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annotate src/org/tmatesoft/hg/core/HgLogCommand.java @ 510:90093ee56c0d

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Full-fledged test repo to follow file history. Investigating iteration direction alternatives (from new to old in addition to existing old to new)
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 13 Dec 2012 15:46:40 +0100
parents a30e74dca193
children 122e0600799f
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.Iterator;
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29 import java.util.LinkedList;
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30 import java.util.List;
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31 import java.util.ListIterator;
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32 import java.util.Set;
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33 import java.util.TreeSet;
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34
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35 import org.tmatesoft.hg.internal.IntMap;
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36 import org.tmatesoft.hg.internal.IntVector;
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37 import org.tmatesoft.hg.repo.HgChangelog;
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38 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
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39 import org.tmatesoft.hg.repo.HgDataFile;
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40 import org.tmatesoft.hg.repo.HgInvalidControlFileException;
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41 import org.tmatesoft.hg.repo.HgInvalidRevisionException;
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42 import org.tmatesoft.hg.repo.HgInvalidStateException;
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43 import org.tmatesoft.hg.repo.HgParentChildMap;
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44 import org.tmatesoft.hg.repo.HgRepository;
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45 import org.tmatesoft.hg.repo.HgRuntimeException;
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46 import org.tmatesoft.hg.repo.HgStatusCollector;
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47 import org.tmatesoft.hg.util.CancelSupport;
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48 import org.tmatesoft.hg.util.CancelledException;
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49 import org.tmatesoft.hg.util.Pair;
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50 import org.tmatesoft.hg.util.Path;
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51 import org.tmatesoft.hg.util.ProgressSupport;
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54 /**
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55 * Access to changelog, 'hg log' command counterpart.
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56 *
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57 * <pre>
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58 * Usage:
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59 * new LogCommand().limit(20).branch("maintenance-2.1").user("me").execute(new MyHandler());
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60 * </pre>
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61 * Not thread-safe (each thread has to use own {@link HgLogCommand} instance).
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62 *
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63 * @author Artem Tikhomirov
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64 * @author TMate Software Ltd.
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65 */
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66 public class HgLogCommand extends HgAbstractCommand<HgLogCommand> implements HgChangelog.Inspector {
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68 private final HgRepository repo;
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69 private Set<String> users;
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70 private Set<String> branches;
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71 private int limit = 0, count = 0;
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72 private int startRev = 0, endRev = TIP;
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73 private Calendar date;
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74 private Path file;
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75 private boolean followHistory; // makes sense only when file != null
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76 private ChangesetTransformer csetTransform;
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77 private HgParentChildMap<HgChangelog> parentHelper;
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78
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79 public HgLogCommand(HgRepository hgRepo) {
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80 repo = hgRepo;
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81 }
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83 /**
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84 * Limit search to specified user. Multiple user names may be specified. Once set, user names can't be
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85 * cleared, use new command instance in such cases.
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86 * @param user - full or partial name of the user, case-insensitive, non-null.
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87 * @return <code>this</code> instance for convenience
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88 * @throws IllegalArgumentException when argument is null
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89 */
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90 public HgLogCommand user(String user) {
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91 if (user == null) {
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92 throw new IllegalArgumentException();
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93 }
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94 if (users == null) {
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95 users = new TreeSet<String>();
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96 }
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97 users.add(user.toLowerCase());
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98 return this;
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99 }
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101 /**
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102 * Limit search to specified branch. Multiple branch specification possible (changeset from any of these
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103 * would be included in result). If unspecified, all branches are considered. There's no way to clean branch selection
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104 * once set, create fresh new command instead.
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105 * @param branch - branch name, case-sensitive, non-null.
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106 * @return <code>this</code> instance for convenience
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107 * @throws IllegalArgumentException when branch argument is null
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108 */
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109 public HgLogCommand branch(String branch) {
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110 if (branch == null) {
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111 throw new IllegalArgumentException();
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112 }
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113 if (branches == null) {
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114 branches = new TreeSet<String>();
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115 }
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116 branches.add(branch);
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117 return this;
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118 }
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119
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120 // limit search to specific date
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121 // multiple?
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122 public HgLogCommand date(Calendar date) {
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123 this.date = date;
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124 // TODO post-1.0 implement
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125 // isSet(field) - false => don't use in detection of 'same date'
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126 throw HgRepository.notImplemented();
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127 }
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128
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129 /**
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130 *
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131 * @param num - number of changeset to produce. Pass 0 to clear the limit.
