001/* 002 * Copyright 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 */ 016package org.springframework.batch.core.listener; 017 018import java.util.Iterator; 019import java.util.List; 020import javax.batch.api.chunk.listener.RetryWriteListener; 021 022/** 023 * <p> 024 * Composite class holding {@link RetryWriteListener}'s. 025 * </p> 026 * 027 * @author Chris Schaefer 028 * @since 3.0 029 */ 030public class CompositeRetryWriteListener implements RetryWriteListener { 031 private OrderedComposite<RetryWriteListener> listeners = new OrderedComposite<RetryWriteListener>(); 032 033 /** 034 * <p> 035 * Public setter for the {@link RetryWriteListener}'s. 036 * </p> 037 * 038 * @param listeners the {@link RetryWriteListener}'s to set 039 */ 040 public void setListeners(List<? extends RetryWriteListener> listeners) { 041 this.listeners.setItems(listeners); 042 } 043 044 /** 045 * <p> 046 * Register an additional {@link RetryWriteListener}. 047 * </p> 048 * 049 * @param listener the {@link RetryWriteListener} to register 050 */ 051 public void register(RetryWriteListener listener) { 052 listeners.add(listener); 053 } 054 055 @Override 056 public void onRetryWriteException(List<Object> items, Exception ex) throws Exception { 057 for (Iterator<RetryWriteListener> iterator = listeners.reverse(); iterator.hasNext();) { 058 RetryWriteListener listener = iterator.next(); 059 listener.onRetryWriteException(items, ex); 060 } 061 } 062}