Mercurial > hg4j

annotate src/org/tmatesoft/hg/core/HgLogCommand.java @ 461:613c883e360e

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Do not walk into nested repositories at all, ignore not only .hg but whole nested repo
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 20 Jun 2012 16:51:18 +0200
parents d78cb5ca3053
children b3c16d1aede0
rev   line source
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1 /*
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2 s * Copyright (c) 2011-2012 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.core;
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18
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19 import static org.tmatesoft.hg.repo.HgRepository.TIP;
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20 import static org.tmatesoft.hg.util.LogFacility.Severity.Error;
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21
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22 import java.util.ArrayList;
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23 import java.util.Arrays;
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24 import java.util.Calendar;
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25 import java.util.Collection;
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26 import java.util.Collections;
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27 import java.util.ConcurrentModificationException;
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28 import java.util.LinkedList;
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29 import java.util.List;
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30 import java.util.Set;
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31 import java.util.TreeSet;
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32
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33 import org.tmatesoft.hg.internal.IntMap;
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34 import org.tmatesoft.hg.internal.IntVector;
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35 import org.tmatesoft.hg.repo.HgChangelog;
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36 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
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37 import org.tmatesoft.hg.repo.HgDataFile;
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38 import org.tmatesoft.hg.repo.HgInternals;
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39 import org.tmatesoft.hg.repo.HgInvalidControlFileException;
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40 import org.tmatesoft.hg.repo.HgInvalidRevisionException;
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41 import org.tmatesoft.hg.repo.HgInvalidStateException;
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42 import org.tmatesoft.hg.repo.HgParentChildMap;
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43 import org.tmatesoft.hg.repo.HgRepository;
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44 import org.tmatesoft.hg.repo.HgRuntimeException;
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45 import org.tmatesoft.hg.repo.HgStatusCollector;
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46 import org.tmatesoft.hg.util.CancelSupport;
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47 import org.tmatesoft.hg.util.CancelledException;
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48 import org.tmatesoft.hg.util.Pair;
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49 import org.tmatesoft.hg.util.Path;
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50 import org.tmatesoft.hg.util.ProgressSupport;
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53 /**
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54 * Access to changelog, 'hg log' command counterpart.
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55 *
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56 * <pre>
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57 * Usage:
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58 * new LogCommand().limit(20).branch("maintenance-2.1").user("me").execute(new MyHandler());
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59 * </pre>
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60 * Not thread-safe (each thread has to use own {@link HgLogCommand} instance).
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61 *
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62 * @author Artem Tikhomirov
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63 * @author TMate Software Ltd.
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64 */
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65 public class HgLogCommand extends HgAbstractCommand<HgLogCommand> implements HgChangelog.Inspector {
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67 private final HgRepository repo;
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68 private Set<String> users;
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69 private Set<String> branches;
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70 private int limit = 0, count = 0;
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71 private int startRev = 0, endRev = TIP;
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72 private Calendar date;
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73 private Path file;
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74 private boolean followHistory; // makes sense only when file != null
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75 private ChangesetTransformer csetTransform;
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76 private HgParentChildMap<HgChangelog> parentHelper;
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77
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78 public HgLogCommand(HgRepository hgRepo) {
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79 repo = hgRepo;
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80 }
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82 /**
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83 * Limit search to specified user. Multiple user names may be specified. Once set, user names can't be
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84 * cleared, use new command instance in such cases.
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85 * @param user - full or partial name of the user, case-insensitive, non-null.
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86 * @return <code>this</code> instance for convenience
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87 * @throws IllegalArgumentException when argument is null
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88 */
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89 public HgLogCommand user(String user) {
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90 if (user == null) {
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91 throw new IllegalArgumentException();
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92 }
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93 if (users == null) {
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94 users = new TreeSet<String>();
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95 }
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96 users.add(user.toLowerCase());
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97 return this;
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98 }
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100 /**
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101 * Limit search to specified branch. Multiple branch specification possible (changeset from any of these
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102 * would be included in result). If unspecified, all branches are considered. There's no way to clean branch selection
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103 * once set, create fresh new command instead.
