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annotate src/org/tmatesoft/hg/core/HgFileRevision.java @ 269:7af843ecc378

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author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Tue, 23 Aug 2011 23:47:38 +0200
parents 4c3b9f679412
children ee6b467c1a5f
rev   line source
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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 org.tmatesoft.hg.repo.HgDataFile;
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20 import org.tmatesoft.hg.repo.HgRepository;
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21 import org.tmatesoft.hg.util.ByteChannel;
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22 import org.tmatesoft.hg.util.CancelledException;
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23 import org.tmatesoft.hg.util.Path;
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24
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25 /**
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26 * Keeps together information about specific file revision
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27 *
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28 * @author Artem Tikhomirov
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29 * @author TMate Software Ltd.
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30 */
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31 public final class HgFileRevision {
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32 private final HgRepository repo;
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33 private final Nodeid revision;
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34 private final Path path;
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35
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36 public HgFileRevision(HgRepository hgRepo, Nodeid rev, Path p) {
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37 if (hgRepo == null || rev == null || p == null) {
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38 // since it's package local, it is our code to blame for non validated arguments
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39 throw new HgBadStateException();
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40 }
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41 repo = hgRepo;
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42 revision = rev;
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43 path = p;
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44 }
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45
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46 public Path getPath() {
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47 return path;
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48 }
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49 public Nodeid getRevision() {
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50 return revision;
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51 }
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52 public void putContentTo(ByteChannel sink) throws HgDataStreamException, CancelledException {
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53 HgDataFile fn = repo.getFileNode(path);
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54 int localRevision = fn.getLocalRevision(revision);
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55 fn.contentWithFilters(localRevision, sink);
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56 }
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57
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58 }