spring-batch StepExecutionAggregator 源码
spring-batch StepExecutionAggregator 代码
文件路径：/spring-batch-core/src/main/java/org/springframework/batch/core/partition/support/StepExecutionAggregator.java
/*
* Copyright 2008-2022 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.core.partition.support;
import java.util.Collection;
import org.springframework.batch.core.StepExecution;
/**
* Strategy for a aggregating step executions, usually when they are the result of
* partitioned or remote execution.
*
* @author Dave Syer
* @author Taeik Lim
* @since 2.1
*
*/
@FunctionalInterface
public interface StepExecutionAggregator {
/**
* Take the inputs and aggregate, putting the aggregates into the result.
* @param result the result to overwrite
* @param executions the inputs
*/
void aggregate(StepExecution result, Collection<StepExecution> executions);
}
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