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Java > Open Source Codes > org > mr > core > net > IndirectTransport


1 /*
2  * Copyright 2002 by
3  * <a HREF="http://www.coridan.com">Coridan</a>
4  * <a HREF="mailto: support@coridan.com ">support@coridan.com</a>
5  *
6  * The contents of this file are subject to the Mozilla Public License Version
7  * 1.1 (the "License"); you may not use this file except in compliance with the
8  * License. You may obtain a copy of the License at
9  * http://www.mozilla.org/MPL/
10  *
11  * Software distributed under the License is distributed on an "AS IS" basis,
12  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
13  * for the specific language governing rights and limitations under the
14  * License.
15  *
16  * The Original Code is "MantaRay" (TM).
17  *
18  * The Initial Developer of the Original Code is Uri Schneider.
19  * Portions created by the Initial Developer are Copyright (C) 2006
20  * Coridan Inc. All Rights Reserved.
21  *
22  * Contributor(s): all the names of the contributors are added in the source
23  * code where applicable.
24  *
25  * Alternatively, the contents of this file may be used under the terms of the
26  * LGPL license (the "GNU LESSER GENERAL PUBLIC LICENSE"), in which case the
27  * provisions of LGPL are applicable instead of those above. If you wish to
28  * allow use of your version of this file only under the terms of the LGPL
29  * License and not to allow others to use your version of this file under
30  * the MPL, indicate your decision by deleting the provisions above and
31  * replace them with the notice and other provisions required by the LGPL.
32  * If you do not delete the provisions above, a recipient may use your version
33  * of this file under either the MPL or the GNU LESSER GENERAL PUBLIC LICENSE.
34  
35  *
36  * This library is free software; you can redistribute it and/or modify it
37  * under the terms of the MPL as stated above or under the terms of the GNU
38  * Lesser General Public License as published by the Free Software Foundation;
39  * either version 2.1 of the License, or any later version.
40  *
41  * This library is distributed in the hope that it will be useful, but WITHOUT
42  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
43  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
44  * License for more details.
45  */
46
47 package org.mr.core.net;
48
49 import java.net.InetAddress JavaDoc;
50 import java.net.InetSocketAddress JavaDoc;
51 import java.nio.channels.SocketChannel JavaDoc;
52 import java.util.List JavaDoc;
53
54 import org.mr.core.stats.StatManager;
55
56 /**
57  * IndirectTransport.java
58  *
59  * Like Transport, only indirect. An indirect transport uses an
60  * existing regular transport through which it sends messages.
61  * Indirect transports never receives any messages.
62  *
63  * Created: Wed Jul 20 12:51:12 2005
64  *
65  * @author Uri Schneider
66  * @version 1.0
67  */
68
69 public class IndirectTransport extends Transport {
70     private Transport master;
71
72     public IndirectTransport(TransportInfo info, String JavaDoc myAgentName,
73                              String JavaDoc remoteAgentName, NetworkListener listener,
74                              StatManager statManager,
75                              NetworkSelector selector, Transport master)
76 {
77         super(info, myAgentName, remoteAgentName, listener, statManager,
78               selector, false);
79         this.master = master;
80     }
81
82     public void createImpls() {
83         // TODO
84 }
85
86     public boolean isConnected() {
87         return this.master.isConnected();
88     }
89
90     public boolean isInitialized() {
91         return this.master.isInitialized();
92     }
93
94     public void setInitialized(InetAddress JavaDoc local, boolean initId) {
95         // TODO: probably nothing to do here, as this won't be called ever
96 }
97
98     public void finishedConnecting(SocketChannel JavaDoc channel) {
99         // TODO: probably nothing to do here, as this won't be called ever
100 }
101
102     void finishedConnecting(TransportImpl impl) {
103         // TODO: probably nothing to do here, as this won't be called ever
104 }
105
106     public void shutdown() {
107         // TODO: check who calls this
108 }
109
110     public void sendMantaMessage(CNLMessage cnlMessage) {
111         this.master.sendMantaMessage(cnlMessage);
112     }
113
114     public void mergeImpl(TransportImpl newImpl, boolean initId) {
115         // TODO: check who calls this
116 }
117
118     public void acceptedChannel(SocketChannel JavaDoc channel) {
119         // TODO: probably nothing to do here, as this won't be called ever
120 }
121
122     public void acceptedImpl(TransportImpl impl) {
123         // TODO: probably nothing to do here, as this won't be called ever
124 }
125
126     public void messageReady(CNLMessage message) {
127         // TODO: probably nothing to do here, as this won't be called ever
128 }
129
130     public List JavaDoc getConnectedImpls() {
131         return this.master.getConnectedImpls();
132     }
133
134     // TODO(?): for now all the stats will be counted on the master transport
135
136     public void keepalive() {
137         if (this.stateListener != null) {
138             if (this.master.isInitialized()) {
139                 this.stateListener.transportUp(this);
140             } else {
141                 this.stateListener.transportDown(this);
142             }
143         }
144     }
145
146     public boolean isIndirect() {
147         return true;
148     }
149
150     public void activityDetected() {
151         // TODO: probably won't be called
152 }
153
154     public void implShutdown() {
155         // TODO: probably won't be called
156 }
157
158     public InetSocketAddress JavaDoc getLocalSocketAddress() {
159         return this.master.getLocalSocketAddress();
160     }
161 } // IndirectTransport
162
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