Mercurial > jhg
annotate src/org/tmatesoft/hg/util/Pair.java @ 619:868b2ffdcd5c
Close FIS, not FileChannel, to clear both references to FileDescriptor right away
author | Artem Tikhomirov <tikhomirov.artem@gmail.com> |
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date | Fri, 17 May 2013 22:04:23 +0200 (2013-05-17) |
parents | 5311e041d2dd |
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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.util; |
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18 |
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19 |
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20 /** |
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21 * Nothing but a holder for two values. |
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22 * |
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23 * @author Artem Tikhomirov |
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24 * @author TMate Software Ltd. |
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25 */ |
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26 public final class Pair<T1,T2> { |
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27 private final T1 value1; |
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28 private final T2 value2; |
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29 |
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30 public Pair(T1 v1, T2 v2) { |
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31 value1 = v1; |
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32 value2 = v2; |
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33 } |
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34 |
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35 public T1 first() { |
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36 return value1; |
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37 } |
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38 public T2 second() { |
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39 return value2; |
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40 } |
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41 public boolean hasFirst() { |
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42 return value1 != null; |
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43 } |
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44 public boolean hasSecond() { |
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45 return value2 != null; |
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46 } |
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47 |
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48 @Override |
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49 public String toString() { |
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50 StringBuilder sb = new StringBuilder(); |
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51 sb.append('<'); |
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52 sb.append(first()); |
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53 sb.append(':'); |
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54 sb.append(second()); |
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55 sb.append('>'); |
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56 return sb.toString(); |
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57 } |
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58 } |
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59 |