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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  package org.springframework.batch.sample.loop;
17  
18  import org.springframework.batch.core.JobExecution;
19  import org.springframework.batch.core.StepExecution;
20  import org.springframework.batch.core.job.flow.FlowExecutionStatus;
21  import org.springframework.batch.core.job.flow.JobExecutionDecider;
22  
23  /**
24   * This decider will return "CONTINUE" until the limit it reached, at which
25   * point it will return "COMPLETE".
26   * 
27   * @author Dan Garrette
28   * @since 2.0
29   */
30  public class LimitDecider implements JobExecutionDecider {
31  
32  	private int count = 0;
33  
34  	private int limit = 1;
35  
36  	public FlowExecutionStatus decide(JobExecution jobExecution, StepExecution stepExecution) {
37  		if (++count >= limit) {
38  			return new FlowExecutionStatus("COMPLETED");
39  		}
40  		else {
41  			return new FlowExecutionStatus("CONTINUE");
42  		}
43  	}
44  
45  	/**
46  	 * @param limit
47  	 */
48  	public void setLimit(int limit) {
49  		this.limit = limit;
50  	}
51  }