01: package org.apache.ojb.broker.prevayler;
02:
03: /* Copyright 2003-2005 The Apache Software Foundation
04: *
05: * Licensed under the Apache License, Version 2.0 (the "License");
06: * you may not use this file except in compliance with the License.
07: * You may obtain a copy of the License at
08: *
09: * 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;
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: private final Object objectToDelete;
29:
30: /**
31: * Constructor for CommandDelete.
32: */
33: public CommandDelete(Object obj) {
34: objectToDelete = obj;
35: }
36:
37: /**
38: * @see org.prevayler.Command#execute(PrevalentSystem)
39: */
40: public Serializable execute(PrevalentSystem system)
41: throws Exception {
42: ((Database) system).remove(objectToDelete);
43: return null;
44: }
45:
46: }
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