Showing the changes to java/pkg/sun/management/counter/perf/PerfLongArrayCounter.java (1 of 18352 files). Show all
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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 | + | |
| 30 | +import java.nio.LongBuffer; | |
| 31 | +import java.nio.ReadOnlyBufferException; | |
| 32 | + | |
| 33 | +public class PerfLongArrayCounter extends AbstractCounter | |
| 34 | + implements LongArrayCounter { | |
| 35 | + | |
| 36 | + LongBuffer lb; | |
| 37 | + | |
| 38 | + PerfLongArrayCounter(String name, Units u, Variability v, | |
| 39 | + int flags, int vectorLength, | |
| 40 | + LongBuffer lb) { | |
| 41 | + | |
| 42 | + super(name, u, v, flags, vectorLength); | |
| 43 | + this.lb = lb; | |
| 44 | + } | |
| 45 | + | |
| 46 | + public Object getValue() { | |
| 47 | + return longArrayValue(); | |
| 48 | + } | |
| 49 | + | |
| 50 | + /** | |
| 51 | + * Get a copy of the elements of the LongArrayCounter. | |
| 52 | + */ | |
| 53 | + public long[] longArrayValue() { | |
| 54 | + | |
| 55 | + lb.position(0); | |
| 56 | + long[] l = new long[lb.limit()]; | |
| 57 | + | |
| 58 | + // copy the bytes | |
| 59 | + lb.get(l); | |
| 60 | + | |
| 61 | + return l; | |
| 62 | + } | |
| 63 | + | |
| 64 | + /** | |
| 65 | + * Get the value of an element of the LongArrayCounter object. | |
| 66 | + */ | |
| 67 | + public long longAt(int index) { | |
| 68 | + lb.position(index); | |
| 69 | + return lb.get(); | |
| 70 | + } | |
| 71 | + | |
| 72 | + /** | |
| 73 | + * Serialize as a snapshot object. | |
| 74 | + */ | |
| 75 | + protected Object writeReplace() throws java.io.ObjectStreamException { | |
| 76 | + return new LongArrayCounterSnapshot(getName(), | |
| 77 | + getUnits(), | |
| 78 | + getVariability(), | |
| 79 | + getFlags(), | |
| 80 | + getVectorLength(), | |
| 81 | + longArrayValue()); | |
| 82 | + } | |
| 83 | + | |
| 84 | + private static final long serialVersionUID = -2733617913045487126L; | |
| 85 | +} | |