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104 * @param branch - branch name, case-sensitive, non-null.
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105 * @return <code>this</code> instance for convenience
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106 * @throws IllegalArgumentException when branch argument is null
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107 */
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108 public HgLogCommand branch(String branch) {
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109 if (branch == null) {
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110 throw new IllegalArgumentException();
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111 }
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112 if (branches == null) {
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113 branches = new TreeSet<String>();
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114 }
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115 branches.add(branch);
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116 return this;
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117 }
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118
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119 // limit search to specific date
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120 // multiple?
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121 public HgLogCommand date(Calendar date) {
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122 this.date = date;
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123 // TODO post-1.0 implement
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124 // isSet(field) - false => don't use in detection of 'same date'
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125 throw HgRepository.notImplemented();
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126 }
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127
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128 /**
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129 *
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130 * @param num - number of changeset to produce. Pass 0 to clear the limit.
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131 * @return <code>this</code> instance for convenience
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132 */
131
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133 public HgLogCommand limit(int num) {
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134 limit = num;
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135 return this;
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136 }
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137
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138 /**
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139 * Limit to specified subset of Changelog, [min(rev1,rev2), max(rev1,rev2)], inclusive.
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140 * Revision may be specified with {@link HgRepository#TIP}
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141 *
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142 * @param rev1 - local index of start changeset revision
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143 * @param rev2 - index of end changeset revision
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144 * @return <code>this</code> instance for convenience
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145 */
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146 public HgLogCommand range(int rev1, int rev2) {
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147 if (rev1 != TIP && rev2 != TIP) {
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148 startRev = rev2 < rev1 ? rev2 : rev1;
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149 endRev = startRev == rev2 ? rev1 : rev2;
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150 } else if (rev1 == TIP && rev2 != TIP) {
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151 startRev = rev2;
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152 endRev = rev1;
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153 } else {
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154 startRev = rev1;
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155 endRev = rev2;
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156 }
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157 return this;
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158 }
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159
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160 /**
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161 * Select specific changeset
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162 *
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163 * @param nid changeset revision
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164 * @return <code>this</code> for convenience
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165 * @throws HgBadArgumentException if failed to find supplied changeset revision
253
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166 */
427
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167 public HgLogCommand changeset(Nodeid nid) throws HgBadArgumentException {
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168 // XXX perhaps, shall support multiple (...) arguments and extend #execute to handle not only range, but also set of revisions.
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169 try {
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170 final int csetRevIndex = repo.getChangelog().getRevisionIndex(nid);
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171 return range(csetRevIndex, csetRevIndex);
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172 } catch (HgInvalidRevisionException ex) {
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173 throw new HgBadArgumentException("Can't find revision", ex).setRevision(nid);
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174 }
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175 }
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176
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177 /**
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178 * Visit history of a given file only.
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179 * @param file path relative to repository root. Pass <code>null</code> to reset.
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180 * @param followCopyRename true to report changesets of the original file(-s), if copy/rename ever occured to the file.
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181 */
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182 public HgLogCommand file(Path file, boolean followCopyRename) {
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183 // multiple? Bad idea, would need to include extra method into Handler to tell start of next file
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184 this.file = file;
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185 followHistory = followCopyRename;
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186 return this;
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187 }
142
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188
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189 /**
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190 * Handy analog of {@link #file(Path, boolean)} when clients' paths come from filesystem and need conversion to repository's
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191 */
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192 public HgLogCommand file(String file, boolean followCopyRename) {
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193 return file(Path.create(repo.getToRepoPathHelper().rewrite(file)), followCopyRename);
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194 }
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195
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196 /**
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197 * Similar to {@link #execute(HgChangesetHandler)}, collects and return result as a list.
