Package org.springframework.batch.core.listener

Class CompositeItemProcessListener<T,S>

java.lang.Object

org.springframework.batch.core.listener.CompositeItemProcessListener<T,S>

All Implemented Interfaces:

ItemProcessListener<T,S>, StepListener

public class CompositeItemProcessListener<T,S>
extends Object
implements ItemProcessListener<T,S>

Author:

Dave Syer, Mahmoud Ben Hassine

Constructor Summary

Constructors

Constructor	Description
CompositeItemProcessListener()

Method Summary

Modifier and Type	Method	Description
void	afterProcess(T item, S result)	Call the registered listeners in reverse order, respecting and prioritising those that implement Ordered.
void	beforeProcess(T item)	Call the registered listeners in order, respecting and prioritising those that implement Ordered.
void	onProcessError(T item, Exception e)	Call the registered listeners in reverse order, respecting and prioritising those that implement Ordered.
void	register(ItemProcessListener<? super T,? super S> itemProcessorListener)	Register additional listener.
void	setListeners(List<? extends ItemProcessListener<? super T,? super S>> itemProcessorListeners)	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

CompositeItemProcessListener

public CompositeItemProcessListener()

Method Details

setListeners

public void setListeners(List<? extends ItemProcessListener<? super T,? super S>> itemProcessorListeners)

Public setter for the listeners.

Parameters:

itemProcessorListeners - list of ItemProcessListeners to be called when process events occur.

register

public void register(ItemProcessListener<? super T,? super S> itemProcessorListener)

Register additional listener.

Parameters:

itemProcessorListener - instance of ItemProcessListener to be registered.

afterProcess

public void afterProcess(T item,
 @Nullable
 S result)

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

Specified by:

afterProcess in interface ItemProcessListener<T,S>

Parameters:

item - to be processed

result - of processing

See Also:

• ItemProcessListener.afterProcess(java.lang.Object, java.lang.Object)

beforeProcess

public void beforeProcess(T item)

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

Specified by:

beforeProcess in interface ItemProcessListener<T,S>

Parameters:

item - to be processed.

See Also:

• ItemProcessListener.beforeProcess(java.lang.Object)

onProcessError

public void onProcessError(T item,
 Exception e)

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

Specified by:

onProcessError in interface ItemProcessListener<T,S>

Parameters:

item - attempted to be processed

e - - exception thrown during processing.

See Also:

• ItemProcessListener.onProcessError(java.lang.Object, java.lang.Exception)