MainStage (Swim System)

All Superinterfaces:

Executor, Schedule, Stage

All Known Implementing Classes:

Theater
```
public interface MainStage
extends Stage
```
Stage that can be started and stopped.

- Method Summary
  
  Modifier and Type Method Description
  
  void start()
  Ensures that this Stage is up and running.
  
  void stop()
  Ensures that this Stage has been permanently stopped.
  - Methods inherited from interface swim.concurrent.Schedule
    setTimer, timer
  - Methods inherited from interface swim.concurrent.Stage
    call, execute, task

- Method Detail
  - start
```
void start()
```
    Ensures that this Stage is up and running.
    
    Throws:
    
    IllegalStateException - if this Stage has been stopped.
  - stop
```
void stop()
```
    Ensures that this Stage has been permanently stopped.