org.javades.jqueues.r5.entity.jq.queue.nonpreemptive

Class FCFS_B<J extends SimJob,Q extends FCFS_B>

java.lang.Object

org.javades.jqueues.r5.entity.AbstractSimEntity

org.javades.jqueues.r5.entity.jq.AbstractSimJQ<J,Q>

org.javades.jqueues.r5.entity.jq.queue.AbstractSimQueue<J,Q>

org.javades.jqueues.r5.entity.jq.queue.AbstractClassicSimQueue<J,Q>

org.javades.jqueues.r5.entity.jq.queue.nonpreemptive.AbstractNonPreemptiveWorkConservingSimQueue<J,Q>

org.javades.jqueues.r5.entity.jq.queue.nonpreemptive.FCFS_B<J,Q>

Type Parameters:

J - The type of SimJobs supported.

Q - The type of SimQueues supported.

All Implemented Interfaces:

SimQueue<J,Q>, SimQoS<J,Q>, SimEntity, org.javades.jsimulation.r5.SimEventListResetListener

public class FCFS_B<J extends SimJob,Q extends FCFS_B>
extends AbstractNonPreemptiveWorkConservingSimQueue<J,Q>
implements SimQoS<J,Q>

A FCFS queue with given (possibly infinite) buffer size.

First Come First Served with buffer size B and a single server.

Jobs arriving when the buffer is full are dropped.

Author:

Jan de Jongh, TNO

Copyright (C) 2005-2017 Jan de Jongh, TNO

This file is covered by the LICENSE file in the root of this project.

Nested Class Summary

Nested classes/interfaces inherited from class org.javades.jqueues.r5.entity.AbstractSimEntity

AbstractSimEntity.Notifier, AbstractSimEntity.PreNotificationHook

Nested classes/interfaces inherited from interface org.javades.jqueues.r5.entity.jq.queue.SimQueue

SimQueue.AutoRevocationPolicy

Nested classes/interfaces inherited from interface org.javades.jqueues.r5.entity.SimEntity

SimEntity.Action, SimEntity.UnknownNotificationTypePolicy, SimEntity.UnknownOperationPolicy

Field Summary

Fields inherited from class org.javades.jqueues.r5.entity.jq.queue.AbstractSimQueue

eventsScheduled, SANITY

Fields inherited from class org.javades.jqueues.r5.entity.AbstractSimEntity

USE_ARRAY_OPTIMIZATION

Constructor Summary

Constructors

Constructor and Description
FCFS_B(org.javades.jsimulation.r5.SimEventList eventList, int bufferSize) Creates a single-server FCFS queue given an event list and given (possibly infinite) buffer size.

Method Summary

Modifier and Type	Method and Description
FCFS_B<J,Q>	getCopySimQueue() Returns a new FCFS_B object on the same SimEventList with the same buffer size.
Object	getQoS() Calls super method (in order to make implementation final).
Class	getQoSClass() Calls super method (in order to make implementation final).
protected double	getServiceTimeForJob(J job) Calls super method (in order to make implementation final).
protected void	insertJobInQueueUponArrival(J job, double time) Invokes super method and makes method implementation final.
protected void	removeJobFromQueueUponExit(J exitingJob, double time) Calls super method (in order to make implementation final).
protected void	resetEntitySubClass() Calls super method (in order to make implementation final).
protected J	selectJobToDropAtFullQueue(J arrivingJob, double time) Calls super method (in order to make implementation final).
protected J	selectJobToStart() Returns the result from AbstractSimQueue.getFirstJobInWaitingArea().
String	toStringDefault() Returns "FCFS_B[buffer size]".

