javax.batch.api.chunk.listener
Class AbstractItemProcessListener

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

All Implemented Interfaces:

ItemProcessListener

public abstract class AbstractItemProcessListener
extends Object
implements ItemProcessListener

The AbstractItemProcessListener provides default implementations of less commonly implemented methods.

Constructor Summary

AbstractItemProcessListener()

Method Summary

void	afterProcess(Object item, Object result) Override this method if the ItemProcessListener will do something after the item is processed.
void	beforeProcess(Object item) Override this method if the ItemProcessListener will do something before the item is processed.
void	onProcessError(Object item, Exception ex) Override this method if the ItemProcessListener will do something when the ItemProcessor processItem method throws an exception.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractItemProcessListener

public AbstractItemProcessListener()

Method Detail

beforeProcess

public void beforeProcess(Object item)
                   throws Exception

Override this method if the ItemProcessListener will do something before the item is processed. The default implementation does nothing.

Specified by:

beforeProcess in interface ItemProcessListener

Parameters:

item - specifies the item about to be processed.

Throws:

Exception - (or subclass) if an error occurs.

afterProcess

public void afterProcess(Object item,
                         Object result)
                  throws Exception

Override this method if the ItemProcessListener will do something after the item is processed. The default implementation does nothing.

Specified by:

afterProcess in interface ItemProcessListener

Parameters:

item - specifies the item about to be processed.

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

Throws:

Exception - (or subclass) if an error occurs.

onProcessError

public void onProcessError(Object item,
                           Exception ex)
                    throws Exception

Override this method if the ItemProcessListener will do something when the ItemProcessor processItem method throws an exception. The default implementation does nothing.

Specified by:

onProcessError in interface ItemProcessListener

Parameters:

item - specifies the item about to be processed.

ex - specifies the exception thrown by the item processor.

Throws:

Exception - (or subclass) if an error occurs.