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annotate src/org/tmatesoft/hg/core/HgManifestHandler.java @ 709:497e697636fc

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Report merged lines as changed block if possible, not as a sequence of added/deleted blocks. To facilitate access to merge parent lines AddBlock got mergeLineAt() method that reports index of the line in the second parent (if any), while insertedAt() has been changed to report index in the first parent always
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Wed, 21 Aug 2013 16:23:27 +0200
parents 6526d8adbc0f
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1 /*
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2 * Copyright (c) 2011-2012 TMate Software Ltd
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License as published by
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6 * the Free Software Foundation; version 2 of the License.
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7 *
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8 * This program is distributed in the hope that it will be useful,
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9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 * GNU General Public License for more details.
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12 *
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13 * For information on how to redistribute this software under
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14 * the terms of a license other than GNU General Public License
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15 * contact TMate Software at support@hg4j.com
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16 */
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17 package org.tmatesoft.hg.core;
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19 import org.tmatesoft.hg.internal.Callback;
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20 import org.tmatesoft.hg.repo.HgRuntimeException;
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21 import org.tmatesoft.hg.util.Path;
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23 /**
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24 * Callback to walk file/directory tree of a revision
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25 *
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26 * @author Artem Tikhomirov
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27 * @author TMate Software Ltd.
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28 */
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29 @Callback
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30 public interface HgManifestHandler {
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31 /**
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32 * Indicates start of manifest revision. Subsequent {@link #file(HgFileRevision)} and {@link #dir(Path)} come
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33 * from the specified manifest revision until {@link #end(Nodeid)} with the matching revision is invoked.
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34 *
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35 * @param manifestRevision unique identifier of the manifest revision
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36 * @throws HgCallbackTargetException wrapper for any exception user code may produce
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37 * @throws HgRuntimeException propagates library issues. <em>Runtime exception</em>
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38 */
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39 void begin(Nodeid manifestRevision) throws HgCallbackTargetException, HgRuntimeException;
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41 /**
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42 * If walker is configured to spit out directories, indicates files from specified directories are about to be reported.
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43 * Comes prior to any files from this directory and subdirectories
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44 *
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45 * @param path directory known in the manifest
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46 * @throws HgCallbackTargetException wrapper for any exception user code may produce
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47 * @throws HgRuntimeException propagates library issues. <em>Runtime exception</em>
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48 */
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49 void dir(Path path) throws HgCallbackTargetException, HgRuntimeException;
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51 /**
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52 * Reports a file revision entry in the manifest
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53 *
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54 * @param fileRevision description of the file revision
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55 * @throws HgCallbackTargetException wrapper for any exception user code may produce
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56 * @throws HgRuntimeException propagates library issues. <em>Runtime exception</em>
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57 */
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58 void file(HgFileRevision fileRevision) throws HgCallbackTargetException, HgRuntimeException;
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60 /**
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61 * Indicates all files from the manifest revision have been reported.
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62 * Closes {@link #begin(Nodeid)} with the same revision that came before.
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63 *
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64 * @param manifestRevision unique identifier of the manifest revision
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65 * @throws HgCallbackTargetException wrapper for any exception user code may produce
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66 * @throws HgRuntimeException propagates library issues. <em>Runtime exception</em>
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67 */
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68 void end(Nodeid manifestRevision) throws HgCallbackTargetException, HgRuntimeException;
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69 }