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198 *
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199 * @see #execute(HgChangesetHandler)
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200 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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201 */
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202 public List<HgChangeset> execute() throws HgException {
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203 CollectHandler collector = new CollectHandler();
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204 try {
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205 execute(collector);
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206 } catch (HgCallbackTargetException ex) {
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207 // see below for CanceledException
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208 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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209 t.initCause(ex);
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210 throw t;
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211 } catch (CancelledException ex) {
215
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212 // can't happen as long as our CollectHandler doesn't throw any exception
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213 HgInvalidStateException t = new HgInvalidStateException("Internal error");
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214 t.initCause(ex);
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215 throw t;
215
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216 }
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217 return collector.getChanges();
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218 }
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220 /**
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221 * Iterate over range of changesets configured in the command.
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222 *
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223 * @param handler callback to process changesets.
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224 * @throws HgCallbackTargetException propagated exception from the handler
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225 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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226 * @throws CancelledException if execution of the command was cancelled
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227 * @throws IllegalArgumentException when inspector argument is null
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228 * @throws ConcurrentModificationException if this log command instance is already running
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229 */
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230 public void execute(HgChangesetHandler handler) throws HgCallbackTargetException, HgException, CancelledException {
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231 if (handler == null) {
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232 throw new IllegalArgumentException();
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233 }
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234 if (csetTransform != null) {
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235 throw new ConcurrentModificationException();
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236 }
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237 final ProgressSupport progressHelper = getProgressSupport(handler);
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238 try {
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239 count = 0;
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240 HgParentChildMap<HgChangelog> pw = getParentHelper(file == null); // leave it uninitialized unless we iterate whole repo
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241 // ChangesetTransfrom creates a blank PathPool, and #file(String, boolean) above
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242 // may utilize it as well. CommandContext? How about StatusCollector there as well?
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243 csetTransform = new ChangesetTransformer(repo, handler, pw, progressHelper, getCancelSupport(handler, true));
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244 if (file == null) {
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245 progressHelper.start(endRev - startRev + 1);
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246 repo.getChangelog().range(startRev, endRev, this);
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247 csetTransform.checkFailure();
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248 } else {
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249 progressHelper.start(-1/*XXX enum const, or a dedicated method startUnspecified(). How about startAtLeast(int)?*/);
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250 HgDataFile fileNode = repo.getFileNode(file);
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251 if (!fileNode.exists()) {
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252 throw new HgPathNotFoundException(String.format("File %s not found in the repository", file), file);
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253 }
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254 fileNode.history(startRev, endRev, this);
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255 csetTransform.checkFailure();
126
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256 if (fileNode.isCopy()) {
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257 // even if we do not follow history, report file rename
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258 do {
427
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259 if (handler instanceof HgChangesetHandler.WithCopyHistory) {
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260 HgFileRevision src = new HgFileRevision(repo, fileNode.getCopySourceRevision(), null, fileNode.getCopySourceName());
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261 HgFileRevision dst = new HgFileRevision(repo, fileNode.getRevision(0), null, fileNode.getPath(), src.getPath());
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262 ((HgChangesetHandler.WithCopyHistory) handler).copy(src, dst);
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263 }
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264 if (limit > 0 && count >= limit) {
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265 // if limit reach, follow is useless.
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266 break;
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267 }
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268 if (followHistory) {
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269 fileNode = repo.getFileNode(fileNode.getCopySourceName());
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270 fileNode.history(this);
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271 csetTransform.checkFailure();
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272 }
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273 } while (followHistory && fileNode.isCopy());
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274 }
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275 }
427
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276 } catch (HgRuntimeException ex) {
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277 throw new HgLibraryFailureException(ex);
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278 } finally {
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279 csetTransform = null;
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280 progressHelper.done();
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281 }
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282 }
328
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283
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284 /**
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285 * Tree-wise iteration of a file history, with handy access to parent-child relations between changesets.
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286 *
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287 * @param handler callback to process changesets.
