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
|
/*
* 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.binding.jms;
import java.lang.reflect.InvocationTargetException;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.naming.NamingException;
import org.apache.tuscany.spi.extension.TargetInvokerExtension;
/**
* Invoke a JMS reference.
*/
public class JMSTargetInvoker extends TargetInvokerExtension {
protected JMSBindingDefinition jmsBinding;
protected JMSResourceFactory jmsResourceFactory;
protected String operationName;
protected OperationAndDataBinding requestOperationAndDataBinding;
protected OperationAndDataBinding responseOperationAndDataBinding;
protected Destination requestDest;
protected Destination replyDest;
public JMSTargetInvoker(JMSResourceFactory jmsResourceFactory,
JMSBindingDefinition jmsBinding,
String operationName,
OperationAndDataBinding requestOperationAndDataBinding,
OperationAndDataBinding responseOperationAndDataBinding,
Destination requestDest,
Destination replyDest) {
super(null, null, null);
this.jmsBinding = jmsBinding;
this.jmsResourceFactory = jmsResourceFactory;
this.operationName = operationName;
this.requestOperationAndDataBinding = requestOperationAndDataBinding;
this.responseOperationAndDataBinding = responseOperationAndDataBinding;
this.requestDest = requestDest;
this.replyDest = replyDest;
}
public Object invokeTarget(Object payload, final short sequence) throws InvocationTargetException {
try {
Session session = jmsResourceFactory.createSession();
try {
Destination replyToDest = (replyDest != null) ? replyDest : session.createTemporaryQueue();
Message requestMsg = sendRequest((Object[])payload, session, replyToDest);
Message replyMsg = receiveReply(session, replyToDest, requestMsg.getJMSMessageID());
return responseOperationAndDataBinding.extractPayload(replyMsg);
} finally {
session.close();
}
} catch (JMSException e) {
throw new InvocationTargetException(e);
} catch (NamingException e) {
throw new InvocationTargetException(e);
}
}
protected Message sendRequest(Object[] payload, Session session, Destination replyToDest) throws JMSException {
Message requestMsg = requestOperationAndDataBinding.createJMSMessage(session, payload);
requestMsg.setJMSDeliveryMode(jmsBinding.getDeliveryMode());
requestMsg.setJMSPriority(jmsBinding.getPriority());
requestOperationAndDataBinding.setOperationName(operationName, requestMsg);
requestMsg.setJMSReplyTo(replyToDest);
MessageProducer producer = session.createProducer(requestDest);
try {
producer.send(requestMsg);
} finally {
producer.close();
}
return requestMsg;
}
protected Message receiveReply(Session session, Destination replyToDest, String requestMsgId) throws JMSException,
NamingException {
String msgSelector = "JMSCorrelationID = '" + requestMsgId + "'";
MessageConsumer consumer = session.createConsumer(replyToDest, msgSelector);
Message replyMsg;
try {
jmsResourceFactory.startConnection();
replyMsg = consumer.receive(jmsBinding.getTimeToLive());
} finally {
consumer.close();
}
return replyMsg;
}
}
|
