GracefulShutdownListener (grizzly-framework 4.0.0 API)

```
public interface GracefulShutdownListener
```
Interface to notify interested parties that a Transport is being shutdown. Keep in mind that there is no guarantee that all listeners will be invoked before the transport is terminated (e.g., timed graceful shutdown or a graceful shutdown() that was initiated and then shutdownNow() is later invoked.

Since:

2.3.5.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`shutdownForced()`	Invoked when the transport is being shutdown forcefully.
`void`	`shutdownRequested(ShutdownContext shutdownContext)`	Invoked when an attempt is made to shutdown the transport gracefully.

- Method Detail
  - shutdownRequested
```
void shutdownRequested(ShutdownContext shutdownContext)
```
    Invoked when an attempt is made to shutdown the transport gracefully.
    
    Parameters:
    
    shutdownContext - the ShutdownContext for this shutdown request.
  - shutdownForced
```
void shutdownForced()
```
    Invoked when the transport is being shutdown forcefully. This means either shutdownNow() was invoked or the graceful shutdown timed out. It's important that the implementation of this method not block.