl implements HgChangesetTreeHandler.TreeElement, HgChangelog.Inspector {
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diff changeset
453 private HistoryNode historyNode;
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diff changeset
454 private Pair<HgChangeset, HgChangeset> parents;
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diff changeset
455 private List<HgChangeset> children;
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456 private IntMap<HgChangeset> cachedChangesets;
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diff changeset
457 private ChangesetTransformer.Transformation transform;
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diff changeset
458 private Nodeid changesetRevision;
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diff changeset
459 private Pair<Nodeid,Nodeid> parentRevisions;
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diff changeset
460 private List<Nodeid> childRevisions;
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diff changeset
461
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diff changeset
462 public ElementImpl(int total) {
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diff changeset
463 cachedChangesets = new IntMap<HgChangeset>(total);
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diff changeset
464 }
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diff changeset
465
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diff changeset
466 ElementImpl init(HistoryNode n) {
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diff changeset
467 historyNode = n;
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468 parents = null;
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469 children = null;
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470 changesetRevision = null;
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471 parentRevisions = null;
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472 childRevisions = null;
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473 return this;
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474 }
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475
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diff changeset
476 public Nodeid fileRevision() {
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diff changeset
477 return historyNode.fileRevision;
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diff changeset
478 }
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diff changeset
479
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
480 public HgChangeset changeset() {
328
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diff changeset
481 return get(historyNode.changeset)[0];
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parents: 322
diff changeset
482 }
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parents: 322
diff changeset
483
423
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parents: 419
diff changeset
484 public Pair<HgChangeset, HgChangeset> parents() {
328
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diff changeset
485 if (parents != null) {
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parents: 322
diff changeset
486 return parents;
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parents: 322
diff changeset
487 }
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diff changeset
488 HistoryNode p;
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diff changeset
489 final int p1, p2;
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diff changeset
490 if ((p = historyNode.parent1) != null) {
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diff changeset
491 p1 = p.changeset;
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parents: 322
diff changeset
492 } else {
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diff changeset
493 p1 = -1;
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diff changeset
494 }
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diff changeset
495 if ((p = historyNode.parent2) != null) {
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diff changeset
496 p2 = p.changeset;
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diff changeset
497 } else {
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diff changeset
498 p2 = -1;
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diff changeset
499 }
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diff changeset
500 HgChangeset[] r = get(p1, p2);
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diff changeset
501 return parents = new Pair<HgChangeset, HgChangeset>(r[0], r[1]);
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diff changeset
502 }
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parents: 322
diff changeset
503
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
504 public Collection<HgChangeset> children() {
328
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diff changeset
505 if (children != null) {
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diff changeset
506 return children;
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parents: 322
diff changeset
507 }
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parents: 322
diff changeset
508 if (historyNode.children == null) {
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parents: 322
diff changeset
509 children = Collections.emptyList();
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diff changeset
510 } else {
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diff changeset
511 int[] childrentChangesetNumbers = new int[historyNode.children.size()];
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diff changeset
512 int j = 0;
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diff changeset
513 for (HistoryNode hn : historyNode.children) {
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diff changeset
514 childrentChangesetNumbers[j++] = hn.changeset;
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parents: 322
diff changeset
515 }
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diff changeset
516 children = Arrays.asList(get(childrentChangesetNumbers));
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parents: 322
diff changeset
517 }
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parents: 322
diff changeset
518 return children;
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parents: 322
diff changeset
519 }
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parents: 322
diff changeset
520
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diff changeset
521 void populate(HgChangeset cs) {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
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parents: 402
diff changeset
522 cachedChangesets.put(cs.getRevisionIndex(), cs);
328
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parents: 322
diff changeset
523 }
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parents: 322
diff changeset
524
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
525 private HgChangeset[] get(int... changelogRevisionIndex) {
403
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
526 HgChangeset[] rv = new HgChangeset[changelogRevisionIndex.length];
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
527 IntVector misses = new IntVector(changelogRevisionIndex.length, -1);
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
528 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
529 if (changelogRevisionIndex[i] == -1) {
328
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parents: 322
diff changeset
530 rv[i] = null;
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parents: 322
diff changeset
531 continue;
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parents: 322
diff changeset
532 }
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
533 HgChangeset cached = cachedChangesets.get(changelogRevisionIndex[i]);
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
534 if (cached != null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
535 rv[i] = cached;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
