Mercurial > hg4j

annotate src/org/tmatesoft/hg/repo/HgRepository.java @ 539:9edfd5a223b8

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Commit: handle empty repository case
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 13 Feb 2013 18:44:58 +0100
parents 2f9ed6bcefa2
children e4ee4bf4c7d0
rev   line source
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382cfe9463db Dirstate parsing. DataAccess refactored to allow reuse and control over constants
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1 /*
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2 * Copyright (c) 2010-2013 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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a3a2e5deb320 Updated contact address to support@hg4j.com
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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.repo;
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6c67debed07e Distinguish files in wc from files under repo root, use these constants
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19 import static org.tmatesoft.hg.repo.HgRepositoryFiles.*;
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20 import static org.tmatesoft.hg.util.LogFacility.Severity.*;
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22 import java.io.File;
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23 import java.io.FileReader;
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24 import java.io.IOException;
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25 import java.io.StringReader;
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26 import java.lang.ref.SoftReference;
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27 import java.nio.CharBuffer;
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28 import java.util.ArrayList;
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29 import java.util.Collections;
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30 import java.util.HashMap;
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31 import java.util.List;
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33 import org.tmatesoft.hg.core.Nodeid;
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34 import org.tmatesoft.hg.core.SessionContext;
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35 import org.tmatesoft.hg.internal.ByteArrayChannel;
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36 import org.tmatesoft.hg.internal.ConfigFile;
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37 import org.tmatesoft.hg.internal.DirstateReader;
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38 import org.tmatesoft.hg.internal.Experimental;
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39 import org.tmatesoft.hg.internal.Filter;
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40 import org.tmatesoft.hg.internal.Internals;
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41 import org.tmatesoft.hg.internal.PropertyMarshal;
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42 import org.tmatesoft.hg.internal.RevlogStream;
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43 import org.tmatesoft.hg.internal.SubrepoManager;
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44 import org.tmatesoft.hg.repo.ext.HgExtensionsManager;
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45 import org.tmatesoft.hg.util.CancelledException;
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46 import org.tmatesoft.hg.util.Pair;
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47 import org.tmatesoft.hg.util.Path;
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48 import org.tmatesoft.hg.util.PathRewrite;
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49 import org.tmatesoft.hg.util.ProgressSupport;
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53 /**
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54 * Shall be as state-less as possible, all the caching happens outside the repo, in commands/walkers
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55 *
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56 * @author Artem Tikhomirov
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57 * @author TMate Software Ltd.
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58 */
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59 public final class HgRepository implements SessionContext.Source {
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61 // IMPORTANT: if new constants added, consider fixing HgInternals#wrongRevisionIndex and HgInvalidRevisionException#getMessage
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63 /**
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64 * Revision index constant to indicate most recent revision
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65 */
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66 public static final int TIP = -3; // XXX TIP_REVISION?
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68 /**
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69 * Revision index constant to indicate invalid revision index value.
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70 * Primary use is default/uninitialized values where user input is expected and as return value where
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71 * an exception (e.g. {@link HgInvalidRevisionException}) is not desired
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72 */
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73 public static final int BAD_REVISION = Integer.MIN_VALUE; // XXX INVALID_REVISION?
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75 /**
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76 * Revision index constant to indicate working copy
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77 */
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78 public static final int WORKING_COPY = -2; // XXX WORKING_COPY_REVISION?
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80 /**
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81 * Constant ({@value #NO_REVISION}) to indicate revision absence or a fictitious revision of an empty repository.
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82 *
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83 * <p>Revision absence is vital e.g. for missing parent from {@link HgChangelog#parents(int, int[], byte[], byte[])} call and
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84 * to report cases when changeset records no corresponding manifest
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85 * revision {@link HgManifest#walk(int, int, org.tmatesoft.hg.repo.HgManifest.Inspector)}.
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86 *
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87 * <p> Use as imaginary revision/empty repository is handy as an argument (contrary to {@link #BAD_REVISION})
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88 * e.g in a status operation to visit changes from the very beginning of a repository.
