1 /*
2 * Copyright 2006-2007 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.springframework.batch.core.step.item;
18
19 import org.springframework.batch.core.StepContribution;
20
21 /**
22 * Interface for providing {@link Chunk}s to be processed, used by the
23 * {@link ChunkOrientedTasklet}
24 *
25 * @since 2.0
26 * @see ChunkOrientedTasklet
27 */
28 public interface ChunkProvider<T> {
29
30 Chunk<T> provide(StepContribution contribution) throws Exception;
31
32 void postProcess(StepContribution contribution, Chunk<T> chunk);
33
34 }