it.unimi.dsi.fastutil.longs

Class LongPriorityQueues.SynchronizedPriorityQueue

java.lang.Object

it.unimi.dsi.fastutil.longs.LongPriorityQueues.SynchronizedPriorityQueue

All Implemented Interfaces:

LongPriorityQueue, PriorityQueue<Long>

Enclosing class:

LongPriorityQueues

public static class LongPriorityQueues.SynchronizedPriorityQueue
extends Object
implements LongPriorityQueue

A synchronized wrapper class for priority queues.

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.
LongComparator	comparator() Returns the comparator associated with this sorted set, or null if it uses its elements' natural ordering.
Long	dequeue() Dequeues the first element from the queue.
long	dequeueLong() Dequeues the first element from the queue.
void	enqueue(long x) Enqueues a new element.
void	enqueue(Long x) Enqueues a new element.
Long	first() Returns the first element of the queue.
long	firstLong() Returns the first element of the queue.
boolean	isEmpty() Checks whether the queue is empty.
Long	last() Returns the last element of the queue, that is, the element the would be dequeued last (optional operation).
long	lastLong() 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

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

Method Detail

enqueue

public void enqueue(long x)

Description copied from interface: LongPriorityQueue

Enqueues a new element.

Specified by:

enqueue in interface LongPriorityQueue

Parameters:

x - the element to enqueue.

dequeueLong

public long dequeueLong()

Description copied from interface: LongPriorityQueue

Dequeues the first element from the queue.

Specified by:

dequeueLong in interface LongPriorityQueue

Returns:

the dequeued element.

firstLong

public long firstLong()

Description copied from interface: LongPriorityQueue

Returns the first element of the queue.

Specified by:

firstLong in interface LongPriorityQueue

Returns:

the first element.

lastLong

public long lastLong()

Description copied from interface: LongPriorityQueue

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

Specified by:

lastLong in interface LongPriorityQueue

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<Long>

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<Long>

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<Long>

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<Long>

comparator

public LongComparator comparator()

Description copied from interface: LongPriorityQueue

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 LongPriorityQueue

Specified by:

comparator in interface PriorityQueue<Long>

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(Long x)

Description copied from interface: PriorityQueue

Enqueues a new element.

Specified by:

enqueue in interface PriorityQueue<Long>

Parameters:

x - the element to enqueue..

dequeue

public Long dequeue()

Description copied from interface: PriorityQueue

Dequeues the first element from the queue.

Specified by:

dequeue in interface PriorityQueue<Long>

Returns:

the dequeued element.

first

public Long first()

Description copied from interface: PriorityQueue

Returns the first element of the queue.

Specified by:

first in interface PriorityQueue<Long>

Returns:

the first element.

last

public Long 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<Long>

Returns:

the last element.