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Java > Open Source Codes > com > buchuki > ensmer > prevayler > queries > SetCurrentAreaTransaction


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 import java.util.Date JavaDoc;
18 import com.buchuki.ensmer.prevayler.*;
19
20 import org.prevayler.*;
21
22 /**
23  * Query to notify which area is the <q>current</q> Area. This refers to the
24  * area that is currently displayed.
25  *
26  * @author Dusty Phillips [dusty@buchuki.com]
27  */
28 public class SetCurrentAreaTransaction implements Transaction {
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 Transaction with a reference to the id to be added
38      *
39      * @param id the id for the new area
40      */
41     public SetCurrentAreaTransaction(long id) {
42         this.id = id;
43     }
44
45     /**
46      * Execute the transaction
47      *
48      * @param system the EnsmerPrevayler to operate on
49      * @param ignored the time at which the transaction was executed; ignored in
50      * this case
51      */
52     public void executeOn(Object JavaDoc system, Date JavaDoc ignored) {
53         ((EnsmerPrevayler) system).getAreaPrevayler().setCurrentArea(id);
54     }
55
56     /**
57      * The AreaID to serialize
58      */
59     private long id;
60 }
61
62
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