org.springframework.batch.core.jsr.partition.support.JsrStepExecutionAggregator Maven / Gradle / Ivy
/*
* Copyright 2013 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.jsr.partition.support;
import java.util.Collection;
import org.springframework.batch.core.BatchStatus;
import org.springframework.batch.core.StepExecution;
import org.springframework.batch.core.partition.support.StepExecutionAggregator;
import org.springframework.util.Assert;
/**
* Aggregates {@link StepExecution}s based on the rules outlined in JSR-352. Specifically
* it aggregates all counts and determines the correct BatchStatus. However, the ExitStatus
* for each child StepExecution is ignored.
*
* @author Michael Minella
* @since 3.0
*/
public class JsrStepExecutionAggregator implements StepExecutionAggregator {
/* (non-Javadoc)
* @see org.springframework.batch.core.partition.support.StepExecutionAggregator#aggregate(org.springframework.batch.core.StepExecution, java.util.Collection)
*/
@Override
public void aggregate(StepExecution result,
Collection executions) {
Assert.notNull(result, "To aggregate into a result it must be non-null.");
if (executions == null) {
return;
}
for (StepExecution stepExecution : executions) {
BatchStatus status = stepExecution.getStatus();
result.setStatus(BatchStatus.max(result.getStatus(), status));
result.setCommitCount(result.getCommitCount() + stepExecution.getCommitCount());
result.setRollbackCount(result.getRollbackCount() + stepExecution.getRollbackCount());
result.setReadCount(result.getReadCount() + stepExecution.getReadCount());
result.setReadSkipCount(result.getReadSkipCount() + stepExecution.getReadSkipCount());
result.setWriteCount(result.getWriteCount() + stepExecution.getWriteCount());
result.setWriteSkipCount(result.getWriteSkipCount() + stepExecution.getWriteSkipCount());
}
}
}