1 //
2 // ========================================================================
3 // Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
8 //
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
11 //
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
14 //
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
17 //
18
19 package org.eclipse.jetty.monitor.integration;
20
21 import javax.management.ObjectName;
22
23 import org.eclipse.jetty.monitor.triggers.AttrEventTrigger;
24
25
26 /* ------------------------------------------------------------ */
27 /**
28 */
29 public class JavaMonitorTrigger <TYPE extends Comparable<TYPE>>
30 extends AttrEventTrigger<TYPE>
31 {
32 private final String _id;
33 private final String _name;
34 private final boolean _dynamic;
35 private int _count;
36
37 /* ------------------------------------------------------------ */
38 /**
39 * @param nameObject
40 * @param attributeName
41 * @param id
42 * @param dynamic
43 * @throws IllegalArgumentException
44 */
45 public JavaMonitorTrigger(ObjectName nameObject, String attributeName, String id, String name, boolean dynamic)
46 throws IllegalArgumentException
47 {
48 super(nameObject, attributeName);
49
50 _id = id;
51 _name = name;
52 _dynamic = dynamic;
53 }
54
55 /* ------------------------------------------------------------ */
56 /**
57 * @see org.eclipse.jetty.monitor.triggers.AttrEventTrigger#match(java.lang.Comparable)
58 */
59 @Override
60 public boolean match(Comparable<TYPE> value)
61 {
62 return _dynamic ? true : (_count++ < 1);
63 }
64
65 protected boolean getSaveAll()
66 {
67 return false;
68 }
69
70 @Override
71 public String getID()
72 {
73 return _id;
74 }
75
76 @Override
77 public String getNameString()
78 {
79 return _name;
80 }
81 }