NioQueue (RabbitMQ Java Client 4.12.0 API)

All Known Implementing Classes:

BlockingQueueNioQueue
```
public interface NioQueue
```
Contract to exchange frame between application threads and NIO thread.
This is a simplified subset of BlockingQueue. This interface is considered a SPI and is likely to move between minor and patch releases.

Since:

4.9.0

See Also:

NioParams

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`boolean`	`isEmpty()`	Returns `true` if the queue contains no element.
`boolean`	`offer(WriteRequest writeRequest)`	Enqueue a frame, block if the queue is full.
`WriteRequest`	`poll()`	Retrieves and removes the head of this queue, or returns `null` if this queue is empty.
`int`	`size()`	Get the current size of the queue.

- Method Detail
  - offer
```
boolean offer(WriteRequest writeRequest)
       throws InterruptedException
```
    Enqueue a frame, block if the queue is full.
    
    Parameters:
    
    writeRequest -
    
    Returns:
    
    Throws:
    
    InterruptedException
  - size
```
int size()
```
    Get the current size of the queue.
    
    Returns:
  - poll
```
WriteRequest poll()
```
    Retrieves and removes the head of this queue, or returns null if this queue is empty.
    
    Returns:
    
    the head of this queue, or null if this queue is empty
  - isEmpty
```
boolean isEmpty()
```
    Returns true if the queue contains no element.
    
    Returns:
    
    true if the queue contains no element