DefaultStepExecutionAggregator (Spring Batch 4.1.4.RELEASE API)

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

All Implemented Interfaces:
StepExecutionAggregator
```
public class DefaultStepExecutionAggregator
extends java.lang.Object
implements StepExecutionAggregator
```
Convenience class for aggregating a set of StepExecution instances into a single result.
Since:
2.1
Author:
Dave Syer

Constructor Summary
Constructors
Constructor Description
DefaultStepExecutionAggregator()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`aggregate(StepExecution result, java.util.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,
                      java.util.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)