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89 */
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90 public static final int NO_REVISION = -1;
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92 /**
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93 * Name of the primary branch, "default".
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94 */
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95 public static final String DEFAULT_BRANCH_NAME = "default";
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97 private final File repoDir; // .hg folder
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98 private final File workingDir; // .hg/../
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99 private final String repoLocation;
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100 /*
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101 * normalized slashes but otherwise regular file names
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102 * the only front-end path rewrite, kept here as rest of the library shall
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103 * not bother with names normalization.
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104 */
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105 private final PathRewrite normalizePath;
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106 private final SessionContext sessionContext;
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107
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108 private HgChangelog changelog;
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109 private HgManifest manifest;
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110 private HgTags tags;
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111 private HgBranches branches;
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112 private HgMergeState mergeState;
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113 private SubrepoManager subRepos;
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114 private HgBookmarks bookmarks;
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115 private HgExtensionsManager extManager;
220
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116
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117 // XXX perhaps, shall enable caching explicitly
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118 private final HashMap<Path, SoftReference<RevlogStream>> streamsCache = new HashMap<Path, SoftReference<RevlogStream>>();
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119
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120 private final org.tmatesoft.hg.internal.Internals impl;
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121 private HgIgnore ignore;
331
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122 private HgRepoConfig repoConfig;
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123
430
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124 /*
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125 * TODO [post-1.0] move to a better place, e.g. WorkingCopy container that tracks both dirstate and branches
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126 * (and, perhaps, undo, lastcommit and other similar information), and is change listener so that we don't need to
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127 * worry about this cached value become stale
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128 */
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129 private String wcBranch;
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130
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131
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132 HgRepository(String repositoryPath) {
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133 repoDir = null;
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134 workingDir = null;
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135 repoLocation = repositoryPath;
142
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136 normalizePath = null;
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137 sessionContext = null;
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138 impl = null;
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139 }
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140
425
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141 /**
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142 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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143 */
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144 HgRepository(SessionContext ctx, String repositoryPath, File repositoryRoot) throws HgRuntimeException {
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145 assert ".hg".equals(repositoryRoot.getName()) && repositoryRoot.isDirectory();
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146 assert repositoryPath != null;
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147 assert repositoryRoot != null;
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148 assert ctx != null;
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149 repoDir = repositoryRoot;
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150 workingDir = repoDir.getParentFile();
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151 if (workingDir == null) {
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152 throw new IllegalArgumentException(repoDir.toString());
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153 }
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154 repoLocation = repositoryPath;
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155 sessionContext = ctx;
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156 impl = new org.tmatesoft.hg.internal.Internals(this, repositoryRoot);
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157 normalizePath = impl.buildNormalizePathRewrite();
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158 }
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159
145
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160 @Override
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161 public String toString() {
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162 return getClass().getSimpleName() + "[" + getLocation() + (isInvalid() ? "(BAD)" : "") + "]";
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163 }
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164
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165 /**
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166 * Path to repository which has been used to initialize this instance. The value is always present, even
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167 * if no repository has been found at that location ({@link #isInvalid()} is <code>true</code>) and serves
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168 * as an extra description of the failure.
