2
|
1 |
/*
|
|
2 |
* Copyright 2003-2004 Sun Microsystems, Inc. All Rights Reserved.
|
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
4 |
*
|
|
5 |
* This code is free software; you can redistribute it and/or modify it
|
|
6 |
* under the terms of the GNU General Public License version 2 only, as
|
|
7 |
* published by the Free Software Foundation. Sun designates this
|
|
8 |
* particular file as subject to the "Classpath" exception as provided
|
|
9 |
* by Sun in the LICENSE file that accompanied this code.
|
|
10 |
*
|
|
11 |
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
12 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
13 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
14 |
* version 2 for more details (a copy is included in the LICENSE file that
|
|
15 |
* accompanied this code).
|
|
16 |
*
|
|
17 |
* You should have received a copy of the GNU General Public License version
|
|
18 |
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
19 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
20 |
*
|
|
21 |
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
|
|
22 |
* CA 95054 USA or visit www.sun.com if you need additional information or
|
|
23 |
* have any questions.
|
|
24 |
*/
|
|
25 |
|
|
26 |
package sun.management.counter.perf;
|
|
27 |
|
|
28 |
import sun.management.counter.*;
|
|
29 |
import java.nio.LongBuffer;
|
|
30 |
import java.nio.ReadOnlyBufferException;
|
|
31 |
|
|
32 |
public class PerfLongCounter extends AbstractCounter
|
|
33 |
implements LongCounter {
|
|
34 |
|
|
35 |
LongBuffer lb;
|
|
36 |
|
|
37 |
// package private
|
|
38 |
PerfLongCounter(String name, Units u, Variability v, int flags,
|
|
39 |
LongBuffer lb) {
|
|
40 |
super(name, u, v, flags);
|
|
41 |
this.lb = lb;
|
|
42 |
}
|
|
43 |
|
|
44 |
public Object getValue() {
|
|
45 |
return new Long(lb.get(0));
|
|
46 |
}
|
|
47 |
|
|
48 |
/**
|
|
49 |
* Get the value of this Long performance counter
|
|
50 |
*/
|
|
51 |
public long longValue() {
|
|
52 |
return lb.get(0);
|
|
53 |
}
|
|
54 |
|
|
55 |
/**
|
|
56 |
* Serialize as a snapshot object.
|
|
57 |
*/
|
|
58 |
protected Object writeReplace() throws java.io.ObjectStreamException {
|
|
59 |
return new LongCounterSnapshot(getName(),
|
|
60 |
getUnits(),
|
|
61 |
getVariability(),
|
|
62 |
getFlags(),
|
|
63 |
longValue());
|
|
64 |
}
|
|
65 |
}
|