01: /*
02: * Copyright (c) 2000 by Matt Welsh and The Regents of the University of
03: * California. All rights reserved.
04: *
05: * Permission to use, copy, modify, and distribute this software and its
06: * documentation for any purpose, without fee, and without written agreement is
07: * hereby granted, provided that the above copyright notice and the following
08: * two paragraphs appear in all copies of this software.
09: *
10: * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
11: * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
12: * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
13: * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
14: *
15: * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
16: * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
17: * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
18: * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO
19: * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
20: *
21: * Author: Matt Welsh <mdw@cs.berkeley.edu>
22: *
23: */
24:
25: package seda.sandStorm.lib.aSocket;
26:
27: import seda.sandStorm.api.*;
28: import seda.sandStorm.core.*;
29:
30: import java.net.*;
31: import java.io.*;
32: import java.util.*;
33:
34: /**
35: * Abstract superclass of the event handlers used by aSocket.
36: */
37: abstract class aSocketEventHandler implements EventHandlerIF {
38:
39: private static final boolean DEBUG = false;
40:
41: protected SinkIF eventQ;
42: protected SelectSourceIF selsource;
43:
44: aSocketEventHandler() {
45: this .selsource = aSocketMgr.getFactory().newSelectSource();
46: }
47:
48: // Used to let ReadStageWrapper get a handle to the selsource
49: SelectSourceIF getSelectSource() {
50: return selsource;
51: }
52:
53: public abstract void init(ConfigDataIF config);
54:
55: public abstract void destroy();
56:
57: public abstract void handleEvent(QueueElementIF qel);
58:
59: public abstract void handleEvents(QueueElementIF qelarr[]);
60:
61: }
|