OutboundQueueHandler (openflowplugin 0.12.5-SNAPSHOT API)

All Known Subinterfaces:

OutboundQueueProvider

All Known Implementing Classes:

OutboundQueueProviderImpl
```
@Beta
public interface OutboundQueueHandler
```
Handler of the outbound queue. The queue has a maximum depth assigned when the handler is registered.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`@NonNull BarrierInput`	`createBarrierRequest(@NonNull Long xid)`	Create a new `barrier` message.
`void`	`onConnectionQueueChanged(OutboundQueue queue)`	Invoked whenever the underlying queue is refreshed.

- Method Detail
  - createBarrierRequest
```
@NonNull BarrierInput createBarrierRequest(@NonNull Long xid)
```
    Create a new barrier message. This callback is invoked when the queue is being flushed to the switch. The barrier ensures that any outstanding requests are detected as either completed or failed.
    
    Parameters:
    
    xid - XID for the barrier message
    
    Returns:
    
    New barrier message.
  - onConnectionQueueChanged
```
void onConnectionQueueChanged(OutboundQueue queue)
```
    Invoked whenever the underlying queue is refreshed. Implementations should ensure they are talking to the latest queue
    
    Parameters:
    
    queue - New queue instance, null indicates a shutdown, e.g. the queue is no longer available.