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132 * @return <code>this</code> instance for convenience
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133 */
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134 public HgLogCommand limit(int num) {
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135 limit = num;
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136 return this;
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137 }
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138
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139 /**
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140 * Limit to specified subset of Changelog, [min(rev1,rev2), max(rev1,rev2)], inclusive.
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141 * Revision may be specified with {@link HgRepository#TIP}
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142 *
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143 * @param rev1 - local index of start changeset revision
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144 * @param rev2 - index of end changeset revision
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145 * @return <code>this</code> instance for convenience
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146 */
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147 public HgLogCommand range(int rev1, int rev2) {
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148 if (rev1 != TIP && rev2 != TIP) {
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149 startRev = rev2 < rev1 ? rev2 : rev1;
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150 endRev = startRev == rev2 ? rev1 : rev2;
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151 } else if (rev1 == TIP && rev2 != TIP) {
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152 startRev = rev2;
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153 endRev = rev1;
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154 } else {
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155 startRev = rev1;
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156 endRev = rev2;
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157 }
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158 return this;
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159 }
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160
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161 /**
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162 * Select specific changeset
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163 *
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164 * @param nid changeset revision
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165 * @return <code>this</code> for convenience
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166 * @throws HgBadArgumentException if failed to find supplied changeset revision
253
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167 */
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168 public HgLogCommand changeset(Nodeid nid) throws HgBadArgumentException {
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169 // XXX perhaps, shall support multiple (...) arguments and extend #execute to handle not only range, but also set of revisions.
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170 try {
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171 final int csetRevIndex = repo.getChangelog().getRevisionIndex(nid);
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172 return range(csetRevIndex, csetRevIndex);
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173 } catch (HgInvalidRevisionException ex) {
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174 throw new HgBadArgumentException("Can't find revision", ex).setRevision(nid);
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175 }
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176 }
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177
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178 /**
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179 * Visit history of a given file only.
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180 * @param file path relative to repository root. Pass <code>null</code> to reset.
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181 * @param followCopyRename true to report changesets of the original file(-s), if copy/rename ever occured to the file.
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182 */
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183 public HgLogCommand file(Path file, boolean followCopyRename) {
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184 // multiple? Bad idea, would need to include extra method into Handler to tell start of next file
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185 this.file = file;
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186 followHistory = followCopyRename;
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187 return this;
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188 }
142
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189
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190 /**
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191 * Handy analog of {@link #file(Path, boolean)} when clients' paths come from filesystem and need conversion to repository's
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192 */
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193 public HgLogCommand file(String file, boolean followCopyRename) {
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194 return file(Path.create(repo.getToRepoPathHelper().rewrite(file)), followCopyRename);
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195 }
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196
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197 /**
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198 * Similar to {@link #execute(HgChangesetHandler)}, collects and return result as a list.
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199 *
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200 * @see #execute(HgChangesetHandler)
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201 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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202 */
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203 public List<HgChangeset> execute() throws HgException {
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204 CollectHandler collector = new CollectHandler();
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205 try {
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206 execute(collector);
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207 } catch (HgCallbackTargetException ex) {
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208 // see below for CanceledException
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209 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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210 t.initCause(ex);
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211 throw t;
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212 } catch (CancelledException ex) {
215
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213 // can't happen as long as our CollectHandler doesn't throw any exception
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214 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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215 t.initCause(ex);
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216 throw t;
215
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217 }
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218 return collector.getChanges();
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219 }
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220
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221 /**
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222 * Iterate over range of changesets configured in the command.
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223 *
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224 * @param handler callback to process changesets.
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225 * @throws HgCallbackTargetException propagated exception from the handler
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226 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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227 * @throws CancelledException if execution of the command was cancelled
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228 * @throws IllegalArgumentException when inspector argument is null
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229 * @throws ConcurrentModificationException if this log command instance is already running
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230 */
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231 public void execute(HgChangesetHandler handler) throws HgCallbackTargetException, HgException, CancelledException {
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232 if (handler == null) {
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233 throw new IllegalArgumentException();
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234 }
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235 if (csetTransform != null) {
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236 throw new ConcurrentModificationException();
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237 }
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238 final ProgressSupport progressHelper = getProgressSupport(handler);
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239 try {
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240 count = 0;
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241 HgParentChildMap<HgChangelog> pw = getParentHelper(file == null); // leave it uninitialized unless we iterate whole repo
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242 // ChangesetTransfrom creates a blank PathPool, and #file(String, boolean) above
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243 // may utilize it as well. CommandContext? How about StatusCollector there as well?