Methods inherited from class org.javades.jqueues.r5.entity.jq.queue.nonpreemptive.AbstractNonPreemptiveWorkConservingSimQueue

hasServerAvailable, insertJobInQueueUponStart, isStartArmed, queueAccessVacationDropSubClass, removeJobFromQueueUponDeparture, removeJobFromQueueUponDrop, removeJobFromQueueUponRevokation, reschedule, rescheduleAfterArrival, rescheduleAfterDeparture, rescheduleAfterDrop, rescheduleAfterRevokation, rescheduleAfterStart, rescheduleForNewServerAccessCredits, setServerAccessCreditsSubClass

Methods inherited from class org.javades.jqueues.r5.entity.jq.queue.AbstractClassicSimQueue

getBufferSize, getNumberOfServers

Methods inherited from class org.javades.jqueues.r5.entity.jq.queue.AbstractSimQueue

arrive, autoRevoke, cancelDepartureEvent, cancelDepartureEvent, depart, departureFromEventList, drop, getAutoRevocationPolicy, getDepartureEvents, getDepartureEvents, getFirstJob, getFirstJobInServiceArea, getFirstJobInWaitingArea, getJobs, getJobsInServiceArea, getJobsInWaitingArea, getNumberOfJobs, getNumberOfJobsInServiceArea, getNumberOfJobsInWaitingArea, getServerAccessCredits, hasJobs, hasJobsInServiceArea, hasJobsInWaitingArea, hasServerAcccessCredits, isJob, isJobInServiceArea, isJobInWaitingArea, isQueueAccessVacation, registerStdOutSimQueueListener, revoke, revoke, scheduleDepartureEvent, scheduleJobArrival, setAutoRevocationPolicy, setQueueAccessVacation, setServerAccessCredits, start, takeServerAccessCredit, triggerPotentialNewStartArmed, unregisterStdOutSimQueueListener

Methods inherited from class org.javades.jqueues.r5.entity.AbstractSimEntity

addPendingNotification, addPendingNotification, clearAndUnlockPendingNotificationsIfLocked, delegateOperation, doAfterNotifications, doOperation, fireAndLockPendingNotifications, getEventList, getLastUpdateTime, getRegisteredDelegatedOperations, getRegisteredNotificationTypes, getRegisteredOperations, getSimEntityListeners, getUnknownNotificationTypePolicy, getUnknownOperationPolicy, isIgnoreEventListReset, notifyEventListReset, registerDelegatedOperation, registerNotificationType, registerOperation, registerPreEventHook, registerPreNotificationHook, registerPreUpdateHook, registerSimEntityListener, registerStdOutSimEntityListener, removeDelegationForOperation, resetEntity, setIgnoreEventListReset, setName, setUnknownNotificationTypePolicy, setUnknownOperationPolicy, toString, unregisterSimEntityListener, unregisterStdOutSimEntityListener, update

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.javades.jqueues.r5.entity.jq.queue.SimQueue

arrive, getAutoRevocationPolicy, getJobs, getJobsInServiceArea, getJobsInWaitingArea, getNumberOfJobs, getNumberOfJobsInServiceArea, getNumberOfJobsInWaitingArea, getServerAccessCredits, isJob, isJobInServiceArea, isJobInWaitingArea, isQueueAccessVacation, revoke, revoke, setAutoRevocationPolicy, setQueueAccessVacation, setServerAccessCredits

Methods inherited from interface org.javades.jqueues.r5.entity.SimEntity

doAfterNotifications, doOperation, getEventList, getLastUpdateTime, getRegisteredNotificationTypes, getRegisteredOperations, getSimEntityListeners, getUnknownNotificationTypePolicy, getUnknownOperationPolicy, isIgnoreEventListReset, registerSimEntityListener, resetEntity, setIgnoreEventListReset, setName, setUnknownNotificationTypePolicy, setUnknownOperationPolicy, unregisterSimEntityListener, update

Methods inherited from interface org.javades.jsimulation.r5.SimEventListResetListener

notifyEventListReset

Constructor Detail

FCFS_B

public FCFS_B(org.javades.jsimulation.r5.SimEventList eventList,
              int bufferSize)

Creates a single-server FCFS queue given an event list and given (possibly infinite) buffer size.

Parameters:

eventList - The event list to use.

bufferSize - The buffer size (non-negative), Integer.MAX_VALUE is interpreted as infinity.

Throws:

IllegalArgumentException - If the buffer size is negative.

Method Detail

getCopySimQueue

public FCFS_B<J,Q> getCopySimQueue()

Returns a new FCFS_B object on the same SimEventList with the same buffer size.

Specified by:

getCopySimQueue in interface SimQueue<J extends SimJob,Q extends FCFS_B>

Returns:

A new FCFS_B object on the same SimEventList with the same buffer size.

