it.unimi.dsi.fastutil.shorts

Class ShortPriorityQueues.SynchronizedPriorityQueue

java.lang.Object

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

All Implemented Interfaces:

PriorityQueue<Short>, ShortPriorityQueue

Enclosing class:

ShortPriorityQueues

public static class ShortPriorityQueues.SynchronizedPriorityQueue
extends Object
implements ShortPriorityQueue

A synchronized wrapper class for priority queues.

Field Summary

Fields

Modifier and Type	Field and Description
protected ShortPriorityQueue	q
static long	serialVersionUID
protected Object	sync

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	ShortPriorityQueues.SynchronizedPriorityQueue(ShortPriorityQueue q)
protected	ShortPriorityQueues.SynchronizedPriorityQueue(ShortPriorityQueue q, Object sync)

Method Summary

Methods

Modifier and Type	Method and Description
void	changed() Notifies the queue that the first element has changed (optional operation).
void	clear() Removes all elements from this queue.
ShortComparator	comparator() Returns the comparator associated with this sorted set, or null if it uses its elements' natural ordering.
Short	dequeue() Dequeues the first element from the queue.
short	dequeueShort() Dequeues the first element from the queue.
void	enqueue(short x) Enqueues a new element.
void	enqueue(Short x) Enqueues a new element.
Short	first() Returns the first element of the queue.
short	firstShort() Returns the first element of the queue.
boolean	isEmpty() Checks whether the queue is empty.
Short	last() Returns the last element of the queue, that is, the element the would be dequeued last (optional operation).
short	lastShort() Returns the last 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

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

Field Detail

serialVersionUID

public static final long serialVersionUID

See Also:

Constant Field Values

q

protected final ShortPriorityQueue q

sync

protected final Object sync

Constructor Detail

ShortPriorityQueues.SynchronizedPriorityQueue

protected ShortPriorityQueues.SynchronizedPriorityQueue(ShortPriorityQueue q,
                                             Object sync)

ShortPriorityQueues.SynchronizedPriorityQueue

protected ShortPriorityQueues.SynchronizedPriorityQueue(ShortPriorityQueue q)

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 first element of the queue.

Specified by:

firstShort in interface ShortPriorityQueue

Returns:

the first element.

lastShort

public short lastShort()

Description copied from interface: ShortPriorityQueue

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

Specified by:

lastShort in interface ShortPriorityQueue

Returns:

the last element.

isEmpty

public boolean isEmpty()

Description copied from interface: PriorityQueue

Checks whether the queue is empty.

Specified by:

isEmpty in interface PriorityQueue<Short>

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<Short>

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<Short>

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<Short>

comparator

public ShortComparator comparator()

Description copied from interface: ShortPriorityQueue

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

Note that this specification strengthens the one given in PriorityQueue.comparator().

Specified by:

comparator in interface PriorityQueue<Short>

Specified by:

comparator in interface ShortPriorityQueue

Returns:

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

See Also:

PriorityQueue.comparator()

enqueue

public void enqueue(Short x)

Description copied from interface: PriorityQueue

Enqueues a new element.

Specified by:

enqueue in interface PriorityQueue<Short>

Parameters:

x - the element to enqueue..

dequeue

public Short dequeue()

Description copied from interface: PriorityQueue

Dequeues the first element from the queue.

Specified by:

dequeue in interface PriorityQueue<Short>

Returns:

the dequeued element.

first

public Short first()

Description copied from interface: PriorityQueue

Returns the first element of the queue.

Specified by:

first in interface PriorityQueue<Short>

Returns:

the first element.

last

public Short 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<Short>

Returns:

the last element.