org.activiti.engine.impl.bpmn.helper

Class DelegateExpressionActivitiEventListener

java.lang.Object

org.activiti.engine.impl.bpmn.helper.BaseDelegateEventListener

org.activiti.engine.impl.bpmn.helper.DelegateExpressionActivitiEventListener

All Implemented Interfaces:

ActivitiEventListener

public class DelegateExpressionActivitiEventListener
extends BaseDelegateEventListener

An ActivitiEventListener implementation which resolves an expression to a delegate ActivitiEventListener instance and uses this for event notification.

In case an entityClass was passed in the constructor, only events that are ActivitiEntityEvent's that target an entity of the given type, are dispatched to the delegate.

Author:

Frederik Heremans

Field Summary

Fields

Modifier and Type	Field and Description
protected Expression	expression
protected boolean	failOnException

Fields inherited from class org.activiti.engine.impl.bpmn.helper.BaseDelegateEventListener

entityClass

Constructor Summary

Constructors

Constructor and Description
DelegateExpressionActivitiEventListener(Expression expression, Class<?> entityClass)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	isFailOnException()
void	onEvent(ActivitiEvent event) Called when an event has been fired

Methods inherited from class org.activiti.engine.impl.bpmn.helper.BaseDelegateEventListener

isValidEvent, setEntityClass

Methods inherited from class java.lang.Object

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

Field Detail

expression

protected Expression expression

failOnException

protected boolean failOnException

Constructor Detail

DelegateExpressionActivitiEventListener

public DelegateExpressionActivitiEventListener(Expression expression,
                                       Class<?> entityClass)

Method Detail

onEvent

public void onEvent(ActivitiEvent event)

Description copied from interface: ActivitiEventListener

Called when an event has been fired

Parameters:

event - the event

isFailOnException

public boolean isFailOnException()

Returns:

whether or not the current operation should fail when this listeners execution throws an exception.