See Also:

AbstractSimEntity.getEventList(), AbstractClassicSimQueue.getBufferSize()

toStringDefault

public String toStringDefault()

Returns "FCFS_B[buffer size]".

Specified by:

toStringDefault in interface SimEntity

Overrides:

toStringDefault in class AbstractSimQueue<J extends SimJob,Q extends FCFS_B>

Returns:

"FCFS_B[buffer size]".

See Also:

SimEntity.setName(java.lang.String), Object.toString()

getQoSClass

public final Class getQoSClass()

Calls super method (in order to make implementation final).

Specified by:

getQoSClass in interface SimQoS<J extends SimJob,Q extends FCFS_B>

Returns:

The Java class used for QoS behavior, may be null.

getQoS

public final Object getQoS()

Calls super method (in order to make implementation final).

Specified by:

getQoS in interface SimQoS<J extends SimJob,Q extends FCFS_B>

Returns:

The QoS value, may be null.

resetEntitySubClass

protected final void resetEntitySubClass()

Calls super method (in order to make implementation final).

Overrides:

resetEntitySubClass in class AbstractNonPreemptiveWorkConservingSimQueue<J extends SimJob,Q extends FCFS_B>

See Also:

AbstractNonPreemptiveWorkConservingSimQueue.insertJobInQueueUponArrival(J, double)

insertJobInQueueUponArrival

protected final void insertJobInQueueUponArrival(J job,
                                                 double time)

Invokes super method and makes method implementation final.

Overrides:

insertJobInQueueUponArrival in class AbstractNonPreemptiveWorkConservingSimQueue<J extends SimJob,Q extends FCFS_B>

Parameters:

job - The job that arrived.

time - The current time (i.e., arrival time of the job).

See Also:

AbstractSimQueue.arrive(double, J), AbstractSimQueue.rescheduleAfterArrival(J, double)

selectJobToDropAtFullQueue

protected final J selectJobToDropAtFullQueue(J arrivingJob,
                                             double time)

Calls super method (in order to make implementation final).

Overrides:

selectJobToDropAtFullQueue in class AbstractNonPreemptiveWorkConservingSimQueue<J extends SimJob,Q extends FCFS_B>

Parameters:

arrivingJob - The job that arrives, non-null.

time - The job's arrival time.

Returns:

The result from the super method.

See Also:

AbstractNonPreemptiveWorkConservingSimQueue.insertJobInQueueUponArrival(J, double)

selectJobToStart

protected final J selectJobToStart()

Returns the result from AbstractSimQueue.getFirstJobInWaitingArea().

Specified by:

selectJobToStart in class AbstractNonPreemptiveWorkConservingSimQueue<J extends SimJob,Q extends FCFS_B>

Returns:

The result from AbstractSimQueue.getFirstJobInWaitingArea().

See Also:

AbstractNonPreemptiveWorkConservingSimQueue.insertJobInQueueUponArrival(J, double), AbstractNonPreemptiveWorkConservingSimQueue.reschedule(double)

getServiceTimeForJob

protected final double getServiceTimeForJob(J job)

Calls super method (in order to make implementation final).

Overrides:

getServiceTimeForJob in class AbstractSimQueue<J extends SimJob,Q extends FCFS_B>

Parameters:

job - The job, non-null.

Returns:

The result from the super method.

removeJobFromQueueUponExit

protected final void removeJobFromQueueUponExit(J exitingJob,
                                                double time)

Calls super method (in order to make implementation final).

Overrides:

removeJobFromQueueUponExit in class AbstractNonPreemptiveWorkConservingSimQueue<J extends SimJob,Q extends FCFS_B>

Parameters:

exitingJob - The jobs that ends its visit, non-null.

time - The current time, i.e., the time the job ends its visit.

See Also:

AbstractNonPreemptiveWorkConservingSimQueue.removeJobFromQueueUponDrop(J, double), AbstractNonPreemptiveWorkConservingSimQueue.removeJobFromQueueUponRevokation(J, double, boolean), AbstractNonPreemptiveWorkConservingSimQueue.removeJobFromQueueUponDeparture(J, double)