MamaQueueEventCallback (MAMA JNI 2.2.1.1)

```
public interface MamaQueueEventCallback
```
Definition of the callback method for when a user added event fires. Concrete instances of this interface are registered with an event queue using the MamaQueue.enqueueEvent(). Currently only support by MAMA JNI using Wombat Middleware.

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`onEvent(MamaQueue queue, java.lang.Object closure)` Invoked when a user event, added by `MamaQueue.enqueueEvent()` fires.

Interface MamaQueueEventCallback