536 } else {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
537 misses.add(changelogRevisionIndex[i]);
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
538 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
539 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
540 if (misses.size() > 0) {
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parents: 322
diff changeset
541 final int[] changesets2read = misses.toArray();
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parents: 322
diff changeset
542 initTransform();
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parents: 322
diff changeset
543 repo.getChangelog().range(this, changesets2read);
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parents: 322
diff changeset
544 for (int changeset2read : changesets2read) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
545 HgChangeset cs = cachedChangesets.get(changeset2read);
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
546 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
547 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
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
548 throw t.setRevisionIndex(changeset2read);
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
549 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
550 // HgChangelog.range may reorder changesets according to their order in the changelog
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
551 // thus need to find original index
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
552 boolean sanity = false;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
553 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
554 if (changelogRevisionIndex[i] == cs.getRevisionIndex()) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
555 rv[i] = cs;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
556 sanity = true;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
557 break;
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
558 }
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
559 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
560 if (!sanity) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
561 HgInternals.getContext(repo).getLog().error(getClass(), "Index of revision %d:%s doesn't match any of requested", cs.getRevisionIndex(), cs.getNodeid().shortNotation());
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
562 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
563 assert sanity;
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
564 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
565 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
566 return rv;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
567 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
568
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
569 // 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
570 void initTransform() throws HgRuntimeException {
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
571 if (transform == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
572 transform = new ChangesetTransformer.Transformation(new HgStatusCollector(repo)/*XXX try to reuse from context?*/, getParentHelper(false));
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parents: 322
diff changeset
573 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
574 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
575
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
576 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
577 HgChangeset cs = transform.handle(revisionNumber, nodeid, cset);
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
578 populate(cs.clone());
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
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
581 public Nodeid changesetRevision() {
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
582 if (changesetRevision == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
583 changesetRevision = getRevision(historyNode.changeset);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
584 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
585 return changesetRevision;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
586 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
587
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
588 public Pair<Nodeid, Nodeid> parentRevisions() {
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
589 if (parentRevisions == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
590 HistoryNode p;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
591 final Nodeid p1, p2;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
592 if ((p = historyNode.parent1) != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
593 p1 = getRevision(p.changeset);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
594 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
595 p1 = Nodeid.NULL;;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
596 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
597 if ((p = historyNode.parent2) != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
598 p2 = getRevision(p.changeset);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
599 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
600 p2 = Nodeid.NULL;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
601 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
602 parentRevisions = new Pair<Nodeid, Nodeid>(p1, p2);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
603 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
604 return parentRevisions;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
605 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
606
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
607 public Collection<Nodeid> childRevisions() {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
608 if (childRevisions != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
609 return childRevisions;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
610 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
611 if (historyNode.children == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
612 childRevisions = Collections.emptyList();
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
613 } else {
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614 ArrayList<Nodeid> rv = new ArrayList<Nodeid>(historyNode.children.size());
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615 for (HistoryNode hn : historyNode.children) {
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616 rv.add(getRevision(hn.changeset));
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617 }
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618 childRevisions = Collections.unmodifiableList(rv);
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619 }
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620 return childRevisions;
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621 }
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622
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623 // reading nodeid involves reading index only, guess, can afford not to optimize multiple reads
423
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624 private Nodeid getRevision(int changelogRevisionNumber) {
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625 // TODO post-1.0 pipe through pool
328
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626 HgChangeset cs = cachedChangesets.get(changelogRevisionNumber);
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627 if (cs != null) {
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628 return cs.getNodeid();
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629 } else {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
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630 return repo.getChangelog().getRevision(changelogRevisionNumber);
328
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631 }
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632 }
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633 }
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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634 }