Mercurial > jhg

annotate src/org/tmatesoft/hg/core/ChangesetTransformer.java @ 203:66fd2c73c56f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Basic test for HgOutgoingCommand. Handle cases with no outgoing changes in RepositoryComparator
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 26 Apr 2011 15:52:33 +0200
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1 /*
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2 * Copyright (c) 2011 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.Set;
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20
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21 import org.tmatesoft.hg.repo.HgChangelog;
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22 import org.tmatesoft.hg.repo.HgRepository;
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23 import org.tmatesoft.hg.repo.HgStatusCollector;
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24 import org.tmatesoft.hg.repo.HgChangelog.RawChangeset;
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25 import org.tmatesoft.hg.util.PathPool;
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26 import org.tmatesoft.hg.util.PathRewrite;
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27
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28 /**
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29 * Bridges {@link HgChangelog.RawChangeset} with high-level {@link HgChangeset} API
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30 *
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31 * @author Artem Tikhomirov
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32 * @author TMate Software Ltd.
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33 */
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34 /*package-local*/ class ChangesetTransformer implements HgChangelog.Inspector {
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35 private final HgLogCommand.Handler handler;
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36 private final HgChangeset changeset;
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37 private Set<String> branches;
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38
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39 // repo and delegate can't be null, parent walker can
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40 public ChangesetTransformer(HgRepository hgRepo, HgLogCommand.Handler delegate, HgChangelog.ParentWalker pw) {
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41 if (hgRepo == null || delegate == null) {
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42 throw new IllegalArgumentException();
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43 }
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44 HgStatusCollector statusCollector = new HgStatusCollector(hgRepo);
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45 // files listed in a changeset don't need their names to be rewritten (they are normalized already)
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46 PathPool pp = new PathPool(new PathRewrite.Empty());
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47 statusCollector.setPathPool(pp);
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48 changeset = new HgChangeset(statusCollector, pp);
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49 changeset.setParentHelper(pw);
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50 handler = delegate;
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51 }
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52
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53 public void next(int revisionNumber, Nodeid nodeid, RawChangeset cset) {
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54 if (branches != null && !branches.contains(cset.branch())) {
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55 return;
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56 }
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58 changeset.init(revisionNumber, nodeid, cset);
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59 handler.next(changeset);
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60 }
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62 public void limitBranches(Set<String> branches) {
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63 this.branches = branches;
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64 }
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65 }