DelegateExpressionActivitiEventListener (Activiti :: Engine 7.1.0.M6 API)

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.

Field Summary

Fields
Modifier and Type Field Description

protected Expression expression

protected boolean failOnException
- Fields inherited from class org.activiti.engine.impl.bpmn.helper.BaseDelegateEventListener
  entityClass

Constructor Summary

Constructors
Constructor Description

DelegateExpressionActivitiEventListener(Expression expression, java.lang.Class<?> entityClass)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	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,
                                               java.lang.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.