Mercurial > hg > truffle
annotate visualizer/Data/src/com/sun/hotspot/igv/data/Pair.java @ 9927:81b298e0868b
Merge.
author | Christian Haeubl <haeubl@ssw.jku.at> |
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date | Fri, 07 Jun 2013 14:15:38 +0200 |
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1 /* |
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2 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 * |
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23 */ |
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24 package com.sun.hotspot.igv.data; |
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25 |
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26 /** |
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27 * |
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28 * @author Thomas Wuerthinger |
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29 */ |
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30 public class Pair<L, R> { |
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31 |
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32 private L l; |
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33 private R r; |
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34 |
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35 public Pair() { |
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36 } |
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37 |
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38 public Pair(L l, R r) { |
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39 this.l = l; |
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40 this.r = r; |
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41 } |
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42 |
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43 public L getLeft() { |
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44 return l; |
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45 } |
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46 |
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47 public void setLeft(L l) { |
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48 this.l = l; |
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49 } |
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50 |
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51 public R getRight() { |
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52 return r; |
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53 } |
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54 |
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55 public void setRight(R r) { |
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56 this.r = r; |
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57 } |
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58 |
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59 @Override |
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60 public boolean equals(Object o) { |
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61 if (o == null || !(o instanceof Pair)) { |
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62 return false; |
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63 } |
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64 Pair<?,?> obj = (Pair<?,?>) o; |
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65 boolean b1 = (l == obj.l); |
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66 if (l != null) { |
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67 b1 = l.equals(obj.l); |
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68 } |
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69 |
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70 boolean b2 = (r == obj.r); |
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71 if (r != null) { |
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72 b2 = r.equals(obj.r); |
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73 } |
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74 |
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75 return b1 && b2; |
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76 } |
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77 |
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78 @Override |
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79 public int hashCode() { |
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80 return ((l == null) ? 0 : l.hashCode()) * 71 + ((r == null) ? 0 : r.hashCode()); |
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81 } |
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82 |
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83 @Override |
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84 public String toString() { |
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85 return "[" + l + "/" + r + "]"; |
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86 } |
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87 } |