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169 *
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170 * <p> It's important to understand this is purely descriptive attribute, it's kept as close as possible to
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171 * original value users supply to {@link HgLookup}. To get actual repository location, use methods that
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172 * provide {@link File}, e.g. {@link #getWorkingDir()}
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173 *
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174 * @return repository location information, never <code>null</code>
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175 */
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176 public String getLocation() {
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177 return repoLocation;
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178 }
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179
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180 public boolean isInvalid() {
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181 return impl == null || impl.isInvalid();
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182 }
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183
97
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184 public HgChangelog getChangelog() {
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185 if (changelog == null) {
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186 File chlogFile = impl.getFileFromStoreDir("00changelog.i");
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187 RevlogStream content = new RevlogStream(impl.getDataAccess(), chlogFile);
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188 changelog = new HgChangelog(this, content);
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189 }
388
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190 return changelog;
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191 }
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192
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193 public HgManifest getManifest() {
388
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194 if (manifest == null) {
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195 File manifestFile = impl.getFileFromStoreDir("00manifest.i");
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196 RevlogStream content = new RevlogStream(impl.getDataAccess(), manifestFile);
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197 manifest = new HgManifest(this, content, impl.buildFileNameEncodingHelper());
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198 }
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199 return manifest;
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200 }
50
f1db8610da62 Log to consult (placeholder, for now) class to find out associated tags
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201
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202 /**
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203 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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204 */
318
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205 public HgTags getTags() throws HgInvalidControlFileException {
50
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206 if (tags == null) {
234
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207 tags = new HgTags(this);
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208 HgDataFile hgTags = getFileNode(HgTags.getPath());
318
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209 if (hgTags.exists()) {
418
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210 for (int i = 0; i <= hgTags.getLastRevision(); i++) { // TODO post-1.0 in fact, would be handy to have walk(start,end)
318
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211 // method for data files as well, though it looks odd.
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212 try {
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213 ByteArrayChannel sink = new ByteArrayChannel();
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214 hgTags.content(i, sink);
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215 final String content = new String(sink.toArray(), "UTF8");
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216 tags.readGlobal(new StringReader(content));
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diff changeset
217 } catch (CancelledException ex) {
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diff changeset
218 // IGNORE, can't happen, we did not configure cancellation
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219 getSessionContext().getLog().dump(getClass(), Debug, ex, null);
318
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220 } catch (IOException ex) {
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221 // UnsupportedEncodingException can't happen (UTF8)
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222 // only from readGlobal. Need to reconsider exceptions thrown from there:
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223 // BufferedReader wraps String and unlikely to throw IOException, perhaps, log is enough?
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224 getSessionContext().getLog().dump(getClass(), Error, ex, null);
318
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225 // XXX need to decide what to do this. failure to read single revision shall not break complete cycle
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diff changeset
226 }
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diff changeset
227 }
318
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228 }
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diff changeset
229 File file2read = null;
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diff changeset
230 try {
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diff changeset
231 file2read = new File(getWorkingDir(), HgTags.getPath());
318
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232 tags.readGlobal(file2read); // XXX replace with HgDataFile.workingCopy
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233 file2read = impl.getFileFromRepoDir(HgLocalTags.getName()); // XXX pass internalrepo to readLocal, keep filename there
318
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234 tags.readLocal(file2read);
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235 } catch (IOException ex) {
490
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236 getSessionContext().getLog().dump(getClass(), Error, ex, null);
318
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237 throw new HgInvalidControlFileException("Failed to read tags", ex, file2read);
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238 }
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239 }
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240 return tags;
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241 }
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242
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243 /**
484
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244 * Access branch information
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245 * @return branch manager instance, never <code>null</code>
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246 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
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247 */
366
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248 public HgBranches getBranches() throws HgInvalidControlFileException {
220
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249 if (branches == null) {
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250 branches = new HgBranches(impl);
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251 branches.collect(ProgressSupport.Factory.get(null));
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252 }
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253 return branches;
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254 }
231
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255
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256 /**
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257 * Access state of the recent merge
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258 * @return merge state facility, never <code>null</code>
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259 */
231
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260 public HgMergeState getMergeState() {
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261 if (mergeState == null) {
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262 mergeState = new HgMergeState(impl);
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263 }
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264 return mergeState;
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265 }
220
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266
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267 public HgDataFile getFileNode(String path) {
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268 CharSequence nPath = normalizePath.rewrite(path);
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269 Path p = Path.create(nPath);
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270 return getFileNode(p);
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271 }
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272
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273 public HgDataFile getFileNode(Path path) {
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274 RevlogStream content = resolveStoreFile(path);
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275 if (content == null) {
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276 return new HgDataFile(this, path);
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277 }
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278 return new HgDataFile(this, path, content);
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279 }
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280
142
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281 /* clients need to rewrite path from their FS to a repository-friendly paths, and, perhaps, vice versa*/
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282 public PathRewrite getToRepoPathHelper() {
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283 return normalizePath;
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284 }
284
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285
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286 /**
348
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287 * @return pair of values, {@link Pair#first()} and {@link Pair#second()} are respective parents, never <code>null</code>.
