spring-batch StepContributionSource 源码
spring-batch StepContributionSource 代码
文件路径：/spring-batch-integration/src/main/java/org/springframework/batch/integration/chunk/StepContributionSource.java
/*
* Copyright 2006-2010 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
*
* https://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.integration.chunk;
import java.util.Collection;
import org.springframework.batch.core.StepContribution;
import org.springframework.batch.core.StepExecution;
/**
* A source of {@link StepContribution} instances that can be aggregated and used to
* update an ongoing {@link StepExecution}.
*
* @author Dave Syer
*
*/
public interface StepContributionSource {
/**
* Get the currently available contributions and drain the source. The next call would
* return an empty collection, unless new contributions have arrived.
* @return a collection of {@link StepContribution} instances
*/
Collection<StepContribution> getStepContributions();
}
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