com.sun.grizzly.async
Class AsyncQueue<K,E>

java.lang.Object
  com.sun.grizzly.async.AsyncQueue<K,E>

public class AsyncQueue<K,E>
extends Object

Class implements Map-like collection, maps keys to values, where single key could have queue of correspondent values.

Author:

Alexey Stashok

Nested Class Summary

class

AsyncQueue.AsyncQueueEntry AsyncQueue data unit

Constructor Summary

AsyncQueue()

Method Summary

void	clear()
protected AsyncQueue.AsyncQueueEntry	getAsyncQueueEntry(K key)
boolean	isEmpty(K key) Checks if K key related queue is empty.
protected AsyncQueue.AsyncQueueEntry	obtainAsyncQueueEntry(K key)
void	offer(K key, E queueRecord) Add data to the AsyncQueue, corresponding to the given E key
E	peek(K key) Get head element of E key related queue.
E	poll(K key) Get head element of K key related queue.
AsyncQueue.AsyncQueueEntry	removeEntry(K key) Remove head element of K key related queue.
int	size(K key) Get the size of K key related queue.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AsyncQueue

public AsyncQueue()

Method Detail

offer

public void offer(K key,
                  E queueRecord)

Add data to the AsyncQueue, corresponding to the given E key

Parameters:

key - E

queueRecord - data unit

peek

public E peek(K key)

Get head element of E key related queue. Element will not be removed from queue.

Parameters:

key - K

Returns:

E data unit

poll

public E poll(K key)

Get head element of K key related queue. Element will be removed from queue.

Parameters:

key - K

Returns:

E data unit

removeEntry

public AsyncQueue.AsyncQueueEntry removeEntry(K key)

Remove head element of K key related queue.

Parameters:

key - K

Returns:

removed entry

size

public int size(K key)

Get the size of K key related queue.

Parameters:

key - K

Returns:

size of K key related queue.

isEmpty

public boolean isEmpty(K key)

Checks if K key related queue is empty.

Parameters:

key - K

Returns:

true, if K key related queue is empty, false otherwise

clear

public void clear()

obtainAsyncQueueEntry

protected AsyncQueue.AsyncQueueEntry obtainAsyncQueueEntry(K key)

getAsyncQueueEntry

protected AsyncQueue.AsyncQueueEntry getAsyncQueueEntry(K key)