View Javadoc

1   /*
2    * Copyright 2006-2007 the original author or authors.
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  
17  package org.springframework.batch.repeat.policy;
18  
19  import org.springframework.batch.repeat.CompletionPolicy;
20  import org.springframework.batch.repeat.RepeatStatus;
21  import org.springframework.batch.repeat.RepeatContext;
22  
23  /**
24   * Very simple {@link CompletionPolicy} that bases its decision on the result of
25   * a batch operation. If the result is null or not continuable according to the
26   * {@link RepeatStatus} the batch is complete, otherwise not.
27   * 
28   * @author Dave Syer
29   * 
30   */
31  public class DefaultResultCompletionPolicy extends CompletionPolicySupport {
32  
33  	/**
34  	 * True if the result is null, or a {@link RepeatStatus} indicating
35  	 * completion.
36  	 * 
37  	 * @see org.springframework.batch.repeat.CompletionPolicy#isComplete(org.springframework.batch.repeat.RepeatContext,
38  	 *      RepeatStatus)
39  	 */
40      @Override
41  	public boolean isComplete(RepeatContext context, RepeatStatus result) {
42  		return (result == null || !result.isContinuable());
43  	}
44  
45  	/**
46  	 * Always false.
47  	 * 
48  	 * @see org.springframework.batch.repeat.CompletionPolicy#isComplete(org.springframework.batch.repeat.RepeatContext)
49  	 */
50      @Override
51  	public boolean isComplete(RepeatContext context) {
52  		return false;
53  	}
54  
55  }