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annotate src/org/tmatesoft/hg/core/HgManifestHandler.java @ 495:abfbe81154b5

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Do not use exception when only metadata processing is needed. For hg4j repo, status 0:-1 changed from 500 to 60 ms
author Artem Tikhomirov <tikhomirov.artem@gmail.com>
date Fri, 19 Oct 2012 16:03:21 +0200
parents 31a89587eb04
children 6526d8adbc0f
rev   line source
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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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18
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19 import org.tmatesoft.hg.internal.Callback;
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20 import org.tmatesoft.hg.util.Path;
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21
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22 /**
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23 * Callback to walk file/directory tree of a revision
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24 *
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25 * @author Artem Tikhomirov
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26 * @author TMate Software Ltd.
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27 */
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28 @Callback
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29 public interface HgManifestHandler {
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30 /**
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31 * Indicates start of manifest revision. Subsequent {@link #file(HgFileRevision)} and {@link #dir(Path)} come
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32 * from the specified manifest revision until {@link #end(Nodeid)} with the matching revision is invoked.
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33 *
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34 * @param manifestRevision unique identifier of the manifest revision
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35 * @throws HgCallbackTargetException wrapper for any exception user code may produce
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36 */
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37 void begin(Nodeid manifestRevision) throws HgCallbackTargetException;
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38
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39 /**
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40 * If walker is configured to spit out directories, indicates files from specified directories are about to be reported.
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41 * Comes prior to any files from this directory and subdirectories
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42 *
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43 * @param path directory known in the manifest
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44 * @throws HgCallbackTargetException wrapper for any exception user code may produce
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45 */
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46 void dir(Path path) throws HgCallbackTargetException;
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47
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48 /**
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49 * Reports a file revision entry in the manifest
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50 *
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51 * @param fileRevision description of the file revision
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52 * @throws HgCallbackTargetException wrapper for any exception user code may produce
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53 */
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54 void file(HgFileRevision fileRevision) throws HgCallbackTargetException;
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55
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56 /**
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57 * Indicates all files from the manifest revision have been reported.
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58 * Closes {@link #begin(Nodeid)} with the same revision that came before.
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59 *
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60 * @param manifestRevision unique identifier of the manifest revision
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61 * @throws HgCallbackTargetException wrapper for any exception user code may produce
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62 */
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63 void end(Nodeid manifestRevision) throws HgCallbackTargetException;
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64 }