javax.batch.api.chunk.listener
Class AbstractChunkListener

java.lang.Object
  javax.batch.api.chunk.listener.AbstractChunkListener

All Implemented Interfaces:

ChunkListener

public abstract class AbstractChunkListener
extends Object
implements ChunkListener

The AbstractChunkListener provides default implementations of less commonly implemented methods.

Constructor Summary

AbstractChunkListener()

Method Summary

void	afterChunk() Override this method if the ChunkListener will do something after the chunk ends.
void	beforeChunk() Override this method if the ChunkListener will do something before the chunk begins.
void	onError(Exception e) Override this method if the ChunkListener will do something before the chunk transaction is rolled back.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractChunkListener

public AbstractChunkListener()

Method Detail

beforeChunk

public void beforeChunk()
                 throws Exception

Override this method if the ChunkListener will do something before the chunk begins. The default implementation does nothing.

Specified by:

beforeChunk in interface ChunkListener

Throws:

Exception - (or subclass) if an error occurs.

afterChunk

public void afterChunk()
                throws Exception

Override this method if the ChunkListener will do something after the chunk ends. The default implementation does nothing.

Specified by:

afterChunk in interface ChunkListener

Throws:

Exception - (or subclass) if an error occurs.

onError

public void onError(Exception e)
             throws Exception

Override this method if the ChunkListener will do something before the chunk transaction is rolled back. Note afterChunk is not invoked in this case.

Specified by:

onError in interface ChunkListener

Parameters:

ex - specifies the exception that caused the roll back.

Throws:

Exception - (or subclass) if an error occurs.