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Java > Open Source Codes > ch > ethz > prose > filter > ObjectIdenticalToFilter


1 //
2 // This file is part of the prose package.
3 //
4 // The contents of this file are subject to the Mozilla Public License
5 // Version 1.1 (the "License"); you may not use this file except in
6 // compliance with the License. You may obtain a copy of the License at
7 // http://www.mozilla.org/MPL/
8 //
9 // Software distributed under the License is distributed on an "AS IS" basis,
10 // WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 // for the specific language governing rights and limitations under the
12 // License.
13 //
14 // The Original Code is prose.
15 //
16 // The Initial Developer of the Original Code is Andrei Popovici. Portions
17 // created by Andrei Popovici are Copyright (C) 2002 Andrei Popovici.
18 // All Rights Reserved.
19 //
20 // Contributor(s):
21 //$Id: ObjectIdenticalToFilter.java,v 1.2 2003/07/17 11:14:16 apopovic Exp $
22 //=====================================================================
23 //
24 //(history at end)
25 //
26
27 package ch.ethz.prose.filter;
28
29   class ObjectIdenticalToFilter extends ObjectFilter
30   {
31     Object JavaDoc toBeComparedAgainst = null;
32     protected ObjectIdenticalToFilter(int extrMode, Object JavaDoc other)
33       {
34     super(extrMode);
35     toBeComparedAgainst = other;
36     if (other == null)
37       throw new IllegalArgumentException JavaDoc("Target.equal(): null argument");
38       }
39
40     protected boolean doIsSpecialObject(Object JavaDoc target)
41       {
42     return toBeComparedAgainst == target;
43       }
44   }
45
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