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288 * @throws HgCallbackTargetException propagated exception from the handler
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289 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
380
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290 * @throws CancelledException if execution of the command was cancelled
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291 * @throws IllegalArgumentException if command is not satisfied with its arguments
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292 * @throws ConcurrentModificationException if this log command instance is already running
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293 */
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294 public void execute(HgChangesetTreeHandler handler) throws HgCallbackTargetException, HgException, CancelledException {
328
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295 if (handler == null) {
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296 throw new IllegalArgumentException();
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297 }
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298 if (csetTransform != null) {
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299 throw new ConcurrentModificationException();
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300 }
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301 if (file == null) {
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302 throw new IllegalArgumentException("History tree is supported for files only (at least now), please specify file");
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303 }
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304 if (followHistory) {
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305 throw new UnsupportedOperationException("Can't follow file history when building tree (yet?)");
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306 }
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307 class TreeBuildInspector implements HgChangelog.ParentInspector, HgChangelog.RevisionInspector {
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308 HistoryNode[] completeHistory;
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309 int[] commitRevisions;
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310
328
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311 public void next(int revisionNumber, Nodeid revision, int linkedRevision) {
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312 commitRevisions[revisionNumber] = linkedRevision;
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313 }
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314
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315 public void next(int revisionNumber, Nodeid revision, int parent1, int parent2, Nodeid nidParent1, Nodeid nidParent2) {
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316 HistoryNode p1 = null, p2 = null;
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317 if (parent1 != -1) {
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318 p1 = completeHistory[parent1];
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319 }
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320 if (parent2!= -1) {
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321 p2 = completeHistory[parent2];
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322 }
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323 completeHistory[revisionNumber] = new HistoryNode(commitRevisions[revisionNumber], revision, p1, p2);
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324 }
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325
366
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326 HistoryNode[] go(HgDataFile fileNode) throws HgInvalidControlFileException {
328
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327 completeHistory = new HistoryNode[fileNode.getRevisionCount()];
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328 commitRevisions = new int[completeHistory.length];
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329 fileNode.indexWalk(0, TIP, this);
328
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330 return completeHistory;
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331 }
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332 };
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333 final ProgressSupport progressHelper = getProgressSupport(handler);
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334 progressHelper.start(4);
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335 final CancelSupport cancelHelper = getCancelSupport(handler, true);
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336 cancelHelper.checkCancelled();
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337 HgDataFile fileNode = repo.getFileNode(file);
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338 // build tree of nodes according to parents in file's revlog
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339 final TreeBuildInspector treeBuildInspector = new TreeBuildInspector();
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340 final HistoryNode[] completeHistory = treeBuildInspector.go(fileNode);
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341 progressHelper.worked(1);
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342 cancelHelper.checkCancelled();
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343 ElementImpl ei = new ElementImpl(treeBuildInspector.commitRevisions.length);
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344 final ProgressSupport ph2;
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345 if (treeBuildInspector.commitRevisions.length < 100 /*XXX is it really worth it? */) {
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346 ei.initTransform();
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347 repo.getChangelog().range(ei, treeBuildInspector.commitRevisions);
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348 progressHelper.worked(1);
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349 ph2 = new ProgressSupport.Sub(progressHelper, 2);
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350 } else {
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351 ph2 = new ProgressSupport.Sub(progressHelper, 3);
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352 }
423
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diff changeset
353 ph2.start(completeHistory.length);
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diff changeset
354 // XXX shall sort completeHistory according to changeset numbers?
