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 | } | ||