blob: 2005ac653b0af66972419490dbecce80633ba1f4 [file] [log] [blame]
J. Duke319a3b92007-12-01 00:00:00 +00001/*
2 * Copyright 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
26package sun.jvmstat.perfdata.monitor.protocol.file;
27
28import sun.jvmstat.monitor.*;
29import sun.jvmstat.monitor.event.VmListener;
30import sun.jvmstat.perfdata.monitor.*;
31import java.util.List;
32import java.lang.reflect.*;
33import java.io.*;
34
35/**
36 * Concrete implementation of the AbstractMonitoredVm class for the
37 * <em>file:</em> protcol for the HotSpot PerfData monitoring implementation.
38 * <p>
39 * This class provides the ability to attach to the instrumentation buffer
40 * (saved or live) of a target Java Virtual Machine by providing a
41 * <em>file</em> URI to a file containing the instrmentation buffer data.
42 *
43 * @author Brian Doherty
44 * @since 1.5
45 */
46public class FileMonitoredVm extends AbstractMonitoredVm {
47
48 /**
49 * Create a FileMonitoredVm instance.
50 *
51 * @param vmid the vm identifier referring to the file
52 * @param interval sampling interval (unused in this protocol).
53 */
54 public FileMonitoredVm(VmIdentifier vmid, int interval)
55 throws MonitorException {
56 super(vmid, interval);
57 this.pdb = new PerfDataBuffer(vmid);
58 }
59
60 /**
61 * {@inheritDoc}.
62 *<p>
63 * Note - the <em>file:</em> protocol currently does not support
64 * the registration or notification of listeners.
65 */
66 public void addVmListener(VmListener l) { }
67
68 /**
69 * {@inheritDoc}.
70 *<p>
71 * Note - the <em>file:</em> protocol currently does not support
72 * the registration or notification of listeners.
73 */
74 public void removeVmListener(VmListener l) { }
75}