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annotate src/org/tmatesoft/hg/util/ByteChannel.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 1a7a9a20e1f9
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1 /*
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2 * Copyright (c) 2011 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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7567f4a42fe5 Correct contact address
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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.util;
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19 import java.io.IOException;
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20 import java.nio.ByteBuffer;
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21
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22 /**
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23 * Much like {@link java.nio.channels.WritableByteChannel} except for thrown exception
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24 *
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25 * XXX Perhaps, we'll add CharChannel in the future to deal with character conversions/encodings
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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 public interface ByteChannel {
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31 // XXX does int return value makes any sense given buffer keeps its read state
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32 // not clear what retvalue should be in case some filtering happened inside write - i.e. return
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33 // number of bytes consumed in
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34 int write(ByteBuffer buffer) throws IOException, CancelledException;
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35 }