001/* 002 * Copyright 2006-2007 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 */ 016package org.springframework.batch.sample.loop; 017 018import org.springframework.batch.core.ExitStatus; 019import org.springframework.batch.core.StepExecution; 020import org.springframework.batch.core.listener.StepExecutionListenerSupport; 021import org.springframework.batch.sample.domain.trade.internal.GeneratingTradeItemReader; 022import org.springframework.beans.factory.InitializingBean; 023import org.springframework.util.Assert; 024 025/** 026 * This listener resets the count of its GeneratingTradeItemReader after the 027 * step. 028 * 029 * @author Dan Garrette 030 * @since 2.0 031 */ 032public class GeneratingTradeResettingListener extends StepExecutionListenerSupport implements InitializingBean { 033 034 private GeneratingTradeItemReader reader; 035 036 @Override 037 public ExitStatus afterStep(StepExecution stepExecution) { 038 this.reader.resetCounter(); 039 return null; 040 } 041 042 public void setReader(GeneratingTradeItemReader reader) { 043 this.reader = reader; 044 } 045 046 @Override 047 public void afterPropertiesSet() throws Exception { 048 Assert.notNull(this.reader, "The 'reader' must be set."); 049 } 050}