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annotate src/com/tmate/hgkit/ll/HgRepository.java @ 64:19e9e220bf68

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Convenient commands constitute hi-level API. org.tmatesoft namespace, GPL2 statement
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 21 Jan 2011 05:56:43 +0100
parents 05829a70b30b
children 0e499fed9b3d
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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18 // temp aux marker method
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19 public static IllegalStateException notImplemented() {
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20 return new IllegalStateException("Not implemented");
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21 }
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23 private Changelog changelog;
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24 private HgManifest manifest;
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25 private HgTags tags;
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27 private boolean isInvalid = true;
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28
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29 public boolean isInvalid() {
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30 return this.isInvalid;
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31 }
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33 protected void setInvalid(boolean invalid) {
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34 isInvalid = invalid;
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35 }
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37 public final Changelog getChangelog() {
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38 if (this.changelog == null) {
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39 // might want delegate to protected createChangelog() some day
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40 RevlogStream content = resolve(toStoragePath("00changelog.i", false)); // XXX perhaps, knowledge about filenames should be in LocalHgRepo?
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41 this.changelog = new Changelog(this, content);
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42 }
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43 return this.changelog;
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44 }
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46 public final HgManifest getManifest() {
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47 if (this.manifest == null) {
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48 RevlogStream content = resolve(toStoragePath("00manifest.i", false));
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49 this.manifest = new HgManifest(this, content);
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50 }
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51 return this.manifest;
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52 }
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54 public final HgTags getTags() {
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55 if (tags == null) {
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56 tags = createTags();
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57 }
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58 return tags;
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59 }
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61 protected abstract HgTags createTags();
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63 public abstract HgDataFile getFileNode(String path);
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64 public abstract HgDataFile getFileNode(Path path);
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66 public abstract String getLocation();
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68 public abstract PathRewrite getPathHelper();
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71 protected abstract String toStoragePath(String path, boolean isData);
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73 /**
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74 * Perhaps, should be separate interface, like ContentLookup
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75 */
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76 protected abstract RevlogStream resolve(String repositoryPath);
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77 }