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annotate src/org/tmatesoft/hg/repo/HgDataFile.java @ 74:6f1b88693d48

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Complete refactoring to org.tmatesoft
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Mon, 24 Jan 2011 03:14:45 +0100
parents src/com/tmate/hgkit/ll/HgDataFile.java@576d6e8a09f6
children c677e1593919
rev   line source
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1 /*
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2 * Copyright (c) 2010-2011 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@svnkit.com
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16 */
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17 package org.tmatesoft.hg.repo;
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19 import static org.tmatesoft.hg.repo.HgRepository.TIP;
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20
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21 import org.tmatesoft.hg.core.Nodeid;
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22 import org.tmatesoft.hg.core.Path;
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26 /**
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27 * ? name:HgFileNode?
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28 *
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29 * @author Artem Tikhomirov
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30 * @author TMate Software Ltd.
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31 */
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32 public class HgDataFile extends Revlog {
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34 // absolute from repo root?
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35 // slashes, unix-style?
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36 // repo location agnostic, just to give info to user, not to access real storage
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37 private final Path path;
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39 /*package-local*/HgDataFile(HgRepository hgRepo, Path path, RevlogStream content) {
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40 super(hgRepo, content);
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41 this.path = path;
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42 }
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43
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44 public boolean exists() {
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45 return content != null; // XXX need better impl
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46 }
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48 public Path getPath() {
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49 return path; // hgRepo.backresolve(this) -> name?
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50 }
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52 public int length(Nodeid nodeid) {
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53 return content.dataLength(getLocalRevisionNumber(nodeid));
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54 }
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55
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56 public byte[] content() {
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57 return content(TIP);
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58 }
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59
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60 public void history(Changeset.Inspector inspector) {
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61 history(0, content.revisionCount() - 1, inspector);
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62 }
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63
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64 public void history(int start, int end, Changeset.Inspector inspector) {
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65 if (!exists()) {
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66 throw new IllegalStateException("Can't get history of invalid repository file node");
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67 }
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68 final int[] commitRevisions = new int[end - start + 1];
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69 Revlog.Inspector insp = new Revlog.Inspector() {
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70 int count = 0;
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72 public void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[] nodeid, byte[] data) {
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73 commitRevisions[count++] = linkRevision;
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74 }
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75 };
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76 content.iterate(start, end, false, insp);
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77 getRepo().getChangelog().range(inspector, commitRevisions);
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78 }
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79 }