ConcurrentQueue

Type Parameters:

E - element type

All Known Implementing Classes:

ConcurrentQueueFactory.GenericQueue, MpmcArrayConcurrentQueue, MpscArrayConcurrentQueue, SpscArrayConcurrentQueue
```
public interface ConcurrentQueue<E>
```
A minimal top level queue interface which allows producer/consumers access via separate interfaces.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`int`	`capacity()`
`ConcurrentQueueConsumer<E>`	`consumer()`
`ConcurrentQueueProducer<E>`	`producer()`
`int`	`size()`	This method may be O(n) or O(1) and may not be accurate.

- Method Detail
  - consumer
```
ConcurrentQueueConsumer<E> consumer()
```
    Returns:
    
    a consumer instance to be used from a consuming thread.
  - producer
```
ConcurrentQueueProducer<E> producer()
```
    Returns:
    
    a producer instance to be used from a producing thread.
  - size
```
int size()
```
    This method may be O(n) or O(1) and may not be accurate.
    
    Returns:
    
    the number of elements in the queue
  - capacity
```
int capacity()
```
    Returns:
    
    the maximum number of elements that can fit in this queue, or -1 if unbounded.