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244 csetTransform = new ChangesetTransformer(repo, handler, pw, progressHelper, getCancelSupport(handler, true));
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245 if (file == null) {
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246 progressHelper.start(endRev - startRev + 1);
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247 repo.getChangelog().range(startRev, endRev, this);
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248 csetTransform.checkFailure();
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249 } else {
215
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250 progressHelper.start(-1/*XXX enum const, or a dedicated method startUnspecified(). How about startAtLeast(int)?*/);
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251 HgDataFile fileNode = repo.getFileNode(file);
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252 if (!fileNode.exists()) {
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253 throw new HgPathNotFoundException(String.format("File %s not found in the repository", file), file);
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254 }
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255 // FIXME startRev and endRev ARE CHANGESET REVISIONS, not that of FILE!!!
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256 fileNode.history(startRev, endRev, this);
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257 csetTransform.checkFailure();
126
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258 if (fileNode.isCopy()) {
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259 // even if we do not follow history, report file rename
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260 do {
427
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261 if (handler instanceof HgChangesetHandler.WithCopyHistory) {
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262 HgFileRevision src = new HgFileRevision(repo, fileNode.getCopySourceRevision(), null, fileNode.getCopySourceName());
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263 HgFileRevision dst = new HgFileRevision(repo, fileNode.getRevision(0), null, fileNode.getPath(), src.getPath());
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264 ((HgChangesetHandler.WithCopyHistory) handler).copy(src, dst);
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265 }
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266 if (limit > 0 && count >= limit) {
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267 // if limit reach, follow is useless.
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268 break;
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269 }
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270 if (followHistory) {
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271 fileNode = repo.getFileNode(fileNode.getCopySourceName());
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272 fileNode.history(this);
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273 csetTransform.checkFailure();
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274 }
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275 } while (followHistory && fileNode.isCopy());
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276 }
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277 }
427
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278 } catch (HgRuntimeException ex) {
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279 throw new HgLibraryFailureException(ex);
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280 } finally {
193
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281 csetTransform = null;
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282 progressHelper.done();
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283 }
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284 }
328
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285
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286 /**
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287 * Tree-wise iteration of a file history, with handy access to parent-child relations between changesets.
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288 *
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289 * @param handler callback to process changesets.
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290 * @throws HgCallbackTargetException propagated exception from the handler
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291 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
380
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292 * @throws CancelledException if execution of the command was cancelled
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293 * @throws IllegalArgumentException if command is not satisfied with its arguments
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294 * @throws ConcurrentModificationException if this log command instance is already running
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295 */
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296 public void execute(HgChangesetTreeHandler handler) throws HgCallbackTargetException, HgException, CancelledException {
328
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297 if (handler == null) {
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298 throw new IllegalArgumentException();
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299 }
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300 if (csetTransform != null) {
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301 throw new ConcurrentModificationException();
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302 }
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303 if (file == null) {
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304 throw new IllegalArgumentException("History tree is supported for files only (at least now), please specify file");
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305 }
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306 final ProgressSupport progressHelper = getProgressSupport(handler);
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307 final CancelSupport cancelHelper = getCancelSupport(handler, true);
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308
508
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309 // builds tree of nodes according to parents in file's revlog
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310 final TreeBuildInspector treeBuildInspector = new TreeBuildInspector(followHistory);
509
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311 // we iterate separate histories of each filename, need to connect
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312 // last node of historyA with first node of historyB (A renamed to B case)
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313 // to make overall history smooth.