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288 * @throws HgInvalidControlFileException if attempt to read information about working copy parents from dirstate failed
284
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289 */
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290 public Pair<Nodeid,Nodeid> getWorkingCopyParents() throws HgInvalidControlFileException {
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291 return DirstateReader.readParents(impl);
235
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292 }
252
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293
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294 /**
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295 * @return name of the branch associated with working directory, never <code>null</code>.
348
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296 * @throws HgInvalidControlFileException if attempt to read branch name failed.
252
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297 */
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298 public String getWorkingCopyBranchName() throws HgInvalidControlFileException {
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299 if (wcBranch == null) {
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300 wcBranch = DirstateReader.readBranch(impl);
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301 }
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302 return wcBranch;
252
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303 }
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304
237
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305 /**
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306 * @return location where user files (shall) reside
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307 */
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308 public File getWorkingDir() {
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309 return workingDir;
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310 }
239
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311
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312 /**
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313 * Provides access to sub-repositories defined in this repository. Enumerated sub-repositories are those directly
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314 * known, not recursive collection of all nested sub-repositories.
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315 * @return list of all known sub-repositories in this repository, or empty list if none found.
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316 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
239
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317 */
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318 public List<HgSubrepoLocation> getSubrepositories() throws HgInvalidControlFileException {
239
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319 if (subRepos == null) {
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320 subRepos = new SubrepoManager(this);
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321 subRepos.read();
239
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322 }
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323 return subRepos.all();
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324 }
237
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325
331
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326
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327 public HgRepoConfig getConfiguration() /* XXX throws HgInvalidControlFileException? Description of the exception suggests it is only for files under ./hg/*/ {
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328 if (repoConfig == null) {
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329 try {
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330 ConfigFile configFile = impl.readConfiguration();
331
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331 repoConfig = new HgRepoConfig(configFile);
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332 } catch (IOException ex) {
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333 String m = "Errors while reading user configuration file";
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334 getSessionContext().getLog().dump(getClass(), Warn, ex, m);
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335 return new HgRepoConfig(new ConfigFile(getSessionContext())); // empty config, do not cache, allow to try once again
331
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336 //throw new HgInvalidControlFileException(m, ex, null);
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337 }
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338 }
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339 return repoConfig;
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340 }
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341
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342 // There seem to be no cases when access to HgDirstate is required from outside
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343 // (guess, working dir/revision walkers may hide dirstate access and no public visibility needed)
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344 /*package-local*/ final HgDirstate loadDirstate(Path.Source pathFactory) throws HgInvalidControlFileException {
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345 PathRewrite canonicalPath = null;
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346 if (!impl.isCaseSensitiveFileSystem()) {
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347 canonicalPath = new PathRewrite() {
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348
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349 public CharSequence rewrite(CharSequence path) {
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350 return path.toString().toLowerCase();
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351 }
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352 };
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353 }
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354 HgDirstate ds = new HgDirstate(impl, pathFactory, canonicalPath);
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355 ds.read();
348
a0864b2892cd Expose errors reading mercurial control files with exception
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356 return ds;
74
6f1b88693d48 Complete refactoring to org.tmatesoft
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357 }
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358
289
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359 /**
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360 * Access to configured set of ignored files.
