it.unimi.dsi.fastutil.floats

Class FloatPriorityQueues.SynchronizedPriorityQueue

java.lang.Object

it.unimi.dsi.fastutil.floats.FloatPriorityQueues.SynchronizedPriorityQueue

All Implemented Interfaces:

FloatPriorityQueue, PriorityQueue<Float>

Enclosing class:

FloatPriorityQueues

public static class FloatPriorityQueues.SynchronizedPriorityQueue
extends Object
implements FloatPriorityQueue

A synchronized wrapper class for priority queues.

Field Summary

Fields

Modifier and Type	Field and Description
protected FloatPriorityQueue	q
protected Object	sync

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SynchronizedPriorityQueue(FloatPriorityQueue q)
protected	SynchronizedPriorityQueue(FloatPriorityQueue q, Object sync)

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.
FloatComparator	comparator() Returns the comparator associated with this priority queue, or null if it uses its elements' natural ordering.
Float	dequeue() Deprecated.
float	dequeueFloat() Dequeues the first element from the queue.
void	enqueue(float x) Enqueues a new element.
void	enqueue(Float x) Deprecated.
boolean	equals(Object o)
Float	first() Deprecated.
float	firstFloat() Returns the first element of the queue.
int	hashCode()
boolean	isEmpty() Checks whether this queue is empty.
Float	last() Deprecated.
float	lastFloat() 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, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

q

protected final FloatPriorityQueue q

sync

protected final Object sync

Constructor Detail

SynchronizedPriorityQueue

protected SynchronizedPriorityQueue(FloatPriorityQueue q,
                                    Object sync)

SynchronizedPriorityQueue

protected SynchronizedPriorityQueue(FloatPriorityQueue q)

Method Detail

enqueue

public void enqueue(float x)

Description copied from interface: FloatPriorityQueue

Enqueues a new element.

Specified by:

enqueue in interface FloatPriorityQueue

Parameters:

x - the element to enqueue.

See Also:

PriorityQueue.enqueue(Object)

dequeueFloat

public float dequeueFloat()

Description copied from interface: FloatPriorityQueue

Dequeues the first element from the queue.

Specified by:

dequeueFloat in interface FloatPriorityQueue

Returns:

the dequeued element.

See Also:

FloatPriorityQueue.dequeue()

firstFloat

public float firstFloat()

Description copied from interface: FloatPriorityQueue

Returns the first element of the queue.

Specified by:

firstFloat in interface FloatPriorityQueue

Returns:

the first element.

See Also:

FloatPriorityQueue.first()

lastFloat

public float lastFloat()

Description copied from interface: FloatPriorityQueue

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:

lastFloat in interface FloatPriorityQueue

Returns:

the last element.

See Also:

FloatPriorityQueue.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<Float>

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<Float>

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<Float>

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<Float>

comparator

public FloatComparator comparator()

Description copied from interface: FloatPriorityQueue

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 FloatPriorityQueue

Specified by:

comparator in interface PriorityQueue<Float>

Returns:

the comparator associated with this priority queue.

See Also:

PriorityQueue.comparator()

enqueue

@Deprecated
public void enqueue(Float x)

Deprecated.

Description copied from interface: FloatPriorityQueue

Enqueues a new element.

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

Specified by:

enqueue in interface FloatPriorityQueue

Specified by:

enqueue in interface PriorityQueue<Float>

Parameters:

x - the element to enqueue.

dequeue

@Deprecated
public Float dequeue()

Deprecated.

Description copied from interface: FloatPriorityQueue

Dequeues the first element from the queue.

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

Specified by:

dequeue in interface FloatPriorityQueue

Specified by:

dequeue in interface PriorityQueue<Float>

Returns:

the dequeued element.

first

@Deprecated
public Float first()

Deprecated.

Description copied from interface: FloatPriorityQueue

Returns the first element of the queue.

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

Specified by:

first in interface FloatPriorityQueue

Specified by:

first in interface PriorityQueue<Float>

Returns:

the first element.

last

@Deprecated
public Float last()

Deprecated.

Description copied from interface: FloatPriorityQueue

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 FloatPriorityQueue

Specified by:

last in interface PriorityQueue<Float>

Returns:

the last element.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object o)

Overrides:

equals in class Object