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parents: 419
diff changeset
355 for (int i = 0; i < completeHistory.length; i++ ) {
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parents: 419
diff changeset
356 final HistoryNode n = completeHistory[i];
427
31a89587eb04 FIXMEs: consistent names, throws for commands and their handlers. Use of checked exceptions in hi-level api
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parents: 424
diff changeset
357 handler.treeElement(ei.init(n));
423
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diff changeset
358 ph2.worked(1);
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diff changeset
359 cancelHelper.checkCancelled();
328
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360 }
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361 progressHelper.done();
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362 }
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363
64
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364 //
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365
154
ba2bf656f00f Changeset => RawChangeset
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366 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
64
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367 if (limit > 0 && count >= limit) {
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368 return;
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369 }
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370 if (branches != null && !branches.contains(cset.branch())) {
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371 return;
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372 }
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373 if (users != null) {
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374 String csetUser = cset.user().toLowerCase();
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375 boolean found = false;
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376 for (String u : users) {
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377 if (csetUser.indexOf(u) != -1) {
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378 found = true;
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379 break;
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380 }
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381 }
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382 if (!found) {
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383 return;
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384 }
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parents:
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385 }
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diff changeset
386 if (date != null) {
418
528b6780a8bd A bit of FIXME cleanup (mostly degraded to TODO post 1.0), comments and javadoc
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diff changeset
387 // TODO post-1.0 implement date support for log
64
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388 }
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389 count++;
193
37f3d4a596e4 Use common low to hi-level changeset api transformer
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diff changeset
390 csetTransform.next(revisionNumber, nodeid, cset);
64
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391 }
195
c9b305df0b89 Optimization: use ParentWalker to get changeset's parents, if possible. Do not keep duplicating nodeids and strings in manifest revisions
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392
432
1fc0da631200 Revlog.ParentWalker helper class got promoted as TLC, renamed to HgParentChildMap
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
393 private HgParentChildMap<HgChangelog> getParentHelper(boolean create) throws HgInvalidControlFileException {
328
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diff changeset
394 if (parentHelper == null && create) {
432
1fc0da631200 Revlog.ParentWalker helper class got promoted as TLC, renamed to HgParentChildMap
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parents: 431
diff changeset
395 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
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diff changeset
396 parentHelper.init();
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diff changeset
397 }
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diff changeset
398 return parentHelper;
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diff changeset
399 }
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diff changeset
400
64
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diff changeset
401
205
ffc5f6d59f7e HgLogCommand.Handler is used in few places, pull up to top-level class, HgChangesetHandler
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parents: 195
diff changeset
402 public static class CollectHandler implements HgChangesetHandler {
129
645829962785 core.Cset renamed to HgChangeset; repo.Changeset moved into HgChangelog
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diff changeset
403 private final List<HgChangeset> result = new LinkedList<HgChangeset>();
64
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diff changeset
404
129
645829962785 core.Cset renamed to HgChangeset; repo.Changeset moved into HgChangelog
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diff changeset
405 public List<HgChangeset> getChanges() {
64
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diff changeset
406 return Collections.unmodifiableList(result);
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parents:
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407 }
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parents:
diff changeset
408
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
409 public void cset(HgChangeset changeset) {
64
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parents:
diff changeset
410 result.add(changeset.clone());
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parents:
diff changeset
411 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
412 }
328
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diff changeset
413
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diff changeset
414 private static class HistoryNode {
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diff changeset
415 final int changeset;
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diff changeset
416 final Nodeid fileRevision;
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diff changeset
417 final HistoryNode parent1, parent2;
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diff changeset
418 List<HistoryNode> children;
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diff changeset
419
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diff changeset
420 HistoryNode(int cs, Nodeid revision, HistoryNode p1, HistoryNode p2) {
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diff changeset
421 changeset = cs;
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diff changeset
422 fileRevision = revision;
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diff changeset
423 parent1 = p1;
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diff changeset
424 parent2 = p2;
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diff changeset
425 if (p1 != null) {
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diff changeset
426 p1.addChild(this);
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parents: 322
diff changeset
427 }
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diff changeset
428 if (p2 != null) {
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diff changeset
429 p2.addChild(this);
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diff changeset
430 }
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parents: 322
diff changeset
431 }
a674b8590362 Move file tree history to upper API level
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diff changeset
432
a674b8590362 Move file tree history to upper API level
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diff changeset
433 void addChild(HistoryNode child) {
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parents: 322
diff changeset
434 if (children == null) {
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parents: 322
