RemoveSpecialAreaIDTransaction


1   /*
2    *    Copyright 2004 Dusty Phillips
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 com.buchuki.ensmer.prevayler.queries;
17  
18  import java.util.Date  ;
19  import com.buchuki.ensmer.prevayler.*;
20  import org.prevayler.*;
21  
22  /**
23   * Remove a reference to a special identifier based on its name. The actual area
24   * is not touched, only the special-->Long mapping is removed.
25   *
26   * @author   Dusty Phillips [dusty@buchuki.com]
27   */
28  public class RemoveSpecialAreaIDTransaction implements TransactionWithQuery {
29  
30      /**
31       * Give it a SerialVersionUID so it can be reinstantiated by later versions
32       * of the class
33       */
34      static final long serialVersionUID = 20050328L;
35  
36      /**
37       * Create a RemoveSpecialAreaIDTransaction with a reference to the 
38       * special ID to remove a mapping for.
39       *
40       * @param id            the id for the new object
41       */
42      public RemoveSpecialAreaIDTransaction(String   id) {
43          this.id = id;
44      }
45  
46      /**
47       * Execute the transaction
48       *
49       * @param system   the EnsmerPrevayler to operate on
50       * @param ignored  the time at which the transaction was executed; ignored in
51       *      this case
52       */
53      public Object   executeAndQuery(Object   system, Date   ignored) {
54          return ((EnsmerPrevayler) system).getSpecialAreaMap().remove(id);
55      }
56  
57      /**
58       * The ObjectID to serialize
59       */
60      private String   id;
61  }
62  
63
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