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314 HistoryNode lastFromPrevIteration = null;
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315
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316 final int CACHE_CSET_IN_ADVANCE_THRESHOLD = 100; /* XXX is it really worth it? */
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317 ElementImpl ei = null;
508
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318
510
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319 // renamed files in the queue are placed with respect to #iterateDirection
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320 // i.e. if we iterate from new to old, recent filenames come first
508
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321 LinkedList<Pair<HgDataFile, Nodeid>> fileRenamesQueue = buildFileRenamesQueue();
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322 progressHelper.start(4 * fileRenamesQueue.size());
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323 do {
510
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324
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325 Pair<HgDataFile, Nodeid> renameInfo = fileRenamesQueue.removeFirst();
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326 cancelHelper.checkCancelled();
508
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327 HgDataFile fileNode = renameInfo.first();
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328 Nodeid fileLastRevToVisit = null;
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329 if (followHistory) {
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330 fileLastRevToVisit = renameInfo.second();
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331 if (fileLastRevToVisit == null) {
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332 // it's either first or last item in the queue, depending on iteration order
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333 assert fileRenamesQueue.isEmpty() || /*awful way to find out it's first iteration*/ lastFromPrevIteration == null;
508
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334 // TODO subject to dedicated method either in HgRepository (getWorkingCopyParentRevisionIndex)
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335 // or in the HgDataFile (getWorkingCopyOriginRevision)
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336 Nodeid wdParentChangeset = repo.getWorkingCopyParents().first();
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337 if (!wdParentChangeset.isNull()) {
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338 int wdParentRevIndex = repo.getChangelog().getRevisionIndex(wdParentChangeset);
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339 fileLastRevToVisit = repo.getManifest().getFileRevision(wdParentRevIndex, fileNode.getPath());
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340 }
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341 // else fall-through, assume lastRevision() is ok here
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342 }
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343 }
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344 int fileLastRevIndexToVisit = fileLastRevToVisit == null ? fileNode.getLastRevision() : fileNode.getRevisionIndex(fileLastRevToVisit);
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345 final List<HistoryNode> changeHistory = treeBuildInspector.go(fileNode, fileLastRevIndexToVisit);
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346 assert changeHistory.size() > 0;
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347 progressHelper.worked(1);
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348 cancelHelper.checkCancelled();
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349 final ProgressSupport ph2;
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350 if (ei == null) {
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351 // when follow is true, changeHistory.size() of the first revision might be quite short
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352 // (e.g. bad fname recognized soon), hence ensure at least cache size at once
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353 ei = new ElementImpl(Math.max(CACHE_CSET_IN_ADVANCE_THRESHOLD, changeHistory.size()));
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354 }
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355 if (changeHistory.size() < CACHE_CSET_IN_ADVANCE_THRESHOLD ) {
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356 int[] commitRevisions = treeBuildInspector.getCommitRevisions();
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357 assert changeHistory.size() == commitRevisions.length;
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358 // read bunch of changesets at once and cache 'em
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359 ei.initTransform();
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360 repo.getChangelog().range(ei, commitRevisions);
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361 progressHelper.worked(1);
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362 ph2 = new ProgressSupport.Sub(progressHelper, 2);
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363 } else {
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364 ph2 = new ProgressSupport.Sub(progressHelper, 3);
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365 }
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366 ph2.start(changeHistory.size());
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367 if (lastFromPrevIteration != null) {
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368 if (iterateDirection == IterateDirection.FromOldToNew) {
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369 // forward, from old to new:
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370 // A(0..n) -> B(0..m). First, report A(0)..A(n-1)
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371 // then A(n).bind(B(0))
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372 HistoryNode oldestOfTheNextChunk = changeHistory.get(0);
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373 lastFromPrevIteration.bindChild(oldestOfTheNextChunk);
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374 changeHistory.add(0, lastFromPrevIteration);
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375 } else {
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376 assert iterateDirection == IterateDirection.FromNewToOld;
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377 // A renamed to B. A(0..n) -> B(0..m).
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378 // First, report B(m), B(m-1)...B(1), then A(n).bind(B(0))
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379 HistoryNode newestOfNextChunk = changeHistory.get(changeHistory.size() - 1); // A(n)
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380 newestOfNextChunk.bindChild(lastFromPrevIteration);
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381 changeHistory.add(lastFromPrevIteration);
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382 }
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383 }
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384 if (!fileRenamesQueue.isEmpty()) {
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385 if (iterateDirection == IterateDirection.FromOldToNew) {
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386 // save newest, and exclude it from this iteration (postpone for next)
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387 lastFromPrevIteration = changeHistory.remove(changeHistory.size()-1);
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388 } else {
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389 assert iterateDirection == IterateDirection.FromNewToOld;
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390 // save oldest, and exclude it from thi iteration (postpone for next)
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391 lastFromPrevIteration = changeHistory.remove(0);
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392 }
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393 } else {
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394 lastFromPrevIteration = null; // just for the sake of no references to old items
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395 }
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396 // XXX shall sort changeHistory according to changeset numbers?
