org.springframework.cloud.task.batch.listener

Class EventEmittingItemReadListener

java.lang.Object

org.springframework.cloud.task.batch.listener.EventEmittingItemReadListener

All Implemented Interfaces:

org.springframework.batch.core.ItemReadListener, org.springframework.batch.core.StepListener

public class EventEmittingItemReadListener
extends Object
implements org.springframework.batch.core.ItemReadListener

Provides informational messages around the ItemReader of a batch job. The ItemReadListener.beforeRead() and ItemReadListener.afterRead(Object) are both no-ops in this implementation. ItemReadListener.onReadError(Exception) provides the exception via the BatchJobHeaders.BATCH_EXCEPTION message header.

Author:

Glenn Renfro

Constructor Summary

Constructors

Constructor and Description
EventEmittingItemReadListener(org.springframework.messaging.MessageChannel output)

Method Summary

Modifier and Type	Method and Description
void	afterRead(Object item)
void	beforeRead()
void	onReadError(Exception ex)

Methods inherited from class java.lang.Object

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

Constructor Detail

EventEmittingItemReadListener

public EventEmittingItemReadListener(org.springframework.messaging.MessageChannel output)

Method Detail

beforeRead

public void beforeRead()

Specified by:

beforeRead in interface org.springframework.batch.core.ItemReadListener

afterRead

public void afterRead(Object item)

Specified by:

afterRead in interface org.springframework.batch.core.ItemReadListener

onReadError

public void onReadError(Exception ex)

Specified by:

onReadError in interface org.springframework.batch.core.ItemReadListener