GetNextAreaIDQuery


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 org.prevayler.*;
19  import com.buchuki.ensmer.prevayler.*;
20  import java.util.Date  ;
21  
22  /**
23   * Query to retrieve the next <code>long</code> identifier for a brand new
24   * Area.
25   *
26   * @author Dusty Phillips [dusty@buchuki.com]
27   */
28  public class GetNextAreaIDQuery implements Query {
29  
30      /**
31       * Execute the query
32       *
33       * @param system the EnsmerPrevayler to interact with
34       * @param ignored the date the item is executed, ignored in this case
35       * @return the query's result
36       */
37      public Object   query(Object   system, Date   ignored) {
38          return ((EnsmerPrevayler) system).getAreaPrevayler().nextAreaIdentifier();
39      }
40  }
41

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