SessionMessageQueue (Moquette - broker 0.16 API)

All Known Implementing Classes:

AbstractSessionMessageQueue, InMemoryQueue
```
public interface SessionMessageQueue<T>
```
Queue definition used by the Session class. Due to the fact that Session's code is executed in a single thread, because the architecture is event loop based, the queue implementations doesn't need to be thread safe.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`closeAndPurge()`	Executes cleanup code to release the queue.
`T`	`dequeue()`
`void`	`enqueue(T message)`
`boolean`	`isEmpty()`

- Method Detail
  - enqueue
```
void enqueue(T message)
```
  - dequeue
```
T dequeue()
```
    Returns:
    
    null if queue is empty.
  - isEmpty
```
boolean isEmpty()
```
  - closeAndPurge
```
void closeAndPurge()
```
    Executes cleanup code to release the queue. A closed queue will not accept new items and will be removed from the repository.