BusyListener (rsession 3.1.7 API)

```
public interface BusyListener
```

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void setBusy(boolean busy)
  Notify the state of R engin

- Method Detail
  - setBusy
```
void setBusy(boolean busy)
```
    Notify the state of R engin
    
    Parameters:
    
    busy - busy ?