Mercurial > jhg
annotate src/org/tmatesoft/hg/core/HgOutgoingCommand.java @ 562:6fbca6506bb5
Allow HgBlameFacility.Inspector (former BlockInspector) to throw an exception
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Thu, 28 Feb 2013 15:57:04 +0100 |
parents | 2f9ed6bcefa2 |
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1 /* |
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2 * 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 java.util.List; |
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20 import java.util.Set; |
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21 import java.util.TreeSet; |
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22 |
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23 import org.tmatesoft.hg.internal.Internals; |
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24 import org.tmatesoft.hg.internal.RepositoryComparator; |
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25 import org.tmatesoft.hg.repo.HgChangelog; |
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26 import org.tmatesoft.hg.repo.HgInvalidControlFileException; |
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27 import org.tmatesoft.hg.repo.HgRemoteRepository; |
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28 import org.tmatesoft.hg.repo.HgRepository; |
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29 import org.tmatesoft.hg.repo.HgRuntimeException; |
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30 import org.tmatesoft.hg.repo.HgParentChildMap; |
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31 import org.tmatesoft.hg.util.CancelSupport; |
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32 import org.tmatesoft.hg.util.CancelledException; |
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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 * Command to find out changes made in a local repository and missing at remote repository. |
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37 * |
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38 * @author Artem Tikhomirov |
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39 * @author TMate Software Ltd. |
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40 */ |
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41 public class HgOutgoingCommand extends HgAbstractCommand<HgOutgoingCommand> { |
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42 |
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43 private final HgRepository localRepo; |
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44 private HgRemoteRepository remoteRepo; |
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45 @SuppressWarnings("unused") |
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46 private boolean includeSubrepo; |
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47 private RepositoryComparator comparator; |
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48 private HgParentChildMap<HgChangelog> parentHelper; |
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49 private Set<String> branches; |
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50 |
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51 public HgOutgoingCommand(HgRepository hgRepo) { |
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52 localRepo = hgRepo; |
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53 } |
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54 |
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55 /** |
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56 * @param hgRemote remoteRepository to compare against |
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57 * @return <code>this</code> for convenience |
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58 */ |
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59 public HgOutgoingCommand against(HgRemoteRepository hgRemote) { |
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60 remoteRepo = hgRemote; |
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61 comparator = null; |
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62 return this; |
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63 } |
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64 |
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65 /** |
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66 * Select specific branch to pull. |
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67 * Multiple branch specification possible (changeset from any of these would be included in result). |
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68 * Note, {@link #executeLite()} does not respect this setting. |
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69 * |
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70 * @param branch - branch name, case-sensitive, non-null. |
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71 * @return <code>this</code> for convenience |
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72 * @throws IllegalArgumentException when branch argument is null |
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73 */ |
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74 public HgOutgoingCommand branch(String branch) { |
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75 if (branch == null) { |
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76 throw new IllegalArgumentException(); |
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77 } |
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78 if (branches == null) { |
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79 branches = new TreeSet<String>(); |
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80 } |
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81 branches.add(branch); |
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82 return this; |
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83 } |
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84 |
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85 /** |
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86 * PLACEHOLDER, NOT IMPLEMENTED YET. |
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87 * |
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88 * @return <code>this</code> for convenience |
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89 */ |
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90 public HgOutgoingCommand subrepo(boolean include) { |
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91 includeSubrepo = include; |
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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 * Lightweight check for outgoing changes. |
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97 * Reported changes are from any branch (limits set by {@link #branch(String)} are not taken into account. |
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98 * |
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99 * @return list on local nodes known to be missing at remote server |
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100 * @throws HgRemoteConnectionException when failed to communicate with remote repository |
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101 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state |
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102 * @throws CancelledException if execution of the command was cancelled |
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103 */ |
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104 public List<Nodeid> executeLite() throws HgRemoteConnectionException, HgException, CancelledException { |
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105 final ProgressSupport ps = getProgressSupport(null); |
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106 try { |
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107 ps.start(10); |
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108 return getComparator(new ProgressSupport.Sub(ps, 5), getCancelSupport(null, true)).getLocalOnlyRevisions(); |
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109 } catch (HgRuntimeException ex) { |
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110 throw new HgLibraryFailureException(ex); |
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111 } finally { |
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112 ps.done(); |
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113 } |
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114 } |
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115 |
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116 /** |
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117 * Complete information about outgoing changes |
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118 * |
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119 * @param handler delegate to process changes |
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120 * @throws HgCallbackTargetException propagated exception from the handler |
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121 * @throws HgRemoteConnectionException when failed to communicate with remote repository |
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122 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state |
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123 * @throws CancelledException if execution of the command was cancelled |
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124 */ |
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125 public void executeFull(final HgChangesetHandler handler) throws HgCallbackTargetException, HgException, CancelledException { |
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126 if (handler == null) { |
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127 throw new IllegalArgumentException("Delegate can't be null"); |
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128 } |
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129 final ProgressSupport ps = getProgressSupport(handler); |
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130 final CancelSupport cs = getCancelSupport(handler, true); |
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131 try { |
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132 ps.start(-1); |
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133 ChangesetTransformer inspector = new ChangesetTransformer(localRepo, handler, getParentHelper(), ps, cs); |
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134 inspector.limitBranches(branches); |
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135 getComparator(new ProgressSupport.Sub(ps, 1), cs).visitLocalOnlyRevisions(inspector); |
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136 inspector.checkFailure(); |
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137 } catch (HgRuntimeException ex) { |
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138 throw new HgLibraryFailureException(ex); |
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139 } finally { |
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140 ps.done(); |
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141 } |
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142 } |
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143 |
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144 private RepositoryComparator getComparator(ProgressSupport ps, CancelSupport cs) throws HgRemoteConnectionException, HgInvalidControlFileException, CancelledException { |
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145 if (remoteRepo == null) { |
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146 throw new IllegalArgumentException("Shall specify remote repository to compare against"); |
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147 } |
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148 if (comparator == null) { |
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149 comparator = new RepositoryComparator(getParentHelper(), remoteRepo); |
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150 comparator.compare(ps, cs); |
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151 } |
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152 return comparator; |
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153 } |
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154 |
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155 private HgParentChildMap<HgChangelog> getParentHelper() throws HgInvalidControlFileException { |
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156 if (parentHelper == null) { |
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157 parentHelper = new HgParentChildMap<HgChangelog>(localRepo.getChangelog()); |
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158 parentHelper.init(); |
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159 } |
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160 return parentHelper; |
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161 } |
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162 |
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163 } |