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Java > Open Source Codes > org > apache > avalon > excalibur > command > EventPipeline


1 /*
2  * Copyright (C) The Apache Software Foundation. All rights reserved.
3  *
4  * This software is published under the terms of the Apache Software License
5  * version 1.1, a copy of which has been included with this distribution in
6  * the LICENSE.txt file.
7  */

8 package org.apache.avalon.excalibur.command;
9
10 import org.apache.avalon.excalibur.event.Sink;
11 import org.apache.avalon.excalibur.event.EventHandler;
12
13 /**
14  * An EventPipeline is used by the ThreadManager to manage the event Queue and
15  * EventHandler relationship. The ThreadManager manages the automatic forwarding
16  * of the Events from the queue to the Event Handler.
17  *
18  * @author <a HREF="mailto:bloritsch@apache.org">Berin Loritsch</a>
19  */

20 public interface EventPipeline
21 {
22     /**
23      * There can be many different sinks to merge into a pipeline. For the
24      * CommandManager, there is only one sink.
25      */

26     Sink[] getSinks();
27
28     /**
29      * Returns the reference to the EventHandler that the events from all the
30      * Sinks get merged into.
31      */

32     EventHandler getEventHandler();
33 }
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