Package org.springframework.batch.core.listener

Class CompositeItemReadListener<T>

java.lang.Object

org.springframework.batch.core.listener.CompositeItemReadListener<T>

All Implemented Interfaces:

ItemReadListener<T>, StepListener

public class CompositeItemReadListener<T>
extends Object
implements ItemReadListener<T>

Author:

Lucas Ward, Dave Syer, Mahmoud Ben Hassine

Constructor Summary

Constructors

Constructor	Description
CompositeItemReadListener()

Method Summary

Modifier and Type	Method	Description
void	afterRead(T item)	Call the registered listeners in reverse order, respecting and prioritising those that implement Ordered.
void	beforeRead()	Call the registered listeners in order, respecting and prioritising those that implement Ordered.
void	onReadError(Exception ex)	Call the registered listeners in reverse order, respecting and prioritising those that implement Ordered.
void	register(ItemReadListener<? super T> itemReaderListener)	Register additional listener.
void	setListeners(List<? extends ItemReadListener<? super T>> itemReadListeners)	Public setter for the listeners.

Methods inherited from class java.lang.Object

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

Constructor Details

CompositeItemReadListener

public CompositeItemReadListener()

Method Details

setListeners

public void setListeners(List<? extends ItemReadListener<? super T>> itemReadListeners)

Public setter for the listeners.

Parameters:

itemReadListeners - list of ItemReadListeners to be called when read events occur.

register

public void register(ItemReadListener<? super T> itemReaderListener)

Register additional listener.

Parameters:

itemReaderListener - instance of ItemReadListener to be registered.

afterRead

public void afterRead(T item)

Call the registered listeners in reverse order, respecting and prioritising those that implement Ordered.

Specified by:

afterRead in interface ItemReadListener<T>

Parameters:

item - returned from read()

See Also:

• ItemReadListener.afterRead(java.lang.Object)

beforeRead

public void beforeRead()

Call the registered listeners in order, respecting and prioritising those that implement Ordered.

Specified by:

beforeRead in interface ItemReadListener<T>

See Also:

• ItemReadListener.beforeRead()

onReadError

public void onReadError(Exception ex)

Call the registered listeners in reverse order, respecting and prioritising those that implement Ordered.

Specified by:

onReadError in interface ItemReadListener<T>

Parameters:

ex - thrown from ItemReader

See Also:

• ItemReadListener.onReadError(java.lang.Exception)