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annotate src/org/tmatesoft/hg/core/HgAddRemoveCommand.java @ 705:b4242b7e7dfe

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Merge command: implement conflict resolution alternatives
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 15 Aug 2013 18:43:50 +0200
parents 65c01508f002
children
rev   line source
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1 /*
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2 * Copyright (c) 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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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 java.util.LinkedHashSet;
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20
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21 import org.tmatesoft.hg.internal.DirstateBuilder;
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22 import org.tmatesoft.hg.internal.DirstateReader;
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23 import org.tmatesoft.hg.internal.Internals;
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24 import org.tmatesoft.hg.internal.Transaction;
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25 import org.tmatesoft.hg.repo.HgManifest.Flags;
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26 import org.tmatesoft.hg.repo.HgRepository;
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27 import org.tmatesoft.hg.repo.HgRepositoryLock;
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28 import org.tmatesoft.hg.repo.HgRuntimeException;
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29 import org.tmatesoft.hg.util.CancelSupport;
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30 import org.tmatesoft.hg.util.CancelledException;
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31 import org.tmatesoft.hg.util.Path;
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32 import org.tmatesoft.hg.util.ProgressSupport;
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33
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34 /**
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35 * Schedule files for addition and removal
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36 * XXX and, perhaps, forget() functionality shall be here as well?
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37 *
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38 * @since 1.1
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39 * @author Artem Tikhomirov
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40 * @author TMate Software Ltd.
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41 */
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42 public class HgAddRemoveCommand extends HgAbstractCommand<HgAddRemoveCommand> {
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43
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44 private final HgRepository repo;
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45 private final LinkedHashSet<Path> toAdd, toRemove;
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46
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47 public HgAddRemoveCommand(HgRepository hgRepo) {
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48 repo = hgRepo;
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49 toAdd = new LinkedHashSet<Path>();
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50 toRemove = new LinkedHashSet<Path>();
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51 }
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52
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53 /**
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54 * Schedule specified files to get listed in dirstate as added
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55 *
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56 * @param paths files to mark as added, additive
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57 * @return <code>this</code> for convenience
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58 */
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59 public HgAddRemoveCommand add(Path... paths) {
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60 if (paths == null) {
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61 throw new IllegalArgumentException();
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62 }
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63 for (Path p : paths) {
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64 toRemove.remove(p);
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65 toAdd.add(p);
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66 }
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67 return this;
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68 }
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69
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70 /**
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71 * Schedule specified files to be marked as removed
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72 *
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73 * @param paths files to mark as removed, additive
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74 * @return <code>this</code> for convenience
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75 */
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76 public HgAddRemoveCommand remove(Path... paths) {
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77 if (paths == null) {
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78 throw new IllegalArgumentException();
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79 }
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80 for (Path p : paths) {
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81 toAdd.remove(p);
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82 toRemove.add(p);
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83 }
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84 return this;
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85 }
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86
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87 public HgAddRemoveCommand addAll() {
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88 throw Internals.notImplemented();
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89 }
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90
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91 public HgAddRemoveCommand forget(Path path) {
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92 throw Internals.notImplemented();
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93 }
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94
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95 /**
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96 * Perform scheduled addition/removal
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97 *
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98 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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99 * @throws HgRepositoryLockException if failed to lock the repo for modifications
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100 * @throws CancelledException if execution of the command was cancelled
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101 */
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102 public void execute() throws HgException, HgRepositoryLockException, CancelledException {
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103 final HgRepositoryLock wdLock = repo.getWorkingDirLock();
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104 wdLock.acquire();
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105 try {
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106 final ProgressSupport progress = getProgressSupport(null);
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107 final CancelSupport cancellation = getCancelSupport(null, true);
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108 cancellation.checkCancelled();
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109 progress.start(2 + toAdd.size() + toRemove.size());
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110 Internals implRepo = Internals.getInstance(repo);
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111 final DirstateBuilder dirstateBuilder = new DirstateBuilder(implRepo);
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112 dirstateBuilder.fillFrom(new DirstateReader(implRepo, new Path.SimpleSource()));
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113 progress.worked(1);
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114 cancellation.checkCancelled();
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115 for (Path p : toAdd) {
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116 dirstateBuilder.recordAdded(p, Flags.RegularFile, -1);
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117 progress.worked(1);
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118 cancellation.checkCancelled();
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119 }
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120 for (Path p : toRemove) {
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121 dirstateBuilder.recordRemoved(p);
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122 progress.worked(1);
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123 cancellation.checkCancelled();
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124 }
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125 Transaction.Factory trFactory = implRepo.getTransactionFactory();
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126 Transaction tr = trFactory.create(repo);
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127 try {
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128 dirstateBuilder.serialize(tr);
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129 tr.commit();
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130 } catch (RuntimeException ex) {
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131 tr.rollback();
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132 throw ex;
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133 } catch (HgException ex) {
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134 tr.rollback();
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135 throw ex;
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136 }
581
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137 progress.worked(1);
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138 progress.done();
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139 } catch (HgRuntimeException ex) {
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140 throw new HgLibraryFailureException(ex);
617
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141 } finally {
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142 wdLock.release();
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143 }
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144 }
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145 }