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397 Iterator<HistoryNode> it;
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398 if (iterateDirection == IterateDirection.FromOldToNew) {
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399 it = changeHistory.listIterator();
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400 } else {
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401 assert iterateDirection == IterateDirection.FromNewToOld;
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402 it = new ReverseIterator<HistoryNode>(changeHistory);
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403 }
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404 while(it.hasNext()) {
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405 HistoryNode n = it.next();
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406 handler.treeElement(ei.init(n));
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407 ph2.worked(1);
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408 cancelHelper.checkCancelled();
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409 }
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410 } while (!fileRenamesQueue.isEmpty());
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411 progressHelper.done();
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412 }
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413
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414 private IterateDirection iterateDirection = IterateDirection.FromOldToNew;
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415
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416 private static class ReverseIterator<E> implements Iterator<E> {
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417 private final ListIterator<E> listIterator;
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418
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419 public ReverseIterator(List<E> list) {
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420 listIterator = list.listIterator(list.size());
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421 }
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422
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423 public boolean hasNext() {
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424 return listIterator.hasPrevious();
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425 }
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426 public E next() {
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427 return listIterator.previous();
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428 }
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429 public void remove() {
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430 listIterator.remove();
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431 }
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432 }
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433
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434 /**
508
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435 * Follows file renames and build a list of all corresponding file nodes and revisions they were
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436 * copied/renamed/branched at (IOW, their latest revision to look at).
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437 *
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438 * If {@link #followHistory} is <code>false</code>, the list contains one element only,
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439 * file node with the name of the file as it was specified by the user.
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440 *
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441 * For the most recent file revision is null.
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442 *
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443 * TODO may use HgFileRevision (after some refactoring to accept HgDataFile and Nodeid) instead of Pair
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444 * and possibly reuse this functionality
507
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445 *
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446 * @return list of file renames, ordered with respect to {@link #iterateDirection}
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447 */
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448 private LinkedList<Pair<HgDataFile, Nodeid>> buildFileRenamesQueue() {
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diff changeset
449 LinkedList<Pair<HgDataFile, Nodeid>> rv = new LinkedList<Pair<HgDataFile, Nodeid>>();
507
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diff changeset
450 if (!followHistory) {
508
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451 rv.add(new Pair<HgDataFile, Nodeid>(repo.getFileNode(file), null));
507
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452 return rv;
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453 }
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454 Path fp = file;
508
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455 Nodeid copyRev = null;
507
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456 boolean isCopy;
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457 do {
508
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458 HgDataFile fileNode = repo.getFileNode(fp);
510
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459 Pair<HgDataFile, Nodeid> p = new Pair<HgDataFile, Nodeid>(fileNode, copyRev);
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diff changeset
460 if (iterateDirection == IterateDirection.FromOldToNew) {
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diff changeset
461 rv.addFirst(p);
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462 } else {
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diff changeset
463 assert iterateDirection == IterateDirection.FromNewToOld;
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diff changeset
464 rv.addLast(p);
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465 }
507
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diff changeset
466 if (isCopy = fileNode.isCopy()) {
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diff changeset
467 fp = fileNode.getCopySourceName();
508
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468 copyRev = fileNode.getCopySourceRevision();
507
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diff changeset
469 }
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470 } while (isCopy);
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diff changeset
471 return rv;
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diff changeset
472 }
508
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473
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diff changeset
474 private static class TreeBuildInspector implements HgChangelog.ParentInspector, HgChangelog.RevisionInspector {
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475 private final boolean followAncestry;
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476
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477 private HistoryNode[] completeHistory;
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478 private int[] commitRevisions;
509
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479 private List<HistoryNode> resultHistory;
508
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480
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481 TreeBuildInspector(boolean _followAncestry) {
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482 followAncestry = _followAncestry;
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483 }
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484
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485 public void next(int revisionNumber, Nodeid revision, int linkedRevision) {
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486 commitRevisions[revisionNumber] = linkedRevision;
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487 }
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488
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diff changeset
489 public void next(int revisionNumber, Nodeid revision, int parent1, int parent2, Nodeid nidParent1, Nodeid nidParent2) {
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diff changeset
490 HistoryNode p1 = null, p2 = null;
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diff changeset
491 if (parent1 != -1) {
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492 p1 = completeHistory[parent1];
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493 }
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494 if (parent2!= -1) {
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diff changeset
495 p2 = completeHistory[parent2];
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496 }
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diff changeset
497 completeHistory[revisionNumber] = new HistoryNode(commitRevisions[revisionNumber], revision, p1, p2);
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498 }
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499
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diff changeset
500 /**
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501 * Builds history of file changes (in natural order, from oldest to newest) up to (and including) file revision specified.
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parents: 507
diff changeset
502 * If {@link TreeBuildInspector} follows ancestry, only elements that are on the line of ancestry of the revision at
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diff changeset
503 * lastRevisionIndex would be included.
