1/*
2 * Copyright (c) 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
26package sun.jvmstat.monitor;
27
28import sun.jvmstat.monitor.*;
29
30/**
31 * Interface to support asynchronous polling of the exported
32 * instrumentation of a target Java Virtual Machine.
33 *
34 * @author Brian Doherty
35 * @since 1.5
36 */
37public interface BufferedMonitoredVm extends MonitoredVm {
38
39    /**
40     * Interface to get the bytes associated with the instrumentation
41     * for the target Java Virtual Machine.
42     *
43     * @return byte[] - a byte array containing the current bytes
44     *                  for the instrumentation exported by the
45     *                  target Java Virtual Machine.
46     */
47    byte[] getBytes();
48
49    /**
50     * Interface to get the size of the instrumentation buffer
51     * for the target Java Virtual Machine.
52     *
53     * @return int - the size of the instrumentation buffer for the
54     *               target Java Virtual Machine.
55     */
56    int getCapacity();
57}
58