SnapApp.MaybeStopOp (SNAP Desktop API)

java.lang.Object
- org.esa.snap.rcp.SnapApp.MaybeStopOp

All Implemented Interfaces:

Callable

Enclosing class:

SnapApp
```
public static class SnapApp.MaybeStopOp
extends Object
implements Callable
```
This non-API class is public as an implementation detail. Don't use it, it may be removed anytime.
NetBeans @OnStop: Annotation that can be applied to Runnable or Callable<Boolean> subclasses with default constructor which will be invoked during shutdown sequence or when the module is being shutdown.
First of all call Callables are consulted to allow or deny proceeding with the shutdown.
If the shutdown is approved, all Runnables registered are acknowledged and can perform the shutdown cleanup. The Runnables are invoked in parallel. It is guaranteed their execution is finished before the shutdown sequence is over.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  MaybeStopOp()
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  Boolean call()
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - MaybeStopOp
```
public MaybeStopOp()
```
- Method Detail
  - call
```
public Boolean call()
```
    Specified by:
    
    call in interface Callable