it.unimi.dsi.fastutil.doubles

Class DoublePriorityQueues.SynchronizedPriorityQueue

java.lang.Object

it.unimi.dsi.fastutil.doubles.DoublePriorityQueues.SynchronizedPriorityQueue

All Implemented Interfaces:

DoublePriorityQueue, it.unimi.dsi.fastutil.PriorityQueue<java.lang.Double>

Enclosing class:

DoublePriorityQueues

public static class DoublePriorityQueues.SynchronizedPriorityQueue
extends java.lang.Object
implements DoublePriorityQueue

A synchronized wrapper class for priority queues.

Field Summary

Fields

Modifier and Type	Field and Description
protected DoublePriorityQueue	q
protected java.lang.Object	sync

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	SynchronizedPriorityQueue(DoublePriorityQueue q)
protected	SynchronizedPriorityQueue(DoublePriorityQueue q, java.lang.Object sync)

Method Summary

Modifier and Type	Method and Description
void	changed()
void	clear()
it.unimi.dsi.fastutil.doubles.DoubleComparator	comparator() Returns the comparator associated with this priority queue, or null if it uses its elements' natural ordering.
java.lang.Double	dequeue() Deprecated.
double	dequeueDouble() Dequeues the first element from the queue.
void	enqueue(double x) Enqueues a new element.
void	enqueue(java.lang.Double x) Deprecated.
boolean	equals(java.lang.Object o)
java.lang.Double	first() Deprecated.
double	firstDouble() Returns the first element of the queue.
int	hashCode()
boolean	isEmpty()
java.lang.Double	last() Deprecated.
double	lastDouble() Returns the last element of the queue, that is, the element the would be dequeued last (optional operation).
int	size()

Methods inherited from class java.lang.Object

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

Field Detail

q

protected final DoublePriorityQueue q

sync

protected final java.lang.Object sync

Constructor Detail

SynchronizedPriorityQueue

protected SynchronizedPriorityQueue(DoublePriorityQueue q,
                                    java.lang.Object sync)

SynchronizedPriorityQueue

protected SynchronizedPriorityQueue(DoublePriorityQueue q)

Method Detail

enqueue

public void enqueue(double x)

Description copied from interface: DoublePriorityQueue

Enqueues a new element.

Specified by:

enqueue in interface DoublePriorityQueue

Parameters:

x - the element to enqueue.

See Also:

PriorityQueue.enqueue(Object)

dequeueDouble

public double dequeueDouble()

Description copied from interface: DoublePriorityQueue

Dequeues the first element from the queue.

Specified by:

dequeueDouble in interface DoublePriorityQueue

Returns:

the dequeued element.

See Also:

DoublePriorityQueue.dequeue()

firstDouble

public double firstDouble()

Description copied from interface: DoublePriorityQueue

Returns the first element of the queue.

Specified by:

firstDouble in interface DoublePriorityQueue

Returns:

the first element.

See Also:

DoublePriorityQueue.first()

lastDouble

public double lastDouble()

Description copied from interface: DoublePriorityQueue

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:

lastDouble in interface DoublePriorityQueue

Returns:

the last element.

See Also:

DoublePriorityQueue.last()

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface it.unimi.dsi.fastutil.PriorityQueue<java.lang.Double>

size

public int size()

Specified by:

size in interface it.unimi.dsi.fastutil.PriorityQueue<java.lang.Double>

clear

public void clear()

Specified by:

clear in interface it.unimi.dsi.fastutil.PriorityQueue<java.lang.Double>

changed

public void changed()

Specified by:

changed in interface it.unimi.dsi.fastutil.PriorityQueue<java.lang.Double>

comparator

public it.unimi.dsi.fastutil.doubles.DoubleComparator comparator()

Description copied from interface: DoublePriorityQueue

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

Specified by:

comparator in interface DoublePriorityQueue

Specified by:

comparator in interface it.unimi.dsi.fastutil.PriorityQueue<java.lang.Double>

Returns:

the comparator associated with this priority queue.

See Also:

PriorityQueue.comparator()

enqueue

@Deprecated
public void enqueue(java.lang.Double x)

Deprecated.

Description copied from interface: DoublePriorityQueue

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

Specified by:

enqueue in interface DoublePriorityQueue

Specified by:

enqueue in interface it.unimi.dsi.fastutil.PriorityQueue<java.lang.Double>

dequeue

@Deprecated
public java.lang.Double dequeue()

Deprecated.

Description copied from interface: DoublePriorityQueue

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

Specified by:

dequeue in interface DoublePriorityQueue

Specified by:

dequeue in interface it.unimi.dsi.fastutil.PriorityQueue<java.lang.Double>

first

@Deprecated
public java.lang.Double first()

Deprecated.

Description copied from interface: DoublePriorityQueue

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

Specified by:

first in interface DoublePriorityQueue

Specified by:

first in interface it.unimi.dsi.fastutil.PriorityQueue<java.lang.Double>

last

@Deprecated
public java.lang.Double last()

Deprecated.

Description copied from interface: DoublePriorityQueue

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

Specified by:

last in interface DoublePriorityQueue

Specified by:

last in interface it.unimi.dsi.fastutil.PriorityQueue<java.lang.Double>

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

equals

public boolean equals(java.lang.Object o)

Overrides:

equals in class java.lang.Object