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Java > Open Source Codes > org > apache > ojb > broker > prevayler > CommandDelete


1 package org.apache.ojb.broker.prevayler;
2
3 /* Copyright 2003-2005 The Apache Software Foundation
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17  
18 import java.io.Serializable JavaDoc;
19
20 import org.prevayler.Command;
21 import org.prevayler.PrevalentSystem;
22
23 /**
24  * @author Thomas Mahler
25  * Command to delete an object in the Database
26  */
27 public class CommandDelete implements Command
28 {
29     private final Object JavaDoc objectToDelete;
30
31     /**
32      * Constructor for CommandDelete.
33      */
34     public CommandDelete(Object JavaDoc obj)
35     {
36         objectToDelete = obj;
37     }
38
39     /**
40      * @see org.prevayler.Command#execute(PrevalentSystem)
41      */
42     public Serializable JavaDoc execute(PrevalentSystem system) throws Exception JavaDoc
43     {
44         ((Database) system).remove(objectToDelete);
45         return null;
46     }
47
48 }
49
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