diff changeset
435 children = new ArrayList<HistoryNode>(2);
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parents: 322
diff changeset
436 }
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parents: 322
diff changeset
437 children.add(child);
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parents: 322
diff changeset
438 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
439 }
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diff changeset
440
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diff changeset
441 private class ElementImpl implements HgChangesetTreeHandler.TreeElement, HgChangelog.Inspector {
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diff changeset
442 private HistoryNode historyNode;
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diff changeset
443 private Pair<HgChangeset, HgChangeset> parents;
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diff changeset
444 private List<HgChangeset> children;
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diff changeset
445 private IntMap<HgChangeset> cachedChangesets;
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diff changeset
446 private ChangesetTransformer.Transformation transform;
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diff changeset
447 private Nodeid changesetRevision;
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diff changeset
448 private Pair<Nodeid,Nodeid> parentRevisions;
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diff changeset
449 private List<Nodeid> childRevisions;
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diff changeset
450
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diff changeset
451 public ElementImpl(int total) {
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diff changeset
452 cachedChangesets = new IntMap<HgChangeset>(total);
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diff changeset
453 }
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diff changeset
454
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diff changeset
455 ElementImpl init(HistoryNode n) {
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diff changeset
456 historyNode = n;
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diff changeset
457 parents = null;
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diff changeset
458 children = null;
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diff changeset
459 changesetRevision = null;
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diff changeset
460 parentRevisions = null;
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diff changeset
461 childRevisions = null;
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diff changeset
462 return this;
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diff changeset
463 }
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diff changeset
464
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diff changeset
465 public Nodeid fileRevision() {
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diff changeset
466 return historyNode.fileRevision;
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diff changeset
467 }
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diff changeset
468
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
469 public HgChangeset changeset() {
328
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diff changeset
470 return get(historyNode.changeset)[0];
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diff changeset
471 }
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diff changeset
472
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
473 public Pair<HgChangeset, HgChangeset> parents() {
328
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diff changeset
474 if (parents != null) {
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diff changeset
475 return parents;
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parents: 322
diff changeset
476 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
477 HistoryNode p;
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diff changeset
478 final int p1, p2;
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diff changeset
479 if ((p = historyNode.parent1) != null) {
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diff changeset
480 p1 = p.changeset;
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parents: 322
diff changeset
481 } else {
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diff changeset
482 p1 = -1;
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parents: 322
diff changeset
483 }
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diff changeset
484 if ((p = historyNode.parent2) != null) {
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diff changeset
485 p2 = p.changeset;
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parents: 322
diff changeset
486 } else {
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diff changeset
487 p2 = -1;
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diff changeset
488 }
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diff changeset
489 HgChangeset[] r = get(p1, p2);
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diff changeset
490 return parents = new Pair<HgChangeset, HgChangeset>(r[0], r[1]);
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diff changeset
491 }
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parents: 322
diff changeset
492
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
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parents: 419
diff changeset
493 public Collection<HgChangeset> children() {
328
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diff changeset
494 if (children != null) {
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diff changeset
495 return children;
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parents: 322
diff changeset
496 }
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diff changeset
497 if (historyNode.children == null) {
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diff changeset
498 children = Collections.emptyList();
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diff changeset
499 } else {
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diff changeset
500 int[] childrentChangesetNumbers = new int[historyNode.children.size()];
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diff changeset
501 int j = 0;
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parents: 322
diff changeset
502 for (HistoryNode hn : historyNode.children) {
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diff changeset
503 childrentChangesetNumbers[j++] = hn.changeset;
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parents: 322
diff changeset
504 }
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diff changeset
505 children = Arrays.asList(get(childrentChangesetNumbers));
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parents: 322
diff changeset
506 }
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
507 return children;
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parents: 322
diff changeset
508 }
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parents: 322
diff changeset
509
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diff changeset
510 void populate(HgChangeset cs) {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
511 cachedChangesets.put(cs.getRevisionIndex(), cs);
328
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parents: 322
diff changeset
512 }
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parents: 322
diff changeset
513
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
514 private HgChangeset[] get(int... changelogRevisionIndex) {
403
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
515 HgChangeset[] rv = new HgChangeset[changelogRevisionIndex.length];
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
516 IntVector misses = new IntVector(changelogRevisionIndex.length, -1);
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
517 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
518 if (changelogRevisionIndex[i] == -1) {
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
519 rv[i] = null;
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parents: 322
diff changeset
520 continue;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
521 }
