it.unimi.dsi.fastutil.ints

Class IntPriorityQueues.SynchronizedPriorityQueue

java.lang.Object

it.unimi.dsi.fastutil.ints.IntPriorityQueues.SynchronizedPriorityQueue

All Implemented Interfaces:

IntPriorityQueue, it.unimi.dsi.fastutil.PriorityQueue<java.lang.Integer>

Enclosing class:

IntPriorityQueues

public static class IntPriorityQueues.SynchronizedPriorityQueue
extends java.lang.Object
implements IntPriorityQueue

A synchronized wrapper class for priority queues.

Field Summary

Fields

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

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
void	changed()
void	clear()
it.unimi.dsi.fastutil.ints.IntComparator	comparator() Returns the comparator associated with this priority queue, or null if it uses its elements' natural ordering.
java.lang.Integer	dequeue() Deprecated.
int	dequeueInt() Dequeues the first element from the queue.
void	enqueue(int x) Enqueues a new element.
void	enqueue(java.lang.Integer x) Deprecated.
boolean	equals(java.lang.Object o)
java.lang.Integer	first() Deprecated.
int	firstInt() Returns the first element of the queue.
int	hashCode()
boolean	isEmpty()
java.lang.Integer	last() Deprecated.
int	lastInt() 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 IntPriorityQueue q

sync

protected final java.lang.Object sync

Constructor Detail

SynchronizedPriorityQueue

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

SynchronizedPriorityQueue

protected SynchronizedPriorityQueue(IntPriorityQueue q)

Method Detail

enqueue

public void enqueue(int x)

Description copied from interface: IntPriorityQueue

Enqueues a new element.

Specified by:

enqueue in interface IntPriorityQueue

Parameters:

x - the element to enqueue.

See Also:

PriorityQueue.enqueue(Object)

dequeueInt

public int dequeueInt()

Description copied from interface: IntPriorityQueue

Dequeues the first element from the queue.

Specified by:

dequeueInt in interface IntPriorityQueue

Returns:

the dequeued element.

See Also:

IntPriorityQueue.dequeue()

firstInt

public int firstInt()

Description copied from interface: IntPriorityQueue

Returns the first element of the queue.

Specified by:

firstInt in interface IntPriorityQueue

Returns:

the first element.

See Also:

IntPriorityQueue.first()

lastInt

public int lastInt()

Description copied from interface: IntPriorityQueue

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:

lastInt in interface IntPriorityQueue

Returns:

the last element.

See Also:

IntPriorityQueue.last()

isEmpty

public boolean isEmpty()

Specified by:

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

size

public int size()

Specified by:

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

clear

public void clear()

Specified by:

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

changed

public void changed()

Specified by:

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

comparator

public it.unimi.dsi.fastutil.ints.IntComparator comparator()

Description copied from interface: IntPriorityQueue

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

Specified by:

comparator in interface IntPriorityQueue

Specified by:

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

Returns:

the comparator associated with this priority queue.

See Also:

PriorityQueue.comparator()

enqueue

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

Deprecated.

Description copied from interface: IntPriorityQueue

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

Specified by:

enqueue in interface IntPriorityQueue

Specified by:

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

dequeue

@Deprecated
public java.lang.Integer dequeue()

Deprecated.

Description copied from interface: IntPriorityQueue

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

Specified by:

dequeue in interface IntPriorityQueue

Specified by:

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

first

@Deprecated
public java.lang.Integer first()

Deprecated.

Description copied from interface: IntPriorityQueue

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

Specified by:

first in interface IntPriorityQueue

Specified by:

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

last

@Deprecated
public java.lang.Integer last()

Deprecated.

Description copied from interface: IntPriorityQueue

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

Specified by:

last in interface IntPriorityQueue

Specified by:

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

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