Mercurial > hg > Members > kono > jpf-core
comparison src/main/gov/nasa/jpf/util/IntArray.java @ 0:61d41facf527
initial v8 import (history reset)
author | Peter Mehlitz <Peter.C.Mehlitz@nasa.gov> |
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date | Fri, 23 Jan 2015 10:14:01 -0800 |
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-1:000000000000 | 0:61d41facf527 |
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1 /* | |
2 * Copyright (C) 2014, United States Government, as represented by the | |
3 * Administrator of the National Aeronautics and Space Administration. | |
4 * All rights reserved. | |
5 * | |
6 * The Java Pathfinder core (jpf-core) platform is licensed under the | |
7 * Apache License, Version 2.0 (the "License"); you may not use this file except | |
8 * in compliance with the License. You may obtain a copy of the License at | |
9 * | |
10 * http://www.apache.org/licenses/LICENSE-2.0. | |
11 * | |
12 * Unless required by applicable law or agreed to in writing, software | |
13 * distributed under the License is distributed on an "AS IS" BASIS, | |
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
15 * See the License for the specific language governing permissions and | |
16 * limitations under the License. | |
17 */ | |
18 package gov.nasa.jpf.util; | |
19 | |
20 import java.util.Arrays; | |
21 | |
22 /** | |
23 * Wrapper for int[] that provides proper equals() and hashCode() methods. | |
24 */ | |
25 public class IntArray { | |
26 public final int[] data; | |
27 | |
28 public IntArray(int size) { | |
29 data = new int[size]; | |
30 } | |
31 | |
32 public IntArray(int[] data) { | |
33 this.data = data; | |
34 } | |
35 | |
36 @Override | |
37 public int hashCode() { | |
38 return Arrays.hashCode(data); | |
39 } | |
40 | |
41 @Override | |
42 public boolean equals(Object o) { | |
43 if (this == o) return true; | |
44 if (! (o instanceof IntArray)) return false; | |
45 int[] thatData = ((IntArray)o).data; | |
46 int[] thisData = this.data; | |
47 return Arrays.equals(thisData, thatData); | |
48 } | |
49 } |