javax.batch.api.chunk.listener

Interface ChunkListener

All Known Implementing Classes:

AbstractChunkListener

public interface ChunkListener

ChunkListener intercepts chunk processing.

Method Summary

Methods

Modifier and Type	Method and Description
void	afterChunk() The afterChunk method receives control after processing of the current chunk ends.
void	beforeChunk() The beforeChunk method receives control before processing of the next chunk begins.
void	onError(Exception ex) The onError method receives control before the chunk transaction is rolled back.

Method Detail

beforeChunk

void beforeChunk()
                 throws Exception

The beforeChunk method receives control before processing of the next chunk begins. This method is invoked in the same transaction as the chunk processing.

Throws:

Exception - throw if an error occurs.

onError

void onError(Exception ex)
             throws Exception

The onError method receives control before the chunk transaction is rolled back. Note afterChunk is not invoked in this case.

Parameters:

ex - specifies the exception that caused the roll back.

Throws:

Exception - throw if an error occurs.

afterChunk

void afterChunk()
                throws Exception

The afterChunk method receives control after processing of the current chunk ends. This method is invoked in the same transaction as the chunk processing.

Throws:

Exception - throw if an error occurs.