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

Class IS_CST<J extends SimJob,Q extends IS_CST>

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.IS_CST<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 IS_CST<J extends SimJob,Q extends IS_CST>
extends AbstractNonPreemptiveWorkConservingSimQueue<J,Q>
implements SimQoS<J,Q>

The IS_CST queue serves all jobs simultaneously with fixed job-independent service times.

Infinite Server with Constant Service Times.

Each job has the same queue-determined service time. The job is not consulted for its service time through SimJob.getServiceTime(Q).

In the presence of vacations, i.e., jobs are not immediately admitted to the servers, this implementation respects the arrival order of jobs.

For jobs with identical arrival times, it is not guaranteed that they will depart in order of arrival.

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
IS_CST(org.javades.jsimulation.r5.SimEventList eventList, double serviceTime) Creates a new IS_CST queue with given SimEventList and (fixed) service time.

Method Summary

Modifier and Type	Method and Description
IS_CST<J,Q>	getCopySimQueue() Returns a new IS_CST object on the same SimEventList with the same service time.
Object	getQoS() Calls super method (in order to make implementation final).
Class	getQoSClass() Calls super method (in order to make implementation final).
double	getServiceTime() Returns the service time for all jobs.
protected double	getServiceTimeForJob(J job) Returns the service time for all jobs.
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) Throws an exception.
protected J	selectJobToStart() Returns the result from AbstractSimQueue.getFirstJobInWaitingArea().
String	toStringDefault() Returns "IS_CST[service time]".

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

IS_CST

public IS_CST(org.javades.jsimulation.r5.SimEventList eventList,
              double serviceTime)

Creates a new IS_CST queue with given SimEventList and (fixed) service time.

Parameters:

eventList - The event list to use.

serviceTime - The service time for all jobs.

Throws:

IllegalArgumentException - If serviceTime is strictly negative.

Method Detail

getCopySimQueue

public IS_CST<J,Q> getCopySimQueue()

Returns a new IS_CST object on the same SimEventList with the same service time.

Specified by:

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

Returns:

A new IS_CST object on the same SimEventList with the same service time.

See Also:

AbstractSimEntity.getEventList(), getServiceTime()

toStringDefault

public String toStringDefault()

Returns "IS_CST[service time]".

Specified by:

toStringDefault in interface SimEntity

Overrides:

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

Returns:

"IS_CST[service time]".

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 IS_CST>

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 IS_CST>

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 IS_CST>

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 IS_CST>

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)

selectJobToStart

protected final J selectJobToStart()

Returns the result from AbstractSimQueue.getFirstJobInWaitingArea().

Specified by:

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

Returns:

The result from AbstractSimQueue.getFirstJobInWaitingArea().

See Also:

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

selectJobToDropAtFullQueue

protected final J selectJobToDropAtFullQueue(J arrivingJob,
                                             double time)

Throws an exception.

Overrides:

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

Parameters:

arrivingJob - The arriving job.

time - The arrival time.

Returns:

This method does not return.

Throws:

IllegalStateException - As invocation of this method is unexpected (buffer cannot be full).

See Also:

AbstractNonPreemptiveWorkConservingSimQueue.insertJobInQueueUponArrival(J, double)

getServiceTime

public final double getServiceTime()

Returns the service time for all jobs.

Returns:

The service time for all jobs, non-negative.

getServiceTimeForJob

protected final double getServiceTimeForJob(J job)

Returns the service time for all jobs.

Overrides:

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

Parameters:

job - The job, non-null.

Returns:

The service time for all jobs as obtained through getServiceTime().

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 IS_CST>

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)