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

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) 2011-2013 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.repo.HgRuntimeException;
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21 import org.tmatesoft.hg.util.Adaptable;
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22 import org.tmatesoft.hg.util.Path;
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23
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24 /**
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25 * Callback to process {@link HgChangeset changesets}.
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26 *
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27 * @author Artem Tikhomirov
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28 * @author TMate Software Ltd.
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29 */
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30 @Callback
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31 public interface HgChangesetHandler {
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32
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33 /**
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34 * @param changeset descriptor of a change, not necessarily a distinct instance each time, {@link HgChangeset#clone() clone()} if need a copy.
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35 * @throws HgCallbackTargetException wrapper for any exception user code may produce
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36 * @throws HgRuntimeException propagates library issues. <em>Runtime exception</em>
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37 */
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38 void cset(HgChangeset changeset) throws HgCallbackTargetException, HgRuntimeException;
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41 /**
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42 * When {@link HgLogCommand} is executed against file, handler passed to {@link HgLogCommand#execute(HgChangesetHandler)} may optionally
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43 * implement this interface (or make it available through {@link Adaptable#getAdapter(Class)} to get information about file renames.
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44 * Method {@link #copy(HgFileRevision, HgFileRevision)} would get invoked prior any changeset of the original file
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45 * (if file history being followed) is reported via {@link #cset(HgChangeset)}.
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46 *
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47 * For {@link HgLogCommand#file(Path, boolean)} with renamed file path and follow argument set to false,
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48 * {@link #copy(HgFileRevision, HgFileRevision)} would be invoked for the first copy/rename in the history of the file, but not
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49 * followed by any changesets.
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50 *
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51 * @see HgFileRenameHandlerMixin
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52 */
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53 @Callback
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54 public interface WithCopyHistory extends HgChangesetHandler, HgFileRenameHandlerMixin {
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55 }
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56 }