Mercurial > jhg

annotate src/org/tmatesoft/hg/core/HgAddRemoveCommand.java @ 656:a937e63b6e02

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author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Thu, 04 Jul 2013 18:40:03 +0200
parents 65c01508f002
children b4242b7e7dfe
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.COWTransaction;
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22 import org.tmatesoft.hg.internal.DirstateBuilder;
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23 import org.tmatesoft.hg.internal.DirstateReader;
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24 import org.tmatesoft.hg.internal.Internals;
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25 import org.tmatesoft.hg.internal.Transaction;
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26 import org.tmatesoft.hg.repo.HgManifest.Flags;
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27 import org.tmatesoft.hg.repo.HgRepository;
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28 import org.tmatesoft.hg.repo.HgRepositoryLock;
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29 import org.tmatesoft.hg.repo.HgRuntimeException;
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30 import org.tmatesoft.hg.util.CancelSupport;
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31 import org.tmatesoft.hg.util.CancelledException;
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32 import org.tmatesoft.hg.util.Path;
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33 import org.tmatesoft.hg.util.ProgressSupport;
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34
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35 /**
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36 * Schedule files for addition and removal
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37 * XXX and, perhaps, forget() functionality shall be here as well?
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38 *
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39 * @since 1.1
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40 * @author Artem Tikhomirov
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41 * @author TMate Software Ltd.
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42 */
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43 public class HgAddRemoveCommand extends HgAbstractCommand<HgAddRemoveCommand> {
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44
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45 private final HgRepository repo;
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46 private final LinkedHashSet<Path> toAdd, toRemove;
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47
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48 public HgAddRemoveCommand(HgRepository hgRepo) {
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49 repo = hgRepo;
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50 toAdd = new LinkedHashSet<Path>();
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51 toRemove = new LinkedHashSet<Path>();
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52 }
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53
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54 /**
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55 * Schedule specified files to get listed in dirstate as added
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56 *
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57 * @param paths files to mark as added, additive
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58 * @return <code>this</code> for convenience
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59 */
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60 public HgAddRemoveCommand add(Path... paths) {
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61 if (paths == null) {
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62 throw new IllegalArgumentException();
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63 }
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64 for (Path p : paths) {
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65 toRemove.remove(p);
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66 toAdd.add(p);
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67 }
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68 return this;
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69 }
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70
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71 /**
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72 * Schedule specified files to be marked as removed
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73 *
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74 * @param paths files to mark as removed, additive
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75 * @return <code>this</code> for convenience
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76 */
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77 public HgAddRemoveCommand remove(Path... paths) {
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78 if (paths == null) {
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79 throw new IllegalArgumentException();
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80 }
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81 for (Path p : paths) {
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82 toAdd.remove(p);
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83 toRemove.add(p);
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84 }
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85 return this;
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86 }
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87
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88 public HgAddRemoveCommand addAll() {
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89 throw Internals.notImplemented();
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90 }
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91
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92 public HgAddRemoveCommand forget(Path path) {
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93 throw Internals.notImplemented();
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94 }
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95
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96 /**
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97 * Perform scheduled addition/removal
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98 *
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99 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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100 * @throws HgRepositoryLockException if failed to lock the repo for modifications
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101 * @throws CancelledException if execution of the command was cancelled
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102 */
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103 public void execute() throws HgException, HgRepositoryLockException, CancelledException {
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104 final HgRepositoryLock wdLock = repo.getWorkingDirLock();
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105 wdLock.acquire();
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106 try {
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107 final ProgressSupport progress = getProgressSupport(null);
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108 final CancelSupport cancellation = getCancelSupport(null, true);
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109 cancellation.checkCancelled();
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110 progress.start(2 + toAdd.size() + toRemove.size());
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111 Internals implRepo = Internals.getInstance(repo);
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112 final DirstateBuilder dirstateBuilder = new DirstateBuilder(implRepo);
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113 dirstateBuilder.fillFrom(new DirstateReader(implRepo, new Path.SimpleSource()));
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114 progress.worked(1);
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115 cancellation.checkCancelled();
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116 for (Path p : toAdd) {
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117 dirstateBuilder.recordAdded(p, Flags.RegularFile, -1);
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118 progress.worked(1);
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119 cancellation.checkCancelled();
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120 }
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121 for (Path p : toRemove) {
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122 dirstateBuilder.recordRemoved(p);
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123 progress.worked(1);
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124 cancellation.checkCancelled();
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125 }
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126 Transaction.Factory trFactory = new COWTransaction.Factory();
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127 Transaction tr = trFactory.create(repo);
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128 try {
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129 dirstateBuilder.serialize(tr);
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130 tr.commit();
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131 } catch (RuntimeException ex) {
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132 tr.rollback();
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133 throw ex;
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134 } catch (HgException ex) {
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135 tr.rollback();
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136 throw ex;
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137 }
581
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138 progress.worked(1);
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139 progress.done();
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140 } catch (HgRuntimeException ex) {
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141 throw new HgLibraryFailureException(ex);
617
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142 } finally {
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143 wdLock.release();
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144 }
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145 }
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146 }