Cancellable

```
public interface Cancellable
```
API for a scheduled periodic task, that allows it to be cancelled.

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  boolean cancel()
  Cancels this Cancellable and returns true if that was successful.

- Method Detail
  - cancel
```
boolean cancel()
```
    Cancels this Cancellable and returns true if that was successful. If this cancellable was (concurrently) cancelled already, then this method will return false.
    
    Returns:
    
    whether or not the cancellable was cancelled successfully