Package javax.batch.api.partition

Class AbstractPartitionReducer

java.lang.Object

javax.batch.api.partition.AbstractPartitionReducer

All Implemented Interfaces:

PartitionReducer

public abstract class AbstractPartitionReducer
extends Object
implements PartitionReducer

The AbstractBatchlet provides default implementations of less commonly implemented methods.

Nested Class Summary

Nested classes/interfaces inherited from interface javax.batch.api.partition.PartitionReducer

PartitionReducer.PartitionStatus

Constructor Summary

Constructors

Constructor	Description
AbstractPartitionReducer()

Method Summary

Modifier and Type	Method	Description
void	afterPartitionedStepCompletion(PartitionReducer.PartitionStatus status)	Override this method to take action after partitioned step processing ends.
void	beforePartitionedStepCompletion()	Override this method to take action before normal partitioned step processing ends.
void	beginPartitionedStep()	Override this method to take action before partitioned step processing begins.
void	rollbackPartitionedStep()	Override this method to take action when a partitioned step is rolling back.

Methods inherited from class java.lang.Object

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

Constructor Details

AbstractPartitionReducer

public AbstractPartitionReducer()

Method Details

beginPartitionedStep

public void beginPartitionedStep()
                          throws Exception

Override this method to take action before partitioned step processing begins.

Specified by:

beginPartitionedStep in interface PartitionReducer

Throws:

Exception - is thrown if an error occurs.

beforePartitionedStepCompletion

public void beforePartitionedStepCompletion()
                                     throws Exception

Override this method to take action before normal partitioned step processing ends.

Specified by:

beforePartitionedStepCompletion in interface PartitionReducer

Throws:

Exception - is thrown if an error occurs.

rollbackPartitionedStep

public void rollbackPartitionedStep()
                             throws Exception

Override this method to take action when a partitioned step is rolling back.

Specified by:

rollbackPartitionedStep in interface PartitionReducer

Throws:

Exception - is thrown if an error occurs.

afterPartitionedStepCompletion

public void afterPartitionedStepCompletion(PartitionReducer.PartitionStatus status)
                                    throws Exception

Override this method to take action after partitioned step processing ends.

Specified by:

afterPartitionedStepCompletion in interface PartitionReducer

Parameters:

status - specifies the outcome of the partitioned step. Values are "COMMIT" or "ROLLBACK".

Throws:

Exception - is thrown if an error occurs.