/*
* Copyright 2006-2008 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.batch.core;
import org.springframework.batch.item.ItemReader;
import org.springframework.batch.item.ItemWriter;
/**
* Listener interface around the reading of an item.
*
* @author Lucas Ward
*
*/
public interface ItemReadListener<T> extends StepListener {
/**
* Called before {@link ItemReader#read()}
*/
void beforeRead();
/**
* Called after {@link ItemReader#read()}
*
* @param item returned from read()
*/
void afterRead(T item);
/**
* Called if an error occurs while trying to read.
*
* @param ex thrown from {@link ItemWriter}
*/
void onReadError(Exception ex);
}