509
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diff changeset
504 *
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505 * @return list of history elements, from oldest to newest. In case {@link #followAncestry} is <code>true</code>, the list
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parents: 508
diff changeset
506 * is modifiable (to further augment with last/first elements of renamed file histories)
508
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diff changeset
507 */
509
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diff changeset
508 List<HistoryNode> go(HgDataFile fileNode, int lastRevisionIndex) throws HgInvalidControlFileException {
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diff changeset
509 resultHistory = null;
508
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diff changeset
510 completeHistory = new HistoryNode[lastRevisionIndex+1];
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diff changeset
511 commitRevisions = new int[completeHistory.length];
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diff changeset
512 fileNode.indexWalk(0, lastRevisionIndex, this);
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diff changeset
513 if (!followAncestry) {
509
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diff changeset
514 // in case when ancestor not followed, it's safe to return unmodifiable list
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diff changeset
515 resultHistory = Arrays.asList(completeHistory);
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diff changeset
516 completeHistory = null;
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diff changeset
517 // keep commitRevisions initialized, no need to recalculate them
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diff changeset
518 // as they correspond 1:1 to resultHistory
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diff changeset
519 return resultHistory;
508
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520 }
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diff changeset
521 /*
509
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parents: 508
diff changeset
522 * Changesets, newest at the top:
508
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parents: 507
diff changeset
523 * o <-- cset from working dir parent (as in dirstate), file not changed (file revision recorded points to that from A)
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diff changeset
524 * | x <-- revision with file changed (B')
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diff changeset
525 * x / <-- revision with file changed (A)
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diff changeset
526 * | x <-- revision with file changed (B)
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diff changeset
527 * |/
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diff changeset
528 * o <-- another changeset, where file wasn't changed
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diff changeset
529 * |
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parents: 507
diff changeset
530 * x <-- revision with file changed (C)
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diff changeset
531 *
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diff changeset
532 * File history: B', A, B, C
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diff changeset
533 *
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diff changeset
534 * When "follow", SHALL NOT report B and B', but A and C
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diff changeset
535 */
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parents: 507
diff changeset
536 // strippedHistory: only those HistoryNodes from completeHistory that are on the same
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diff changeset
537 // line of descendant, in order from older to newer
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
538 LinkedList<HistoryNode> strippedHistoryList = new LinkedList<HistoryNode>();
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parents: 507
diff changeset
539 LinkedList<HistoryNode> queue = new LinkedList<HistoryNode>();
ca5202afea90 Support follow history option when walking file history tree
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parents: 507
diff changeset
540 // look for ancestors of the selected history node
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diff changeset
541 queue.add(completeHistory[lastRevisionIndex]);
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diff changeset
542 do {
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parents: 507
diff changeset
543 HistoryNode withFileChange = queue.removeFirst();
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diff changeset
544 if (withFileChange.children != null) {
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diff changeset
545 withFileChange.children.retainAll(strippedHistoryList);
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parents: 507
diff changeset
546 }
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diff changeset
547 strippedHistoryList.addFirst(withFileChange);
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diff changeset
548 if (withFileChange.parent1 != null) {
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diff changeset
549 queue.addLast(withFileChange.parent1);
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parents: 507
diff changeset
550 }
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diff changeset
551 if (withFileChange.parent2 != null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
552 queue.addLast(withFileChange.parent2);
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parents: 507
diff changeset
553 }
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parents: 507
diff changeset
554 } while (!queue.isEmpty());
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diff changeset
555 completeHistory = null;
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parents: 507
diff changeset
556 commitRevisions = null;
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diff changeset
557 // collected values are no longer valid - shall
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parents: 507
diff changeset
558 // strip off elements for missing HistoryNodes, but it's easier just to re-create the array
509
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diff changeset
559 // from resultHistory later, once (and if) needed
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
560 return resultHistory = strippedHistoryList;
508
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diff changeset
561 }
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diff changeset
562
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
563 /**
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
564 * handy access to all HistoryNode[i].changeset values
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
565 */
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
566 int[] getCommitRevisions() {
509
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diff changeset
567 if (commitRevisions == null) {
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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parents: 508
diff changeset
568 commitRevisions = new int[resultHistory.size()];
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parents: 508
diff changeset
569 int i = 0;
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parents: 508
diff changeset
570 for (HistoryNode n : resultHistory) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
571 commitRevisions[i++] = n.changeset;
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diff changeset
572 }
a30e74dca193 Establish parent-child between first and last elements of history chunks for two renamed files
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parents: 508
diff changeset
573 }
508
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
574 return commitRevisions;
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
575 }
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
576 };
ca5202afea90 Support follow history option when walking file history tree
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 507
diff changeset
577
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
578
64
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
579 //
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
580
154
ba2bf656f00f Changeset => RawChangeset
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 148
diff changeset
581 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
582 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
583 return;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
584 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
585 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
586 return;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
587 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
588 if (users != null) {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
589 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
590 boolean found = false;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
591 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
592 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
593 found = true;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
594 break;
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
595 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
596 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
597 if (!found) {
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
598 return;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
599 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
600 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
601 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
602 // TODO post-1.0 implement date support for log
64
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
603 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
