MamaSourceStateChangeListener (MAMA JNI 2.2.1.1)

```
public interface MamaSourceStateChangeListener
```
Applications can register with MamaSourceGroup to receive state change notifications when the state of sources within the group has changed.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`onStateChanged(MamaSourceGroup sourceGroup, MamaSource topWeightSource, java.lang.Object closure)`

- Method Detail
  - onStateChanged
```
void onStateChanged(MamaSourceGroup sourceGroup,
                    MamaSource topWeightSource,
                    java.lang.Object closure)
```
    Parameters:
    
    sourceGroup - The source group notifying the applications.
    
    topWeightSource - The top weight source in the group. Determined when _reevaluate() is called.
    
    closure - User supplied data.