1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/*******************************************************************************
* Copyright (c) 2005, 2007 committers of openArchitectureWare and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* committers of openArchitectureWare - initial API and implementation
*******************************************************************************/
package org.eclipse.internal.xtend.util;
import java.io.Serializable;
/**
* This class provides combines three objects into one, giving them appropriate
* equals and hashCode methods.
*
* @author Arno Haase
*/
public class Triplet<T1, T2, T3> implements Serializable, Cloneable {
private static final long serialVersionUID = -3721045730655830208L;
private T1 _first;
private T2 _second;
private T3 _third;
public Triplet(T1 first, T2 second, T3 third) {
_first = first;
_second = second;
_third = third;
}
public T1 getFirst() {
return _first;
}
public T2 getSecond() {
return _second;
}
public T3 getThird() {
return _third;
}
public void setFirst(T1 first) {
_first = first;
}
public void setSecond(T2 second) {
_second = second;
}
public void setThird(T3 third) {
_third = third;
}
public String toString() {
return "Triplet [" + _first + ", " + _second + ", " + _third + "]";
}
public boolean equals(Object o) {
if (this == o)
return true;
if (!(o instanceof Triplet))
return false;
final Triplet<?, ?, ?> triplet = (Triplet<?, ?, ?>) o;
if (_first != null ? !_first.equals(triplet._first) : triplet._first != null)
return false;
if (_second != null ? !_second.equals(triplet._second) : triplet._second != null)
return false;
if (_third != null ? !_third.equals(triplet._third) : triplet._third != null)
return false;
return true;
}
public int hashCode() {
int result;
result = (_first != null ? _first.hashCode() : 0);
result = 29 * result + (_second != null ? _second.hashCode() : 0);
result = 29 * result + (_third != null ? _third.hashCode() : 0);
return result;
}
public Object clone() {
try {
return super.clone();
} catch (CloneNotSupportedException e) {
throw new InternalError("Should not be thrown: " + e);
}
}
}
|