FlowableEventDispatcher (Flowable - Engine Common API 6.8.1 API)

```
public interface FlowableEventDispatcher
```
Dispatcher which allows for adding and removing FlowableEventListener s to the Flowable Engine as well as dispatching FlowableEvent to all the listeners registered.

Author:

Frederik Heremans

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`addEventListener(FlowableEventListener listenerToAdd)`	Adds an event-listener which will be notified of ALL events by the dispatcher.
`void`	`addEventListener(FlowableEventListener listenerToAdd, FlowableEventType... types)`	Adds an event-listener which will only be notified when an event of the given types occurs.
`void`	`dispatchEvent(FlowableEvent event, String engineType)`	Dispatches the given event to any listeners that are registered.
`boolean`	`isEnabled()`
`void`	`removeEventListener(FlowableEventListener listenerToRemove)`	Removes the given listener from this dispatcher.
`void`	`setEnabled(boolean enabled)`

- Method Detail
  - addEventListener
```
void addEventListener(FlowableEventListener listenerToAdd)
```
    Adds an event-listener which will be notified of ALL events by the dispatcher.
    
    Parameters:
    
    listenerToAdd - the listener to add
  - addEventListener
```
void addEventListener(FlowableEventListener listenerToAdd,
                      FlowableEventType... types)
```
    Adds an event-listener which will only be notified when an event of the given types occurs.
    
    Parameters:
    
    listenerToAdd - the listener to add
    
    types - types of events the listener should be notified for
  - removeEventListener
```
void removeEventListener(FlowableEventListener listenerToRemove)
```
    Removes the given listener from this dispatcher. The listener will no longer be notified, regardless of the type(s) it was registered for in the first place.
    
    Parameters:
    
    listenerToRemove - listener to remove
  - dispatchEvent
```
void dispatchEvent(FlowableEvent event,
                   String engineType)
```
    Dispatches the given event to any listeners that are registered.
    
    Parameters:
    
    event - event to dispatch.
    
    engineType - type of engine to dispatch
  - setEnabled
```
void setEnabled(boolean enabled)
```
    Parameters:
    
    enabled - true, if event dispatching should be enabled.
  - isEnabled
```
boolean isEnabled()
```
    Returns:
    
    true, if event dispatcher is enabled.