Mercurial > jhg

annotate src/org/tmatesoft/hg/core/HgOutgoingCommand.java @ 709:497e697636fc

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Report merged lines as changed block if possible, not as a sequence of added/deleted blocks. To facilitate access to merge parent lines AddBlock got mergeLineAt() method that reports index of the line in the second parent (if any), while insertedAt() has been changed to report index in the first parent always
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 21 Aug 2013 16:23:27 +0200
parents 629a7370554c
children
rev   line source
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1 /*
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2 * Copyright (c) 2011-2013 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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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.PhasesHelper;
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25 import org.tmatesoft.hg.internal.RepositoryComparator;
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26 import org.tmatesoft.hg.internal.RevisionSet;
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27 import org.tmatesoft.hg.repo.HgChangelog;
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28 import org.tmatesoft.hg.repo.HgParentChildMap;
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29 import org.tmatesoft.hg.repo.HgRemoteRepository;
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30 import org.tmatesoft.hg.repo.HgRepository;
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31 import org.tmatesoft.hg.repo.HgRuntimeException;
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32 import org.tmatesoft.hg.util.CancelSupport;
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33 import org.tmatesoft.hg.util.CancelledException;
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34 import org.tmatesoft.hg.util.ProgressSupport;
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36 /**
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37 * Command to find out changes made in a local repository and missing at remote repository.
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38 *
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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 HgOutgoingCommand extends HgAbstractCommand<HgOutgoingCommand> {
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43
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44 private final HgRepository localRepo;
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45 private HgRemoteRepository remoteRepo;
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46 @SuppressWarnings("unused")
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47 private boolean includeSubrepo;
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48 private RepositoryComparator comparator;
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49 private HgParentChildMap<HgChangelog> parentHelper;
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50 private Set<String> branches;
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52 public HgOutgoingCommand(HgRepository hgRepo) {
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53 localRepo = hgRepo;
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54 }
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56 /**
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57 * @param hgRemote remoteRepository to compare against
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58 * @return <code>this</code> for convenience
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59 */
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60 public HgOutgoingCommand against(HgRemoteRepository hgRemote) {
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61 remoteRepo = hgRemote;
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62 comparator = null;
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63 return this;
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64 }
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65
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66 /**
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67 * Select specific branch to pull.
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68 * Multiple branch specification possible (changeset from any of these would be included in result).
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69 * Note, {@link #executeLite()} does not respect this setting.
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70 *
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71 * @param branch - branch name, case-sensitive, non-null.
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72 * @return <code>this</code> for convenience
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73 * @throws IllegalArgumentException when branch argument is null
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74 */
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75 public HgOutgoingCommand branch(String branch) {
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76 if (branch == null) {
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77 throw new IllegalArgumentException();
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78 }
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79 if (branches == null) {
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80 branches = new TreeSet<String>();
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81 }
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82 branches.add(branch);
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83 return this;
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84 }
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86 /**
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87 * PLACEHOLDER, NOT IMPLEMENTED YET.
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88 *
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89 * @return <code>this</code> for convenience
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90 */
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91 public HgOutgoingCommand subrepo(boolean include) {
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92 includeSubrepo = include;
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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 * Lightweight check for outgoing changes.
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98 * Reported changes are from any branch (limits set by {@link #branch(String)} are not taken into account.
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99 *
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100 * @return list on local nodes known to be missing at remote server
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101 * @throws HgRemoteConnectionException when failed to communicate with remote repository
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102 * @throws HgException subclass thereof to indicate specific issue with the command arguments or repository state
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103 * @throws CancelledException if execution of the command was cancelled
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104 */
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105 public List<Nodeid> executeLite() throws HgRemoteConnectionException, HgException, CancelledException {
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106 final ProgressSupport ps = getProgressSupport(null);
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107 try {
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108 return getOutgoingRevisions(ps, getCancelSupport(null, true));
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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(200);
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133 ChangesetTransformer inspector = new ChangesetTransformer(localRepo, handler, getParentHelper(), new ProgressSupport.Sub(ps, 100), cs);
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134 inspector.limitBranches(branches);
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135 List<Nodeid> out = getOutgoingRevisions(new ProgressSupport.Sub(ps, 100), cs);
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136 int[] outRevIndex = new int[out.size()];
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137 int i = 0;
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138 for (Nodeid o : out) {
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139 outRevIndex[i++] = localRepo.getChangelog().getRevisionIndex(o);
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140 }
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141 localRepo.getChangelog().range(inspector, outRevIndex);
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142 inspector.checkFailure();
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143 } catch (HgRuntimeException ex) {
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144 throw new HgLibraryFailureException(ex);
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145 } finally {
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146 ps.done();
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147 }
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148 }
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149
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150 private RepositoryComparator getComparator(ProgressSupport ps, CancelSupport cs) throws HgRemoteConnectionException, CancelledException, HgRuntimeException {
192
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151 if (remoteRepo == null) {
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152 throw new IllegalArgumentException("Shall specify remote repository to compare against");
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153 }
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154 if (comparator == null) {
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155 comparator = new RepositoryComparator(getParentHelper(), remoteRepo);
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156 comparator.compare(ps, cs);
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157 }
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158 return comparator;
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159 }
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160
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161 private HgParentChildMap<HgChangelog> getParentHelper() throws HgRuntimeException {
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162 if (parentHelper == null) {
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163 parentHelper = new HgParentChildMap<HgChangelog>(localRepo.getChangelog());
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164 parentHelper.init();
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165 }
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166 return parentHelper;
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167 }
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168
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169
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170 private List<Nodeid> getOutgoingRevisions(ProgressSupport ps, CancelSupport cs) throws HgRemoteConnectionException, HgException, CancelledException {
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171 ps.start(10);
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172 final RepositoryComparator c = getComparator(new ProgressSupport.Sub(ps, 5), cs);
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173 List<Nodeid> local = c.getLocalOnlyRevisions();
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174 ps.worked(3);
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175 PhasesHelper phaseHelper = new PhasesHelper(Internals.getInstance(localRepo));
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176 if (phaseHelper.isCapableOfPhases() && phaseHelper.withSecretRoots()) {
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177 local = new RevisionSet(local).subtract(phaseHelper.allSecret()).asList();
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178 }
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179 ps.worked(2);
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180 return local;
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181 }
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182 }