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361 * @see HgIgnore#isIgnored(Path)
482
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362 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
289
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363 */
482
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364 public HgIgnore getIgnore() throws HgInvalidControlFileException {
91
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365 // TODO read config for additional locations
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366 if (ignore == null) {
409
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367 ignore = new HgIgnore(getToRepoPathHelper());
482
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368 File ignoreFile = new File(getWorkingDir(), HgIgnore.getPath());
91
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369 try {
335
3d41dc148d14 Do not fail with exception on syntax errors in .hgignore
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370 final List<String> errors = ignore.read(ignoreFile);
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371 if (errors != null) {
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diff changeset
372 getSessionContext().getLog().dump(getClass(), Warn, "Syntax errors parsing %s:\n%s", ignoreFile.getName(), Internals.join(errors, ",\n"));
335
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373 }
91
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374 } catch (IOException ex) {
482
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375 final String m = String.format("Error reading %s file", ignoreFile);
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376 throw new HgInvalidControlFileException(m, ex, ignoreFile);
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377 }
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378 }
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379 return ignore;
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6f1b88693d48 Complete refactoring to org.tmatesoft
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380 }
482
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381
481
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diff changeset
382 /**
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383 * Mercurial saves message user has supplied for a commit to facilitate message re-use in case commit fails.
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384 * This method provides this saved message.
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385 *
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386 * @return message used for last commit attempt, or <code>null</code> if none
482
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387 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
481
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388 */
482
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diff changeset
389 public String getCommitLastMessage() throws HgInvalidControlFileException {
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)
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diff changeset
390 File lastMessage = impl.getFileFromRepoDir(LastMessage.getPath());
481
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diff changeset
391 if (!lastMessage.canRead()) {
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392 return null;
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diff changeset
393 }
a458f9fb00ce Access to user-supplied message of last commit
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diff changeset
394 FileReader fr = null;
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diff changeset
395 try {
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diff changeset
396 fr = new FileReader(lastMessage);
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diff changeset
397 CharBuffer cb = CharBuffer.allocate(Internals.ltoi(lastMessage.length()));
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diff changeset
398 fr.read(cb);
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diff changeset
399 return cb.flip().toString();
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diff changeset
400 } catch (IOException ex) {
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diff changeset
401 throw new HgInvalidControlFileException("Can't retrieve message of last commit attempt", ex, lastMessage);
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diff changeset
402 } finally {
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diff changeset
403 if (fr != null) {
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
404 try {
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
405 fr.close();
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
406 } catch (IOException ex) {
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)
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parents: 488
diff changeset
407 getSessionContext().getLog().dump(getClass(), Warn, "Failed to close %s after read", lastMessage);
481
a458f9fb00ce Access to user-supplied message of last commit
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parents: 471
diff changeset
408 }
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
409 }
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
410 }
a458f9fb00ce Access to user-supplied message of last commit
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 471
diff changeset
411 }
486
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
412
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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diff changeset
413 private HgRepositoryLock wdLock, storeLock;
486
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parents: 484
diff changeset
414
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
415 /**
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
416 * PROVISIONAL CODE, DO NOT USE
d740edfff563 Provisional support for Mercurial lock mechanism
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diff changeset
417 *
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diff changeset
418 * Access repository lock that covers non-store parts of the repository (dirstate, branches, etc -
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
419 * everything that has to do with working directory state).
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diff changeset
420 *
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diff changeset
421 * Note, the lock object returned merely gives access to lock mechanism. NO ACTUAL LOCKING IS DONE.
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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parents: 486
diff changeset
422 * Use {@link HgRepositoryLock#acquire()} to actually lock the repository.
