01: /*
02: * Copyright (c) 2001 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.api;
26:
27: /**
28: * This exception can be thrown if an inappropriate queue element
29: * is pushed onto a SinkIF.
30: */
31: public class BadQueueElementException extends SinkException {
32:
33: /**
34: * The event that was received.
35: */
36: public QueueElementIF event;
37:
38: /**
39: * Create a new BadQueueElementException with the given explanatory
40: * message and event.
41: */
42: public BadQueueElementException(String msg, QueueElementIF event) {
43: super (msg);
44: this .event = event;
45: }
46:
47: /**
48: * make sure the event is added to debugging output
49: */
50: public String toString() {
51: return super .toString() + " event=" + event;
52: }
53: }
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