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Java > Open Source Codes > org > objectweb > joram > mom > proxies > ReliableConnectionContext


1 /*
2  * JORAM: Java(TM) Open Reliable Asynchronous Messaging
3  * Copyright (C) 2001 - 2006 ScalAgent Distributed Technologies
4  * Copyright (C) 1996 - 2000 Dyade
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19  * USA.
20  *
21  * Initial developer(s): ScalAgent Distributed Technologies
22  *
23  * Created on 15 mai 2006
24  *
25  */
26 package org.objectweb.joram.mom.proxies;
27
28 import java.io.Serializable JavaDoc;
29
30 import org.objectweb.joram.shared.excepts.MomException;
31 import org.objectweb.joram.shared.client.AbstractJmsReply;
32 import org.objectweb.joram.shared.client.AbstractJmsRequest;
33 import org.objectweb.joram.shared.client.MomExceptionReply;
34 import org.objectweb.joram.shared.client.CnxCloseRequest;
35
36 /**
37  *
38  */
39 public class ReliableConnectionContext implements ConnectionContext, Serializable JavaDoc {
40
41   private int key;
42
43   private long inputCounter;
44
45   private long outputCounter;
46
47   private AckedQueue queue;
48
49   private int heartBeat;
50   
51   private ProxyImpl proxyImpl;
52   
53   private boolean closed;
54
55   ReliableConnectionContext(ProxyImpl proxyImpl, int key, int heartBeat) {
56     this.key = key;
57     this.heartBeat = heartBeat;
58     this.proxyImpl = proxyImpl;
59     inputCounter = -1;
60     outputCounter = 0;
61     queue = new AckedQueue();
62     closed = false;
63   }
64   
65   public int getKey() {
66     return key;
67   }
68   
69   public AckedQueue getQueue() {
70     return queue;
71   }
72   
73   public int getHeartBeat() {
74     return heartBeat;
75   }
76   
77   public long getInputCounter() {
78     return inputCounter;
79   }
80   
81   public AbstractJmsRequest getRequest(Object JavaDoc obj) {
82     ProxyMessage msg = (ProxyMessage)obj;
83     inputCounter = msg.getId();
84     AbstractJmsRequest request = (AbstractJmsRequest) msg.getObject();
85     queue.ack(msg.getAckId());
86     if (request instanceof CnxCloseRequest) {
87       closed = true;
88     }
89     return request;
90   }
91   
92   public void pushReply(AbstractJmsReply reply) {
93     ProxyMessage msg = new ProxyMessage(outputCounter, inputCounter, reply);
94     queue.push(msg);
95     outputCounter++;
96   }
97   
98   public void pushError(MomException exc) {
99     queue.push(new ProxyMessage(-1, -1, new MomExceptionReply(exc)));
100   }
101   
102   public boolean isClosed() {
103     return closed;
104   }
105 }
106
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