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
522 HgChangeset cached = cachedChangesets.get(changelogRevisionIndex[i]);
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
523 if (cached != null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
524 rv[i] = cached;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
525 } else {
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
526 misses.add(changelogRevisionIndex[i]);
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
527 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
528 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
529 if (misses.size() > 0) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
530 final int[] changesets2read = misses.toArray();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
531 initTransform();
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
532 repo.getChangelog().range(this, changesets2read);
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parents: 322
diff changeset
533 for (int changeset2read : changesets2read) {
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parents: 322
diff changeset
534 HgChangeset cs = cachedChangesets.get(changeset2read);
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
535 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
536 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
537 throw t.setRevisionIndex(changeset2read);
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
538 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
539 // 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
540 // thus need to find original index
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
541 boolean sanity = false;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
542 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
543 if (changelogRevisionIndex[i] == cs.getRevisionIndex()) {
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
544 rv[i] = cs;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
545 sanity = true;
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
546 break;
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
547 }
403
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
548 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
549 if (!sanity) {
456
909306e412e2 Refactor LogFacility and SessionContext, better API for both
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 432
diff changeset
550 HgInternals.getContext(repo).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
551 }
2747b0723867 FIXMEs: work on exceptions and javadoc
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 402
diff changeset
552 assert sanity;
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
553 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
554 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
555 return rv;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
556 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
557
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
558 // 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
559 void initTransform() throws HgRuntimeException {
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
560 if (transform == null) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
561 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
562 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
563 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
564
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
565 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
566 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
567 populate(cs.clone());
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
568 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
569
423
9c9c442b5f2e Major refactoring of exception handling. Low-level API uses RuntimeExceptions, while checked are left for higher level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 419
diff changeset
570 public Nodeid changesetRevision() {
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
571 if (changesetRevision == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
572 changesetRevision = getRevision(historyNode.changeset);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
573 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
574 return changesetRevision;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
575 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
576
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
577 public Pair<Nodeid, Nodeid> parentRevisions() {
328
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
578 if (parentRevisions == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
579 HistoryNode p;
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Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
580 final Nodeid p1, p2;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
581 if ((p = historyNode.parent1) != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
582 p1 = getRevision(p.changeset);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
583 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
584 p1 = Nodeid.NULL;;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
585 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
586 if ((p = historyNode.parent2) != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
587 p2 = getRevision(p.changeset);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
588 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
589 p2 = Nodeid.NULL;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
590 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
591 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
592 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
593 return parentRevisions;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
594 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
595
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
596 public Collection<Nodeid> childRevisions() {
328
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
597 if (childRevisions != null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
598 return childRevisions;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
599 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
600 if (historyNode.children == null) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
601 childRevisions = Collections.emptyList();
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
602 } else {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
603 ArrayList<Nodeid> rv = new ArrayList<Nodeid>(historyNode.children.size());
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
604 for (HistoryNode hn : historyNode.children) {
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
605 rv.add(getRevision(hn.changeset));
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
606 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
607 childRevisions = Collections.unmodifiableList(rv);
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
608 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
609 return childRevisions;
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
610 }
a674b8590362 Move file tree history to upper API level
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 322
diff changeset
611
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612 // reading nodeid involves reading index only, guess, can afford not to optimize multiple reads
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613 private Nodeid getRevision(int changelogRevisionNumber) {
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614 // TODO post-1.0 pipe through pool
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615 HgChangeset cs = cachedChangesets.get(changelogRevisionNumber);
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616 if (cs != null) {
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617 return cs.getNodeid();
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618 } else {
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619 return repo.getChangelog().getRevision(changelogRevisionNumber);
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620 }
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621 }
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622 }
64
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623 }