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Java > Open Source Codes > org > objectweb > dream > exception > RetryPushImpl


1 /**
2  * Dream
3  * Copyright (C) 2003-2004 INRIA Rhone-Alpes
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18  *
19  * Contact: dream@objectweb.org
20  *
21  * Initial developer(s): Matthieu Leclercq
22  * Contributor(s):
23  */
24
25 package org.objectweb.dream.exception;
26
27 import java.util.Map JavaDoc;
28
29 import org.objectweb.dream.AbstractComponent;
30 import org.objectweb.dream.Push;
31 import org.objectweb.dream.PushException;
32 import org.objectweb.dream.message.Message;
33 import org.objectweb.fractal.api.NoSuchInterfaceException;
34 import org.objectweb.fractal.api.control.IllegalBindingException;
35 import org.objectweb.fractal.api.control.IllegalLifeCycleException;
36 import org.objectweb.util.monolog.api.BasicLevel;
37
38 /**
39  * This component forwards incoming messages, if a {@link PushException }is
40  * catched, the message is pushed again. If a {@link PushException }occurs a
41  * second time, it is thrown.
42  */
43 public class RetryPushImpl extends AbstractComponent implements Push
44 {
45
46   // ---------------------------------------------------------------------------
47 // Client interface
48 // ---------------------------------------------------------------------------
49
50   protected Push outPushItf;
51
52   // ---------------------------------------------------------------------------
53 // Implementation of the Push interface
54 // ---------------------------------------------------------------------------
55
56   /**
57    * @see Push#push(Message, Map)
58    */
59   public void push(Message message, Map JavaDoc context) throws PushException
60   {
61     try
62     {
63       outPushItf.push(message, context);
64     }
65     catch (PushException e)
66     {
67       logger.log(BasicLevel.INFO, "Catched Push Exception retry immediatly. ",
68           e);
69       outPushItf.push(message, context);
70     }
71   }
72
73   // ---------------------------------------------------------------------------
74 // Implementation of the BindingController interface
75 // ---------------------------------------------------------------------------
76
77   /**
78    * @see org.objectweb.fractal.api.control.BindingController#listFc()
79    */
80   public String JavaDoc[] listFc()
81   {
82     return new String JavaDoc[]{Push.OUT_PUSH_ITF_NAME};
83   }
84
85   /**
86    * @see org.objectweb.fractal.api.control.BindingController#bindFc(String,
87    * Object)
88    */
89   public void bindFc(String JavaDoc clientItfName, Object JavaDoc serverItf)
90       throws NoSuchInterfaceException, IllegalBindingException,
91       IllegalLifeCycleException
92   {
93     super.bindFc(clientItfName, serverItf);
94     if (clientItfName.equals(Push.OUT_PUSH_ITF_NAME))
95     {
96       outPushItf = (Push) serverItf;
97     }
98   }
99 }
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