it.unimi.dsi.fastutil.ints
Interface IntPriorityQueue

All Superinterfaces:

PriorityQueue

All Known Implementing Classes:

AbstractIntPriorityQueue, IntPriorityQueues.SynchronizedPriorityQueue, PriorityQueues.EmptyPriorityQueue

public interface IntPriorityQueue

extends PriorityQueue

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

Method Summary

int	dequeueInt() Dequeues the first element from the queue.
void	enqueue(int x) Enqueues a new element.
int	firstInt() Returns the front element of the queue.
int	lastInt() 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(int x)

Enqueues a new element.

Parameters:

x - the element to enqueue..

dequeueInt

public int dequeueInt()

Dequeues the first element from the queue.

Returns:

the dequeued element.

Throws:

NoSuchElementException - if the queue is empty.

firstInt

public int firstInt()

Returns the front element of the queue.

Returns:

the front element.

Throws:

NoSuchElementException - if the queue is empty.

lastInt

public int lastInt()

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.