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annotate src/com/tmate/hgkit/ll/Revlog.java @ 26:71a9ba42cee8

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Memory-mapped files for bigger files. Defect reading number of bytes greater than size of the buffer fixed
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Sun, 09 Jan 2011 15:59:54 +0100
parents d4fdd1845b3f
children 6cce719bbb62
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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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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12 private final HgRepository hgRepo;
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13 protected final RevlogStream content;
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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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23 public final HgRepository getRepo() {
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24 return hgRepo;
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25 }
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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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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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24bb4f365164 Rudimentary log functionality with basic infrastructure is in place
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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 }