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.

Method Summary

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 priority queue, or null if it uses its elements' natural ordering.
Short	dequeue() Deprecated.
short	dequeueShort() Dequeues the first element from the queue.
void	enqueue(short x) Enqueues a new element.
void	enqueue(Short x) Deprecated.
boolean	equals(Object o)
Short	first() Deprecated.
short	firstShort() Returns the first element of the queue.
int	hashCode()
boolean	isEmpty() Checks whether this queue is empty.
Short	last() Deprecated.
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

getClass, notify, notifyAll, toString, wait, wait, wait

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.

See Also:

PriorityQueue.enqueue(Object)

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.

See Also:

ShortPriorityQueue.dequeue()

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.

See Also:

ShortPriorityQueue.first()

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).

This default implementation just throws an UnsupportedOperationException.

Specified by:

lastShort in interface ShortPriorityQueue

Returns:

the last element.

See Also:

ShortPriorityQueue.last()

isEmpty

public boolean isEmpty()

Description copied from interface: PriorityQueue

Checks whether this queue is empty.

This default implementation checks whether PriorityQueue.size() is zero.

Specified by:

isEmpty in interface PriorityQueue<Short>

Returns:

true if this 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).

This default implementation just throws an UnsupportedOperationException.

Specified by:

changed in interface PriorityQueue<Short>

comparator

public ShortComparator comparator()

Description copied from interface: ShortPriorityQueue

Returns the comparator associated with this priority queue, 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 priority queue.

See Also:

PriorityQueue.comparator()

enqueue

@Deprecated
public void enqueue(Short x)

Deprecated.

Description copied from interface: ShortPriorityQueue

Enqueues a new element.

This default implementation delegates to the corresponding type-specific method.

Specified by:

enqueue in interface PriorityQueue<Short>

Specified by:

enqueue in interface ShortPriorityQueue

Parameters:

x - the element to enqueue.

dequeue

@Deprecated
public Short dequeue()

Deprecated.

Description copied from interface: ShortPriorityQueue

Dequeues the first element from the queue.

This default implementation delegates to the corresponding type-specific method.

Specified by:

dequeue in interface PriorityQueue<Short>

Specified by:

dequeue in interface ShortPriorityQueue

Returns:

the dequeued element.

first

@Deprecated
public Short first()

Deprecated.

Description copied from interface: ShortPriorityQueue

Returns the first element of the queue.

This default implementation delegates to the corresponding type-specific method.

Specified by:

first in interface PriorityQueue<Short>

Specified by:

first in interface ShortPriorityQueue

Returns:

the first element.

last

@Deprecated
public Short last()

Deprecated.

Description copied from interface: ShortPriorityQueue

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

This default implementation just throws an UnsupportedOperationException.

This default implementation delegates to the corresponding type-specific method.

Specified by:

last in interface PriorityQueue<Short>

Specified by:

last in interface ShortPriorityQueue

Returns:

the last element.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object