604 count++;
193
37f3d4a596e4 Use common low to hi-level changeset api transformer
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 157
diff changeset
605 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
606 }
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
607
432
1fc0da631200 Revlog.ParentWalker helper class got promoted as TLC, renamed to HgParentChildMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 431
diff changeset
608 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
609 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
610 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
611 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
612 }
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
613 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
614 }
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
615
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
616
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
617 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
618 private final List<HgChangeset> result = new LinkedList<HgChangeset>();
64
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parents:
diff changeset
619
129
645829962785 core.Cset renamed to HgChangeset; repo.Changeset moved into HgChangelog
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parents: 126
diff changeset
620 public List<HgChangeset> getChanges() {
64
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
621 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
622 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
623
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
624 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
625 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
626 }
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
627 }
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
628
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
629 private static class HistoryNode {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
630 final int changeset;
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parents: 322
diff changeset
631 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
632 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
633 final HistoryNode parent2;
328
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
634 List<HistoryNode> children;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
635
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
636 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
637 changeset = cs;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
638 fileRevision = revision;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
639 parent1 = p1;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
640 parent2 = p2;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
641 if (p1 != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
642 p1.addChild(this);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
643 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
644 if (p2 != null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
645 p2.addChild(this);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
646 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
647 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
648
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
649 private void addChild(HistoryNode child) {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
650 if (children == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
651 children = new ArrayList<HistoryNode>(2);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
652 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
653 children.add(child);
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
654 }
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
655
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
656 /**
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
657 * method to merge two history chunks for renamed file so that
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
658 * this node's history continues with that of child
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
659 * @param child
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
660 */
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
661 public void bindChild(HistoryNode child) {
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
662 assert child.parent1 == null && child.parent2 == 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
663 // for the last element in history empty children are by construction:
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
664 // we don't iterate further than last element of interest in TreeBuildInspector#go
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
665 assert children == null || children.isEmpty();
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
666 child.parent1 = this;
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
667 addChild(child);
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
668 }
328
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
669 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
670
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
671 private class ElementImpl implements HgChangesetTreeHandler.TreeElement, HgChangelog.Inspector {
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parents: 322
diff changeset
672 private HistoryNode historyNode;
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parents: 322
diff changeset
673 private Pair<HgChangeset, HgChangeset> parents;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
674 private List<HgChangeset> children;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
675 private IntMap<HgChangeset> cachedChangesets;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
676 private ChangesetTransformer.Transformation transform;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
677 private Nodeid changesetRevision;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
678 private Pair<Nodeid,Nodeid> parentRevisions;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
679 private List<Nodeid> childRevisions;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
680
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parents: 322
diff changeset
681 public ElementImpl(int total) {
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parents: 322
diff changeset
682 cachedChangesets = new IntMap<HgChangeset>(total);
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parents: 322
diff changeset
683 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
684
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
685 ElementImpl init(HistoryNode n) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
686 historyNode = n;
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parents: 322
diff changeset
687 parents = null;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
688 children = null;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
689 changesetRevision = null;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
690 parentRevisions = null;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
691 childRevisions = null;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
692 return this;
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parents: 322
diff changeset
693 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
694
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
695 public Nodeid fileRevision() {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
696 return historyNode.fileRevision;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
697 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
698
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
699 public HgChangeset changeset() {
328
a674b8590362 Move file tree history to upper API level
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parents: 322
diff changeset
700 return get(historyNode.changeset)[0];
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
701 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
702
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
703 public Pair<HgChangeset, HgChangeset> parents() {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
704 if (parents != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
705 return parents;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
706 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
707 HistoryNode p;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
708 final int p1, p2;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
709 if ((p = historyNode.parent1) != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
710 p1 = p.changeset;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
711 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
712 p1 = -1;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
713 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
714 if ((p = historyNode.parent2) != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
715 p2 = p.changeset;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
716 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
717 p2 = -1;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
718 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
719 HgChangeset[] r = get(p1, p2);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
720 return parents = new Pair<HgChangeset, HgChangeset>(r[0], r[1]);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
721 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
722
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
723 public Collection<HgChangeset> children() {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
724 if (children != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
725 return children;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
726 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
727 if (historyNode.children == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
728 children = Collections.emptyList();
