001/*
002 * Copyright 2002-2013 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.batch.core.step;
018
019import org.springframework.batch.core.ExitStatus;
020import org.springframework.batch.core.StepExecution;
021import org.springframework.batch.core.listener.StepExecutionListenerSupport;
022
023/**
024 * Fails the step if no items have been processed ( item count is 0).
025 *
026 * @author Robert Kasanicky
027 */
028public class NoWorkFoundStepExecutionListener extends StepExecutionListenerSupport {
029
030        @Override
031        public ExitStatus afterStep(StepExecution stepExecution) {
032                if (stepExecution.getReadCount() == 0) {
033                        return ExitStatus.FAILED;
034                }
035                return null;
036        }
037
038}