Package org.cloudbus.cloudsim.core.events

Class FutureQueue

java.lang.Object

org.cloudbus.cloudsim.core.events.FutureQueue

All Implemented Interfaces:

EventQueue

public class FutureQueue
extends Object
implements EventQueue

This class implements the future event queue used by CloudSim. The event queue uses a TreeSet in order to store the events.

Since:

CloudSim Toolkit 1.0

Author:

Marcos Dias de Assuncao

See Also:

TreeSet

Constructor Summary

Constructors

Constructor	Description
FutureQueue()

Method Summary

Modifier and Type	Method	Description
void	addEvent(SimEvent newEvent)	Adds a new event to the queue.
void	addEventFirst(SimEvent newEvent)	Adds a new event to the head of the queue.
void	clear()	Clears the queue.
SimEvent	first()	Gets the first element of the queue.
boolean	isEmpty()	Checks if the queue is empty.
Iterator<SimEvent>	iterator()	Returns an iterator to the elements into the queue.
boolean	remove(SimEvent event)	Removes the event from the queue.
boolean	removeAll(Collection<SimEvent> events)	Removes all the events from the queue.
boolean	removeIf(Predicate predicate)
int	size()	Returns the size of this event queue.
Stream<SimEvent>	stream()	Returns a stream to the elements into the queue.

Methods inherited from class java.lang.Object

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

Constructor Detail

FutureQueue

public FutureQueue()

Method Detail

addEvent

public void addEvent(SimEvent newEvent)

Description copied from interface: EventQueue

Adds a new event to the queue. Adding a new event to the queue preserves the temporal order of the events in the queue.

Specified by:

addEvent in interface EventQueue

Parameters:

newEvent - The event to be put in the queue.

addEventFirst

public void addEventFirst(SimEvent newEvent)

Adds a new event to the head of the queue.

Parameters:

newEvent - The event to be put in the queue.

iterator

public Iterator<SimEvent> iterator()

Description copied from interface: EventQueue

Returns an iterator to the elements into the queue.

Specified by:

iterator in interface EventQueue

Returns:

the iterator

stream

public Stream<SimEvent> stream()

Description copied from interface: EventQueue

Returns a stream to the elements into the queue.

Specified by:

stream in interface EventQueue

Returns:

the stream

size

public int size()

Description copied from interface: EventQueue

Returns the size of this event queue.

Specified by:

size in interface EventQueue

Returns:

the size

isEmpty

public boolean isEmpty()

Description copied from interface: EventQueue

Checks if the queue is empty.

Specified by:

isEmpty in interface EventQueue

Returns:

true if the queue is empty, false otherwise

remove

public boolean remove(SimEvent event)

Removes the event from the queue.

Parameters:

event - the event

Returns:

true, if successful

removeAll

public boolean removeAll(Collection<SimEvent> events)

Removes all the events from the queue.

Parameters:

events - the events

Returns:

true, if successful

removeIf

public boolean removeIf(Predicate predicate)

first

public SimEvent first()
               throws NoSuchElementException

Description copied from interface: EventQueue

Gets the first element of the queue.

Specified by:

first in interface EventQueue

Returns:

the first element

Throws:

NoSuchElementException - when the queue is empty

clear

public void clear()

Clears the queue.