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1   /*
2    * Copyright 2002-2013 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.core.step;
18  
19  import org.springframework.batch.core.ExitStatus;
20  import org.springframework.batch.core.StepExecution;
21  import org.springframework.batch.core.listener.StepExecutionListenerSupport;
22  
23  /**
24   * Fails the step if no items have been processed ( item count is 0).
25   *
26   * @author Robert Kasanicky
27   */
28  public class NoWorkFoundStepExecutionListener extends StepExecutionListenerSupport {
29  
30  	@Override
31  	public ExitStatus afterStep(StepExecution stepExecution) {
32  		if (stepExecution.getReadCount() == 0) {
33  			return ExitStatus.FAILED;
34  		}
35  		return null;
36  	}
37  
38  }