GetAreaObjectsQuery


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  
21  import org.prevayler.*;
22  
23  /**
24   * Query to retrieve a list of Object identifiers associated with a particular
25   * Area.
26   *
27   * @author   Dusty Phillips [dusty@buchuki.com]
28   */
29  public class GetAreaObjectsQuery implements Query {
30  
31      /**
32       * Construct the Query with a reference to the area identifier that needs to
33       * be queried
34       *
35       * @param id  the identifier of the area that we want to determine the object
36       *      list for
37       */
38      public GetAreaObjectsQuery(Long   id) {
39          this.id = id;
40      }
41  
42      /**
43       * Execute the query
44       *
45       * @param system   the EnsmerPrevayler to interact with
46       * @param ignored  the date the item is executed, ignored in this case
47       * @return         the query's result
48       */
49      public Object   query(Object   system, Date   ignored) {
50          return ((EnsmerPrevayler) system).getObjectPrevayler().getObjectIdentifiers(id);
51      }
52  
53      /**
54       * The identifier of the Area that we want to determine the object list for.
55       */
56      private Long   id;
57  }
58  
59
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