01: /*
02: * Copyright 2003-2004 The Apache Software Foundation
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: package org.apache.commons.collections.set;
17:
18: import java.util.Set;
19:
20: import org.apache.commons.collections.collection.AbstractCollectionDecorator;
21:
22: /**
23: * Decorates another <code>Set</code> to provide additional behaviour.
24: * <p>
25: * Methods are forwarded directly to the decorated set.
26: *
27: * @since Commons Collections 3.0
28: * @version $Revision: 155406 $ $Date: 2005-02-26 12:55:26 +0000 (Sat, 26 Feb 2005) $
29: *
30: * @author Stephen Colebourne
31: */
32: public abstract class AbstractSetDecorator extends
33: AbstractCollectionDecorator implements Set {
34:
35: /**
36: * Constructor only used in deserialization, do not use otherwise.
37: * @since Commons Collections 3.1
38: */
39: protected AbstractSetDecorator() {
40: super ();
41: }
42:
43: /**
44: * Constructor that wraps (not copies).
45: *
46: * @param set the set to decorate, must not be null
47: * @throws IllegalArgumentException if set is null
48: */
49: protected AbstractSetDecorator(Set set) {
50: super (set);
51: }
52:
53: /**
54: * Gets the set being decorated.
55: *
56: * @return the decorated set
57: */
58: protected Set getSet() {
59: return (Set) getCollection();
60: }
61:
62: }
|