javax.batch.api.chunk.listener

Class AbstractItemReadListener

java.lang.Object

javax.batch.api.chunk.listener.AbstractItemReadListener

All Implemented Interfaces:

ItemReadListener

public abstract class AbstractItemReadListener
extends Object
implements ItemReadListener

The AbstractItemReadListener provides default implementations of less commonly implemented methods.

Constructor Summary

Constructors

Constructor and Description
AbstractItemReadListener()

Method Summary

Modifier and Type	Method and Description
void	afterRead(Object item) Override this method if the ItemReadListener will do something after the item is read.
void	beforeRead() Override this method if the ItemReadListener will do something before the item is read.
void	onReadError(Exception ex) Override this method if the ItemReadListener will do something when the ItemReader readItem method throws an exception.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractItemReadListener

public AbstractItemReadListener()

Method Detail

beforeRead

public void beforeRead()
                throws Exception

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

Specified by:

beforeRead in interface ItemReadListener

Throws:

Exception - (or subclass) if an error occurs.

afterRead

public void afterRead(Object item)
               throws Exception

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

Specified by:

afterRead in interface ItemReadListener

Parameters:

item - last item read by ItemReader

Throws:

Exception - (or subclass) if an error occurs.

onReadError

public void onReadError(Exception ex)
                 throws Exception

Override this method if the ItemReadListener will do something when the ItemReader readItem method throws an exception. The default implementation does nothing.

Specified by:

onReadError in interface ItemReadListener

Parameters:

ex - exception thrown from readItem method

Throws:

Exception - (or subclass) if an error occurs.