it.unimi.dsi.fastutil.chars

Class CharPriorityQueues.SynchronizedPriorityQueue

java.lang.Object

it.unimi.dsi.fastutil.chars.CharPriorityQueues.SynchronizedPriorityQueue

All Implemented Interfaces:

CharPriorityQueue, PriorityQueue<Character>

Enclosing class:

CharPriorityQueues

public static class CharPriorityQueues.SynchronizedPriorityQueue
extends Object
implements CharPriorityQueue

A synchronized wrapper class for priority queues.

Field Summary

Fields

Modifier and Type	Field and Description
protected CharPriorityQueue	q
static long	serialVersionUID
protected Object	sync

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	CharPriorityQueues.SynchronizedPriorityQueue(CharPriorityQueue q)
protected	CharPriorityQueues.SynchronizedPriorityQueue(CharPriorityQueue q, Object sync)

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.
CharComparator	comparator() Returns the comparator associated with this sorted set, or null if it uses its elements' natural ordering.
Character	dequeue() Dequeues the first element from the queue.
char	dequeueChar() Dequeues the first element from the queue.
void	enqueue(char x) Enqueues a new element.
void	enqueue(Character x) Enqueues a new element.
Character	first() Returns the first element of the queue.
char	firstChar() Returns the first element of the queue.
boolean	isEmpty() Checks whether the queue is empty.
Character	last() Returns the last element of the queue, that is, the element the would be dequeued last (optional operation).
char	lastChar() 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, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

serialVersionUID

public static final long serialVersionUID

See Also:

Constant Field Values

q

protected final CharPriorityQueue q

sync

protected final Object sync

Constructor Detail

CharPriorityQueues.SynchronizedPriorityQueue

protected CharPriorityQueues.SynchronizedPriorityQueue(CharPriorityQueue q,
                                            Object sync)

CharPriorityQueues.SynchronizedPriorityQueue

protected CharPriorityQueues.SynchronizedPriorityQueue(CharPriorityQueue q)

Method Detail

enqueue

public void enqueue(char x)

Description copied from interface: CharPriorityQueue

Enqueues a new element.

Specified by:

enqueue in interface CharPriorityQueue

Parameters:

x - the element to enqueue.

dequeueChar

public char dequeueChar()

Description copied from interface: CharPriorityQueue

Dequeues the first element from the queue.

Specified by:

dequeueChar in interface CharPriorityQueue

Returns:

the dequeued element.

firstChar

public char firstChar()

Description copied from interface: CharPriorityQueue

Returns the first element of the queue.

Specified by:

firstChar in interface CharPriorityQueue

Returns:

the first element.

lastChar

public char lastChar()

Description copied from interface: CharPriorityQueue

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

Specified by:

lastChar in interface CharPriorityQueue

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<Character>

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<Character>

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<Character>

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<Character>

comparator

public CharComparator comparator()

Description copied from interface: CharPriorityQueue

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 CharPriorityQueue

Specified by:

comparator in interface PriorityQueue<Character>

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(Character x)

Description copied from interface: PriorityQueue

Enqueues a new element.

Specified by:

enqueue in interface PriorityQueue<Character>

Parameters:

x - the element to enqueue..

dequeue

public Character dequeue()

Description copied from interface: PriorityQueue

Dequeues the first element from the queue.

Specified by:

dequeue in interface PriorityQueue<Character>

Returns:

the dequeued element.

first

public Character first()

Description copied from interface: PriorityQueue

Returns the first element of the queue.

Specified by:

first in interface PriorityQueue<Character>

Returns:

the first element.

last

public Character 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<Character>

Returns:

the last element.