javax.batch.api.chunk.listener

Interface ItemProcessListener

All Known Implementing Classes:

AbstractItemProcessListener

public interface ItemProcessListener

ItemProcessListener intercepts item processing.

Method Summary

Modifier and Type	Method and Description
void	afterProcess(Object item, Object result) The afterProcess method receives control after an item processor processes an item.
void	beforeProcess(Object item) The beforeProcess method receives control before an item processor is called to process the next item.
void	onProcessError(Object item, Exception ex) The onProcessError method receives control after an item processor processItem throws an exception.

Method Detail

beforeProcess

void beforeProcess(Object item)
            throws Exception

The beforeProcess method receives control before an item processor is called to process the next item. The method receives the item to be processed as an input.

Parameters:

item - specifies the item about to be processed.

Throws:

Exception - if an error occurs.

afterProcess

void afterProcess(Object item,
                  Object result)
           throws Exception

The afterProcess method receives control after an item processor processes an item. The method receives the item processed and the result item as an input.

Parameters:

item - specifies the item processed by the item processor.

result - specifies the item to pass to the item writer.

Throws:

Exception - if an error occurs.

onProcessError

void onProcessError(Object item,
                    Exception ex)
             throws Exception

The onProcessError method receives control after an item processor processItem throws an exception. The method receives the item sent to the item processor as input.

Parameters:

item - specifies the item the processor attempted to process.

ex - specifies the exception thrown by the item processor.

Throws:

Exception - if an error occurs