486
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
423 *
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
424 * @return lock object, never <code>null</code>
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parents: 484
diff changeset
425 */
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parents: 484
diff changeset
426 @Experimental(reason="WORK IN PROGRESS")
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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parents: 486
diff changeset
427 public HgRepositoryLock getWorkingDirLock() {
486
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
428 if (wdLock == null) {
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
429 int timeout = getLockTimeout();
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: 488
diff changeset
430 File lf = impl.getFileFromRepoDir("wlock");
486
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
431 synchronized (this) {
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
432 if (wdLock == null) {
488
45b3b6ca046f Repository locking mechanism is alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
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diff changeset
433 wdLock = new HgRepositoryLock(lf, timeout);
486
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
434 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
435 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
436 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
437 return wdLock;
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
438 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
439
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
440 @Experimental(reason="WORK IN PROGRESS")
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
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parents: 486
diff changeset
441 public HgRepositoryLock getStoreLock() {
486
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
442 if (storeLock == null) {
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
443 int timeout = getLockTimeout();
493
ba36f66c32b4 Refactor to keep knowledge about repository control files and their location in respect to .hg/ in a single place (facilitate future adoption of shared repositories)
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 491
diff changeset
444 File fl = impl.getFileFromStoreDir("lock");
486
d740edfff563 Provisional support for Mercurial lock mechanism
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parents: 484
diff changeset
445 synchronized (this) {
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
446 if (storeLock == null) {
488
45b3b6ca046f Repository locking mechanism is alive
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 487
diff changeset
447 storeLock = new HgRepositoryLock(fl, timeout);
486
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
448 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
449 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
450 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
451 return storeLock;
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
452 }
d740edfff563 Provisional support for Mercurial lock mechanism
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 484
diff changeset
453
484
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
454 /**
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
455 * Access bookmarks-related functionality
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
456 * @return facility to manage bookmarks, never <code>null</code>
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
457 * @throws HgRuntimeException subclass thereof to indicate issues with the library. <em>Runtime exception</em>
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
458 */
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
459 public HgBookmarks getBookmarks() throws HgInvalidControlFileException {
ae4d6604debd Bookmarks support added
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parents: 483
diff changeset
460 if (bookmarks == null) {
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: 488
diff changeset
461 bookmarks = new HgBookmarks(impl);
484
ae4d6604debd Bookmarks support added
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diff changeset
462 bookmarks.read();
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
463 }
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
464 return bookmarks;
ae4d6604debd Bookmarks support added
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 483
diff changeset
465 }
501
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
466
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
467 public HgExtensionsManager getExtensions() {
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
468 if (extManager == null) {
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
469 class EM extends HgExtensionsManager {
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
470 EM() {
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
471 super(HgRepository.this.getImplHelper());
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
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parents: 493
diff changeset
472 }
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
473 }
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
474 extManager = new EM();
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
475 }
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
476 return extManager;
d2f6ab541330 Change the way extensions are accessed (with ExtensionsManager now), add preliminary Rebase extension support
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 493
diff changeset
477 }
74
6f1b88693d48 Complete refactoring to org.tmatesoft
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 68
diff changeset
478
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)
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479 /**
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480 * @return session environment of the repository
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481 */
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)
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diff changeset
482 public SessionContext getSessionContext() {
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)
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483 return sessionContext;
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484 }
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485
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486 /**
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487 * Perhaps, should be separate interface, like ContentLookup
493
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488 * @param path - normalized file name
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489 * @return <code>null</code> if path doesn't resolve to a existing file
2
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490 */
493
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parents: 491
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491 /*package-local*/ RevlogStream resolveStoreFile(Path path) {
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492 final SoftReference<RevlogStream> ref = streamsCache.get(path);
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493 RevlogStream cached = ref == null ? null : ref.get();
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494 if (cached != null) {
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495 return cached;
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496 }
493
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497 File f = impl.getFileFromDataDir(path);
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498 if (f.exists()) {
490
