Mercurial > hg4j
annotate src/com/tmate/hgkit/ll/Revlog.java @ 25:da8ccbfae64d
Reflect Nodeid's array is exactly 20
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Thu, 06 Jan 2011 04:45:40 +0100 |
parents | d4fdd1845b3f |
children | 6cce719bbb62 |
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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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5 |
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6 /** |
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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 Revlog { |
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11 |
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12 private final HgRepository hgRepo; |
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13 protected final RevlogStream content; |
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14 |
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15 protected Revlog(HgRepository hgRepo, RevlogStream content) { |
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16 if (hgRepo == null) { |
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17 throw new NullPointerException(); |
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18 } |
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19 this.hgRepo = hgRepo; |
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20 this.content = content; |
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21 } |
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22 |
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23 public final HgRepository getRepo() { |
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24 return hgRepo; |
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25 } |
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26 |
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27 public int getRevisionCount() { |
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28 return content.revisionCount(); |
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29 } |
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30 |
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31 // FIXME byte[] data might be too expensive, for few usecases it may be better to have intermediate Access object (when we don't need full data |
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32 // instantly - e.g. calculate hash, or comparing two revisions |
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33 public interface Inspector { |
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34 // XXX boolean retVal to indicate whether to continue? |
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35 // TODO specify nodeid and data length, and reuse policy (i.e. if revlog stream doesn't reuse nodeid[] for each call) |
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36 void next(int revisionNumber, int actualLen, int baseRevision, int linkRevision, int parent1Revision, int parent2Revision, byte[/*20*/] nodeid, byte[] data); |
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37 } |
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38 } |