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My first initial commit with all of mine experimental changes.

Dmitry Kabak (userdima committed 13 years ago

Commit d37b88d1 parent 3f5b46618352 files · +2598093 −-8690Browse files

Showing the changes to java/pkg/sun/management/counter/perf/PerfByteArrayCounter.java (1 of 18352 files). Show all

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java/pkg/sun/management/counter/perf/PerfByteArrayCounter.java+93−0
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1+/*
2+ * Copyright (c) 2003, 2004, Oracle and/or its affiliates. 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. Oracle designates this
8+ * particular file as subject to the "Classpath" exception as provided
9+ * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22+ * or visit www.oracle.com if you need additional information or have any
23+ * questions.
24+ */
25+
26+package sun.management.counter.perf;
27+
28+import sun.management.counter.*;
29+import java.nio.*;
30+
31+public class PerfByteArrayCounter extends AbstractCounter
32+ implements ByteArrayCounter {
33+
34+ ByteBuffer bb;
35+
36+ PerfByteArrayCounter(String name, Units u, Variability v,
37+ int flags, int vectorLength,
38+ ByteBuffer bb) {
39+
40+ super(name, u, v, flags, vectorLength);
41+ this.bb = bb;
42+ }
43+
44+ public Object getValue() {
45+ return byteArrayValue();
46+ }
47+
48+ /**
49+ * Get a copy of the elements of the ByteArrayCounter.
50+ */
51+ public byte[] byteArrayValue() {
52+
53+ bb.position(0);
54+ byte[] b = new byte[bb.limit()];
55+
56+ // copy the bytes
57+ bb.get(b);
58+
59+ return b;
60+ }
61+
62+ /**
63+ * Get the value of an element of the ByteArrayCounter object.
64+ */
65+ public byte byteAt(int index) {
66+ bb.position(index);
67+ return bb.get();
68+ }
69+
70+ public String toString() {
71+ String result = getName() + ": " + new String(byteArrayValue()) +
72+ " " + getUnits();
73+ if (isInternal()) {
74+ return result + " [INTERNAL]";
75+ } else {
76+ return result;
77+ }
78+ }
79+
80+ /**
81+ * Serialize as a snapshot object.
82+ */
83+ protected Object writeReplace() throws java.io.ObjectStreamException {
84+ return new ByteArrayCounterSnapshot(getName(),
85+ getUnits(),
86+ getVariability(),
87+ getFlags(),
88+ getVectorLength(),
89+ byteArrayValue());
90+ }
91+
92+ private static final long serialVersionUID = 2545474036937279921L;
93+}