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annotate src/com/tmate/hgkit/ll/HgRepository.java @ 9:d6d2a630f4a6

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Access to underlaying file data wrapped into own Access object, implemented with FileChannel and ByteBuffer
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Sat, 25 Dec 2010 04:45:59 +0100
parents fc265ddeab26
children 382cfe9463db
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1 /**
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2 * Copyright (c) 2010 Artem Tikhomirov
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3 */
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4 package com.tmate.hgkit.ll;
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7 /**
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8 * @author artem
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9 */
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10 public abstract class HgRepository {
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12 public static final int TIP = -1;
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14 // temp aux marker method
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15 public static IllegalStateException notImplemented() {
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16 return new IllegalStateException("Not implemented");
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17 }
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20 private Changelog changelog;
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21 private HgManifest manifest;
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23 private boolean isInvalid = true;
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24
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25 public boolean isInvalid() {
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26 return this.isInvalid;
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27 }
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29 protected void setInvalid(boolean invalid) {
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30 isInvalid = invalid;
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31 }
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33 public final Changelog getChangelog() {
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34 if (this.changelog == null) {
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35 // might want delegate to protected createChangelog() some day
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36 RevlogStream content = resolve(toStoragePath("00changelog.i", false)); // XXX perhaps, knowledge about filenames should be in LocalHgRepo?
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37 this.changelog = new Changelog(this, content);
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38 }
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39 return this.changelog;
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40 }
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42 public final HgManifest getManifest() {
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43 if (this.manifest == null) {
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44 this.manifest = new HgManifest(this);
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45 }
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46 return this.manifest;
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47 }
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48
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49 public final Object/*HgDirstate*/ getDirstate() {
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50 throw notImplemented();
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51 }
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53 public abstract HgDataFile getFileNode(String path);
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55 public abstract String getLocation();
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58 protected abstract String toStoragePath(String path, boolean isData);
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60 /**
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61 * Perhaps, should be separate interface, like ContentLookup
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62 */
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63 protected abstract RevlogStream resolve(String repositoryPath);
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64 }