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1   /*
2    *  Copyright 2004 The Apache Software Foundation
3    *
4    *  Licensed under the Apache License, Version 2.0 (the "License");
5    *  you may not use this file except in compliance with the License.
6    *  You may obtain a copy of the License at
7    *
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    *
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 net.sf.collections15.set;
17  
18  import java.io.IOException;
19  import java.io.ObjectInputStream;
20  import java.io.ObjectOutputStream;
21  import java.io.Serializable;
22  import java.util.Collection;
23  import java.util.Set;
24  
25  /***
26   * Serializable subclass of AbstractSetDecorator.
27   * 
28   * @author Stephen Colebourne
29   * @since Commons Collections 3.1
30   */
31  public abstract class AbstractSerializableSetDecorator<E>
32          extends AbstractSetDecorator<E>
33          implements Serializable {
34  
35  
36  	/*** Serialization version */
37  	private static final long serialVersionUID = 3257845480766845232L;
38  
39      /***
40       * Constructor.
41       */
42      protected AbstractSerializableSetDecorator(Set<E> set) {
43          super(set);
44      }
45  
46      //-----------------------------------------------------------------------
47      /***
48       * Write the set out using a custom routine.
49       * 
50       * @param out  the output stream
51       * @throws IOException
52       */
53      private void writeObject(ObjectOutputStream out) throws IOException {
54          out.defaultWriteObject();
55          out.writeObject(collection);
56      }
57  
58      /***
59       * Read the set in using a custom routine.
60       * 
61       * @param in  the input stream
62       * @throws IOException
63       * @throws ClassNotFoundException
64       */
65      private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
66          in.defaultReadObject();
67          collection = (Collection<E>) in.readObject();
68      }
69  
70  }