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
|
/**
* Copyright 2010 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are
* permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* The views and conclusions contained in the software and documentation are those of the
* authors and should not be interpreted as representing official policies, either expressed
* or implied, of JogAmp Community.
*/
package com.jogamp.common.util;
public class VersionNumber implements Comparable {
protected int major;
protected int minor;
protected int sub;
public VersionNumber(int majorRev, int minorRev, int subMinorRev) {
major = majorRev;
minor = minorRev;
sub = subMinorRev;
}
protected VersionNumber() { }
public final int hashCode() {
// 31 * x == (x << 5) - x
int hash = 31 + major;
hash = ((hash << 5) - hash) + minor;
return ((hash << 5) - hash) + sub;
}
public final boolean equals(Object o) {
return 0 == compareTo(o);
}
public final int compareTo(Object o) {
if( ! ( o instanceof VersionNumber ) ) {
return -1;
}
VersionNumber vo = (VersionNumber) o;
if (major > vo.major) {
return 1;
} else if (major < vo.major) {
return -1;
} else if (minor > vo.minor) {
return 1;
} else if (minor < vo.minor) {
return -1;
} else if (sub > vo.sub) {
return 1;
} else if (sub < vo.sub) {
return -1;
}
return 0; // they are equal
}
public final int getMajor() {
return major;
}
public final int getMinor() {
return minor;
}
public final int getSub() {
return sub;
}
public String toString() {
return major + "." + minor + "." + sub ;
}
}
|