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
729 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
730 int[] childrentChangesetNumbers = new int[historyNode.children.size()];
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
731 int j = 0;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
732 for (HistoryNode hn : historyNode.children) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
733 childrentChangesetNumbers[j++] = hn.changeset;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
734 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
735 children = Arrays.asList(get(childrentChangesetNumbers));
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
736 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
737 return children;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
738 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
739
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
740 void populate(HgChangeset cs) {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
741 cachedChangesets.put(cs.getRevisionIndex(), cs);
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
742 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
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 private HgChangeset[] get(int... changelogRevisionIndex) {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
745 HgChangeset[] rv = new HgChangeset[changelogRevisionIndex.length];
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
746 IntVector misses = new IntVector(changelogRevisionIndex.length, -1);
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
747 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
748 if (changelogRevisionIndex[i] == -1) {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
749 rv[i] = null;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
750 continue;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
751 }
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
752 HgChangeset cached = cachedChangesets.get(changelogRevisionIndex[i]);
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
753 if (cached != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
754 rv[i] = cached;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
755 } else {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
756 misses.add(changelogRevisionIndex[i]);
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
757 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
758 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
759 if (misses.size() > 0) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
760 final int[] changesets2read = misses.toArray();
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
761 initTransform();
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
762 repo.getChangelog().range(this, changesets2read);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
763 for (int changeset2read : changesets2read) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
764 HgChangeset cs = cachedChangesets.get(changeset2read);
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
765 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
766 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
767 throw t.setRevisionIndex(changeset2read);
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
768 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
769 // 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
770 // thus need to find original index
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
771 boolean sanity = false;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
772 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
773 if (changelogRevisionIndex[i] == cs.getRevisionIndex()) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
774 rv[i] = cs;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
775 sanity = true;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
776 break;
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
777 }
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
778 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
779 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
780 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
diff changeset
781 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
782 assert sanity;
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
783 }
a674b8590362 Move file tree history to upper API level
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 return rv;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
786 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
787
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
788 // 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
789 void initTransform() throws HgRuntimeException {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
790 if (transform == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
791 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
diff changeset
792 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
793 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
794
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
795 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
796 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
797 populate(cs.clone());
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
798 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
799
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
800 public Nodeid changesetRevision() {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
801 if (changesetRevision == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
802 changesetRevision = getRevision(historyNode.changeset);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
803 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
804 return changesetRevision;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
805 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
806
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
807 public Pair<Nodeid, Nodeid> parentRevisions() {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
808 if (parentRevisions == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
809 HistoryNode p;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
810 final Nodeid p1, p2;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
811 if ((p = historyNode.parent1) != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
812 p1 = getRevision(p.changeset);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
813 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
814 p1 = Nodeid.NULL;;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
815 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
816 if ((p = historyNode.parent2) != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
817 p2 = getRevision(p.changeset);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
818 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
819 p2 = Nodeid.NULL;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
820 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
821 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
822 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
823 return parentRevisions;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
824 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
825
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
826 public Collection<Nodeid> childRevisions() {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
827 if (childRevisions != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
828 return childRevisions;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
829 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
830 if (historyNode.children == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
831 childRevisions = Collections.emptyList();
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832 } else {
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833 ArrayList<Nodeid> rv = new ArrayList<Nodeid>(historyNode.children.size());
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834 for (HistoryNode hn : historyNode.children) {
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835 rv.add(getRevision(hn.changeset));
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836 }
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837 childRevisions = Collections.unmodifiableList(rv);
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838 }
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839 return childRevisions;
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840 }
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841
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842 // reading nodeid involves reading index only, guess, can afford not to optimize multiple reads
423
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843 private Nodeid getRevision(int changelogRevisionNumber) {
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844 // TODO post-1.0 pipe through pool
328
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845 HgChangeset cs = cachedChangesets.get(changelogRevisionNumber);
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846 if (cs != null) {
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847 return cs.getNodeid();
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848 } else {
403
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849 return repo.getChangelog().getRevision(changelogRevisionNumber);
328
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850 }
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851 }
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852 }
510
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853
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854 private enum IterateDirection {
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855 FromOldToNew, FromNewToOld
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856 }
64
19e9e220bf68 Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
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857 }