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

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

public class StepExecutionAggregator
extends Object

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

Since:

2.0

Author:

Dave Syer

Constructor Summary

StepExecutionAggregator()

Method Summary

void	aggregate(StepExecution result, Collection<StepExecution> executions) Take the inputs and aggregate certain fields, putting the aggregates into the result.

Methods inherited from class java.lang.Object

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

Constructor Detail

StepExecutionAggregator

public StepExecutionAggregator()

Method Detail

aggregate

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

Take the inputs and aggregate certain fields, putting the aggregates into the result. 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

Parameters:

result - the result to overwrite

executions - the inputs