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 */
016
017package org.springframework.batch.core.step.item;
018
019import org.springframework.batch.core.StepContribution;
020
021/**
022 * Interface for providing {@link Chunk}s to be processed, used by the
023 * {@link ChunkOrientedTasklet}
024 * 
025 * @since 2.0
026 * @see ChunkOrientedTasklet
027 */
028public interface ChunkProvider<T> {
029
030        Chunk<T> provide(StepContribution contribution) throws Exception;
031        
032        void postProcess(StepContribution contribution, Chunk<T> chunk);
033        
034}