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parents: 488
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499 RevlogStream s = new RevlogStream(impl.getDataAccess(), f);
388
b015f3918120 Work on FIXME: correct HgDataFile#workingCopy with tests; BasicSessionContext with property override; platform-specific options to internals
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 367
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500 if (impl.shallCacheRevlogs()) {
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501 streamsCache.put(path, new SoftReference<RevlogStream>(s));
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502 }
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503 return s;
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504 }
493
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505 return null;
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506 }
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507
539
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508 /*package-local*/ RevlogStream createStoreFile(Path path) throws HgInvalidControlFileException {
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parents: 526
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509 File f = impl.getFileFromDataDir(path);
493
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510 try {
539
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diff changeset
511 if (!f.exists()) {
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512 f.getParentFile().mkdirs();
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parents: 526
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513 f.createNewFile();
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514 }
9edfd5a223b8 Commit: handle empty repository case
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parents: 526
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515 RevlogStream s = new RevlogStream(impl.getDataAccess(), f);
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parents: 526
diff changeset
516 if (impl.shallCacheRevlogs()) {
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parents: 526
diff changeset
517 streamsCache.put(path, new SoftReference<RevlogStream>(s));
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518 }
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519 return s;
493
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520 } catch (IOException ex) {
539
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521 throw new HgInvalidControlFileException("Can't create a file in the storage", ex, f);
493
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diff changeset
522 }
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523 }
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524
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diff changeset
525 /*package-local*/ List<Filter> getFiltersFromRepoToWorkingDir(Path p) {
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diff changeset
526 return instantiateFilters(p, new Filter.Options(Filter.Direction.FromRepo));
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527 }
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528
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parents: 104
diff changeset
529 /*package-local*/ List<Filter> getFiltersFromWorkingDirToRepo(Path p) {
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parents: 104
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530 return instantiateFilters(p, new Filter.Options(Filter.Direction.ToRepo));
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531 }
237
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parents: 235
diff changeset
532
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parents: 235
diff changeset
533 /*package-local*/ File getFile(HgDataFile dataFile) {
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parents: 235
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534 return new File(getWorkingDir(), dataFile.getPath().toString());
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535 }
295
981f9f50bb6c Issue 11: Error log facility. SessionContext to share common facilities
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parents: 292
diff changeset
536
412
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
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parents: 409
diff changeset
537 /*package-local*/ Internals getImplHelper() {
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
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parents: 409
diff changeset
538 return impl;
63c5a9d7ca3f Follow-up for Issue 29: unify path translation for manifest and dirstate
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parents: 409
diff changeset
539 }
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540
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diff changeset
541 private List<Filter> instantiateFilters(Path p, Filter.Options opts) {
490
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542 List<Filter.Factory> factories = impl.getFilters();
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diff changeset
543 if (factories.isEmpty()) {
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diff changeset
544 return Collections.emptyList();
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parents: 104
diff changeset
545 }
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diff changeset
546 ArrayList<Filter> rv = new ArrayList<Filter>(factories.size());
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diff changeset
547 for (Filter.Factory ff : factories) {
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diff changeset
548 Filter f = ff.create(p, opts);
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parents: 104
diff changeset
549 if (f != null) {
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diff changeset
550 rv.add(f);
46291ec605a0 Filters to read and initialize according to configuration files
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diff changeset
551 }
46291ec605a0 Filters to read and initialize according to configuration files
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diff changeset
552 }
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diff changeset
553 return rv;
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parents: 104
diff changeset
554 }
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
555
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
556 private int getLockTimeout() {
504
bf352ce2b97f Allow to override lock timeout from within Hg4J
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 501
diff changeset
557 int cfgValue = getConfiguration().getIntegerValue("ui", "timeout", 600);
bf352ce2b97f Allow to override lock timeout from within Hg4J
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 501
diff changeset
558 if (getSessionContext().getConfigurationProperty(Internals.CFG_PROPERTY_FS_LOCK_TIMEOUT, null) != null) {
bf352ce2b97f Allow to override lock timeout from within Hg4J
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parents: 501
diff changeset
559 return new PropertyMarshal(sessionContext).getInt(Internals.CFG_PROPERTY_FS_LOCK_TIMEOUT, cfgValue);
bf352ce2b97f Allow to override lock timeout from within Hg4J
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parents: 501
diff changeset
560 }
bf352ce2b97f Allow to override lock timeout from within Hg4J
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parents: 501
diff changeset
561 return cfgValue;
487
db48a77ec8ff Access to reposiotry lock mechanism via HgRepositoryLock
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents: 486
diff changeset
562 }
0
dbd663faec1f Basic changelog parsing
Artem Tikhomirov <tikhomirov.artem@gmail.com>
parents:
diff changeset
563 }