blob: f6fa58a77c41a9c7deb231a3bcd4f9a6c9ce4cea (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.tuscany.service.management.jmx.agent;
import java.io.IOException;
import java.net.MalformedURLException;
import java.rmi.RemoteException;
import java.rmi.registry.LocateRegistry;
import java.rmi.registry.Registry;
import java.rmi.server.UnicastRemoteObject;
import javax.management.remote.JMXServiceURL;
/**
* Utility for starting the JMX server with an RMI agent.
*
* @version $Revsion$ $Date$
*
*/
public class RmiAgent extends AbstractAgent {
/** Administration port system property. */
private static final String ADMIN_PORT_PROPERTY = "tuscany.adminPort";
/** Default admin port. */
private static final int DEFAULT_ADMIN_PORT = 1099;
/** Instance */
private static final Agent INSTANCE = new RmiAgent();
/** RMI registry. */
private Registry registry;
/** Listen port */
private int port = DEFAULT_ADMIN_PORT;
/**
* Gets the adaptor URL.
* @return Adaptor URL used by the agent.
* @throws ManagementException If unable to start the agent.
*/
protected JMXServiceURL getAdaptorUrl() throws ManagementException {
try {
String portValue = System.getProperty(ADMIN_PORT_PROPERTY);
if(portValue != null) {
port = Integer.parseInt(portValue);
}
// service:jmx:rmi:///jndi/rmi://localhost:1099/server
return new JMXServiceURL("service:jmx:rmi:///jndi/rmi://localhost:" + port + "/server");
} catch (MalformedURLException ex) {
throw new ManagementException(ex);
}
}
/**
* Returns the singleton agent instance.
* @return Agent instance.
* @throws ManagementException If unable to start the agent.
*/
public static Agent getInstance() throws ManagementException {
return INSTANCE;
}
/**
* @see org.apache.tuscany.service.management.jmx.agent.AbstractAgent#preStart()
*/
@Override
public void preStart() throws ManagementException {
try {
String portValue = System.getProperty(ADMIN_PORT_PROPERTY);
if(portValue != null) {
port = Integer.parseInt(portValue);
}
registry = LocateRegistry.createRegistry(port);
} catch (RemoteException ex) {
throw new ManagementException(ex);
}
}
/**
* @see org.apache.tuscany.service.management.jmx.agent.AbstractAgent#postStop()
*/
@Override
public void postStop() throws ManagementException {
try {
UnicastRemoteObject.unexportObject(registry, true);
} catch (IOException ex) {
throw new ManagementException(ex);
}
}
}
|
