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 }