it.unimi.dsi.fastutil.shorts
Class ShortPriorityQueues.SynchronizedPriorityQueue

java.lang.Object
  it.unimi.dsi.fastutil.shorts.ShortPriorityQueues.SynchronizedPriorityQueue

All Implemented Interfaces:

PriorityQueue, ShortPriorityQueue

Enclosing class:

ShortPriorityQueues

public static class ShortPriorityQueues.SynchronizedPriorityQueue

extends Object

implements ShortPriorityQueue

A synchronized wrapper class for priority queues.

Field Summary

static long

serialVersionUID

Method Summary

void	changed() Notifies the queue that the first element has changed (optional operation).
void	clear() Removes all elements from this queue.
Comparator	comparator() Returns the comparator associated with this queue, or null if it uses its elements' natural ordering.
Object	dequeue() Dequeues the first() element from the queue.
short	dequeueShort() Dequeues the first element from the queue.
void	enqueue(Object x) Enqueues a new element.
void	enqueue(short x) Enqueues a new element.
Object	first() Returns the first element of the queue.
short	firstShort() Returns the front element of the queue.
boolean	isEmpty() Checks whether the queue is empty.
Object	last() Returns the last element of the queue, that is, the element the would be dequeued last (optional operation).
short	lastShort() Returns the rear element of the queue, that is, the element the would be dequeued last (optional operation).
int	size() Returns the number of elements in this queue.

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

public static final long serialVersionUID

See Also:

Constant Field Values

Method Detail

enqueue

public void enqueue(short x)

Description copied from interface: ShortPriorityQueue

Enqueues a new element.

Specified by:

enqueue in interface ShortPriorityQueue

Parameters:

x - the element to enqueue..

dequeueShort

public short dequeueShort()

Description copied from interface: ShortPriorityQueue

Dequeues the first element from the queue.

Specified by:

dequeueShort in interface ShortPriorityQueue

Returns:

the dequeued element.

firstShort

public short firstShort()

Description copied from interface: ShortPriorityQueue

Returns the front element of the queue.

Specified by:

firstShort in interface ShortPriorityQueue

Returns:

the front element.

lastShort

public short lastShort()

Description copied from interface: ShortPriorityQueue

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

Specified by:

lastShort in interface ShortPriorityQueue

Returns:

the rear element.

isEmpty

public boolean isEmpty()

Description copied from interface: PriorityQueue

Checks whether the queue is empty.

Specified by:

isEmpty in interface PriorityQueue

Returns:

true if the queue is empty.

size

public int size()

Description copied from interface: PriorityQueue

Returns the number of elements in this queue.

Specified by:

size in interface PriorityQueue

Returns:

the number of elements in this queue.

clear

public void clear()

Description copied from interface: PriorityQueue

Removes all elements from this queue.

Specified by:

clear in interface PriorityQueue

changed

public void changed()

Description copied from interface: PriorityQueue

Notifies the queue that the first element has changed (optional operation).

Specified by:

changed in interface PriorityQueue

comparator

public Comparator comparator()

Description copied from interface: PriorityQueue

Returns the comparator associated with this queue, or null if it uses its elements' natural ordering.

Specified by:

comparator in interface PriorityQueue

Returns:

the comparator associated with this sorted set, or null if it uses its elements' natural ordering.

enqueue

public void enqueue(Object x)

Description copied from interface: PriorityQueue

Enqueues a new element.

Specified by:

enqueue in interface PriorityQueue

Parameters:

x - the element to enqueue..

dequeue

public Object dequeue()

Description copied from interface: PriorityQueue

Dequeues the PriorityQueue.first() element from the queue.

Specified by:

dequeue in interface PriorityQueue

Returns:

the dequeued element.

first

public Object first()

Description copied from interface: PriorityQueue

Returns the first element of the queue.

Specified by:

first in interface PriorityQueue

Returns:

the first element.

last

public Object last()

Description copied from interface: PriorityQueue

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

Specified by:

last in interface PriorityQueue

Returns:

the last element.