it.unimi.dsi.fastutil.shorts
Interface ShortPriorityQueue

All Superinterfaces:
PriorityQueue
All Known Implementing Classes:
AbstractShortPriorityQueue, PriorityQueues.EmptyPriorityQueue, ShortPriorityQueues.SynchronizedPriorityQueue

public interface ShortPriorityQueue
extends PriorityQueue

A type-specific PriorityQueue; provides some additional methods that use polymorphism to reduce type juggling.


Method Summary
 short dequeueShort()
          Dequeues the first element from the queue.
 void enqueue(short x)
          Enqueues a new element.
 short firstShort()
          Returns the front element of the queue.
 short lastShort()
          Returns the rear element of the queue, that is, the element the would be dequeued last (optional operation).
 
Methods inherited from interface it.unimi.dsi.fastutil.PriorityQueue
changed, clear, comparator, dequeue, enqueue, first, isEmpty, last, size
 

Method Detail

enqueue

public void enqueue(short x)
Enqueues a new element.

Parameters:
x - the element to enqueue..

dequeueShort

public short dequeueShort()
Dequeues the first element from the queue.

Returns:
the dequeued element.
Throws:
NoSuchElementException - if the queue is empty.

firstShort

public short firstShort()
Returns the front element of the queue.

Returns:
the front element.
Throws:
NoSuchElementException - if the queue is empty.

lastShort

public short lastShort()
Returns the rear element of the queue, that is, the element the would be dequeued last (optional operation).

Returns:
the rear element.
Throws:
NoSuchElementException - if the queue is empty.