Mercurial > hg4j

annotate src/com/tmate/hgkit/ll/HgRepository.java @ 72:9a03a80a0f2f

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Command-line frontend moved to separate source root with new package statement
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Sun, 23 Jan 2011 03:46:59 +0100
parents 0e499fed9b3d
children
rev   line source
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1 /*
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2 * Copyright (c) 2010, 2011 Artem Tikhomirov
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3 */
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4 package com.tmate.hgkit.ll;
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6 import org.tmatesoft.hg.core.Path;
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7 import org.tmatesoft.hg.util.PathRewrite;
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10 /**
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11 * Shall be as state-less as possible, all the caching happens outside the repo, in commands/walkers
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12 * @author artem
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13 */
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14 public abstract class HgRepository {
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16 public static final int TIP = -1;
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17 public static final int BAD_REVISION = Integer.MIN_VALUE;
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18 public static final int WORKING_COPY = -2;
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20 // temp aux marker method
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21 public static IllegalStateException notImplemented() {
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22 return new IllegalStateException("Not implemented");
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23 }
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25 private Changelog changelog;
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26 private HgManifest manifest;
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27 private HgTags tags;
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29 private boolean isInvalid = true;
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31 public boolean isInvalid() {
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32 return this.isInvalid;
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33 }
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35 protected void setInvalid(boolean invalid) {
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36 isInvalid = invalid;
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37 }
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39 public final Changelog getChangelog() {
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40 if (this.changelog == null) {
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41 // might want delegate to protected createChangelog() some day
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42 RevlogStream content = resolve(toStoragePath("00changelog.i", false)); // XXX perhaps, knowledge about filenames should be in LocalHgRepo?
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43 this.changelog = new Changelog(this, content);
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44 }
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45 return this.changelog;
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46 }
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48 public final HgManifest getManifest() {
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49 if (this.manifest == null) {
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50 RevlogStream content = resolve(toStoragePath("00manifest.i", false));
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51 this.manifest = new HgManifest(this, content);
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52 }
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53 return this.manifest;
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54 }
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56 public final HgTags getTags() {
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57 if (tags == null) {
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58 tags = createTags();
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59 }
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60 return tags;
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61 }
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63 protected abstract HgTags createTags();
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65 public abstract HgDataFile getFileNode(String path);
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66 public abstract HgDataFile getFileNode(Path path);
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68 public abstract String getLocation();
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70 public abstract PathRewrite getPathHelper();
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73 protected abstract String toStoragePath(String path, boolean isData);
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75 /**
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76 * Perhaps, should be separate interface, like ContentLookup
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77 */
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78 protected abstract RevlogStream resolve(String repositoryPath);
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79 }