org.springframework.batch.core.partition.support
Class DefaultStepExecutionAggregator

java.lang.Object
  org.springframework.batch.core.partition.support.DefaultStepExecutionAggregator

All Implemented Interfaces:

StepExecutionAggregator

public class DefaultStepExecutionAggregator
extends Object
implements StepExecutionAggregator

Convenience class for aggregating a set of StepExecution instances into a single result.

Since:

2.1

Author:

Dave Syer

Constructor Summary

DefaultStepExecutionAggregator()

Method Summary

void	aggregate(StepExecution result, Collection<StepExecution> executions) Aggregates the input executions into the result StepExecution.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultStepExecutionAggregator

public DefaultStepExecutionAggregator()

Method Detail

aggregate

public void aggregate(StepExecution result,
                      Collection<StepExecution> executions)

Aggregates the input executions into the result StepExecution. The aggregated fields are

• status - choosing the highest value using BatchStatus.max(BatchStatus, BatchStatus)
• exitStatus - using ExitStatus.and(ExitStatus)
• commitCount, rollbackCount, etc. - by arithmetic sum

Specified by:

aggregate in interface StepExecutionAggregator

Parameters:

result - the result to overwrite

executions - the inputs

See Also:

#aggregate(StepExecution, Collection)