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Java > Open Source Codes > org > apache > activemq > transport > MutexTransport


1 /**
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one or more
4  * contributor license agreements. See the NOTICE file distributed with
5  * this work for additional information regarding copyright ownership.
6  * The ASF licenses this file to You under the Apache License, Version 2.0
7  * (the "License"); you may not use this file except in compliance with
8  * the License. You may obtain a copy of the License at
9  *
10  * http://www.apache.org/licenses/LICENSE-2.0
11  *
12  * Unless required by applicable law or agreed to in writing, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */
18 package org.apache.activemq.transport;
19
20 import java.io.IOException JavaDoc;
21 import org.apache.activemq.command.ShutdownInfo;
22
23
24
25 /**
26  * @version $Revision$
27  */
28 public class MutexTransport extends TransportFilter {
29
30     private final Object JavaDoc writeMutex = new Object JavaDoc();
31     
32     public MutexTransport(Transport next) {
33         super(next);
34     }
35
36     public FutureResponse asyncRequest(Object JavaDoc command, ResponseCallback responseCallback) throws IOException JavaDoc {
37         synchronized(writeMutex) {
38             return next.asyncRequest(command, null);
39         }
40     }
41
42     public void oneway(Object JavaDoc command) throws IOException JavaDoc{
43         synchronized(writeMutex){
44             next.oneway(command);
45         }
46     }
47
48     public Object JavaDoc request(Object JavaDoc command) throws IOException JavaDoc {
49         synchronized(writeMutex) {
50             return next.request(command);
51         }
52     }
53     
54     public Object JavaDoc request(Object JavaDoc command,int timeout) throws IOException JavaDoc {
55         synchronized(writeMutex){
56             return next.request(command,timeout);
57         }
58     }
59     
60     public String JavaDoc toString() {
61         return next.toString();
62     }
63     
64 }
65
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