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The Spring Batch Infrastructure is a set of low-level components, interfaces and tools for batch processing applications and optimisations.

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/*
 * Copyright 2006-2007 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.item;

/**
 * Strategy interface for recovery action when processing of an item fails.

 * 
 * @author Dave Syer
 */
public interface ItemRecoverer {

	/**
	 * Recover gracefully from an error. Clients can call this if processing of
	 * the item throws an unexpected exception. Caller can use the return value
	 * to decide whether to try more corrective action or perhaps throw an
	 * exception.
	 * 
	 * @param data
	 *            the item that failed.
	 * @param cause
	 *            the cause of the failure that led to this recovery.
	 * @return true if recovery was successful.
	 */
	Object recover(Object data, Throwable cause);
}