Class SolverMultiOpen

java.lang.Object

solvers.SolverMulti

solvers.multiSolverAlgorithms.SolverMultiOpen

public class SolverMultiOpen
extends SolverMulti

Solves a multiclass open model with the classical queueing network algorithms, as described in the JMVA chapter of the JMT user manual (load dependent stations are not allowed in open models).

Author:

Federico Granata, Stefano Omini, Bertoli Marco

Field Summary

Fields inherited from class SolverMulti

classes, CLOSED_CLASS, clsNumJobs, clsRespTime, clsThroughput, DELAY, HOL, LD, LI, name, OPEN_CLASS, priorities, PRS, pw, queueLen, residenceTime, scQueueLen, scResidTime, scThroughput, scUtilization, servers, servTime, stations, sysNumJobs, sysResponseTime, sysThroughput, throughput, type, utilization, visits

Constructor Summary

Constructors

Constructor	Description
SolverMultiOpen(int classes, int stations, double[] lambda)	Creates a SolverMultiOpen
SolverMultiOpen(int classes, int stations, double[] lambda, int[] servers)	Creates a SolverMultiOpen with multiple server support

Method Summary

Modifier and Type	Method	Description
boolean	hasSufficientProcessingCapacity()	A system is said to have sufficient capacity to process a given load lambda if no service center is saturated as a result of the combined loads of all the classes.
void	solve()	Solves the model, using an appropriate technique (LI or LD model).

Methods inherited from class SolverMulti

getAggrQueueLen, getAggrQueueLen, getAggrResTime, getAggrResTime, getAggrThroughput, getAggrThroughput, getAggrUtilization, getAggrUtilization, getClsResTime, getClsResTime, getClsThroughput, getClsThroughput, getQueueLen, getQueueLen, getResTime, getResTime, getThroughput, getThroughput, getTotResTime, getTotThroughput, getUtilization, getUtilization, getVisits, input, input, printIndices, setServTime, toString

Methods inherited from class Object

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

Constructor Details

SolverMultiOpen

public SolverMultiOpen(int classes,
 int stations,
 double[] lambda)

Creates a SolverMultiOpen

Parameters:

classes - number of classes

stations - number of stations

lambda - array of arrival rates

SolverMultiOpen

public SolverMultiOpen(int classes,
 int stations,
 double[] lambda,
 int[] servers)

Creates a SolverMultiOpen with multiple server support

Parameters:

classes - number of classes

stations - number of stations

lambda - array of arrival rates

Method Details

solve

public void solve()

Solves the model, using an appropriate technique (LI or LD model).

Specified by:

solve in class SolverMulti

hasSufficientProcessingCapacity

public boolean hasSufficientProcessingCapacity()

A system is said to have sufficient capacity to process a given load lambda if no service center is saturated as a result of the combined loads of all the classes.
WARNING: This method should be called before solving the system.

Specified by:

hasSufficientProcessingCapacity in class SolverMulti

Returns:

true if sufficient capacity exists for the given workload, false otherwise