Class MonteCarloSolver

java.lang.Object

solvers.queueingnet.QNSolver

solvers.queueingnet.MonteCarloSolver

All Implemented Interfaces:

QNSolverInterface

public class MonteCarloSolver
extends QNSolver

Monte Carlo solution algorithm of JMVA, used by the exact solvers to reduce the complexity of large models.

Field Summary

Fields inherited from class QNSolver

G, memUsage, qnm, totalTimer

Constructor Summary

Constructors

Constructor	Description
MonteCarloSolver(QNModel qnm, double tolerance, int maxSamples)

Method Summary

Modifier and Type	Method	Description
void	computeNormalisingConstant()	Computes the normalising constant for the specified QNModel.
void	computePerformanceMeasures()	Computes and stores the performance measures (mean throughputs and mean queue lengths for the current model.

Methods inherited from class QNSolver

getNormalisingConstant, printMemUsage, printTimeStatistics, printWelcome

Methods inherited from class Object

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

Constructor Details

MonteCarloSolver

public MonteCarloSolver(QNModel qnm,
 double tolerance,
 int maxSamples)
                 throws InternalErrorException

Throws:

InternalErrorException

Method Details

computeNormalisingConstant

public void computeNormalisingConstant()
                                throws InternalErrorException

Description copied from class: QNSolver

Computes the normalising constant for the specified QNModel.

Specified by:

computeNormalisingConstant in interface QNSolverInterface

Overrides:

computeNormalisingConstant in class QNSolver

Throws:

InternalErrorException - * @throws InternalErrorException An exception is thrown if any internal error is encountered during computations.

computePerformanceMeasures

public void computePerformanceMeasures()
                                throws InternalErrorException

Description copied from class: QNSolver

Computes and stores the performance measures (mean throughputs and mean queue lengths for the current model.

Specified by:

computePerformanceMeasures in interface QNSolverInterface

Overrides:

computePerformanceMeasures in class QNSolver

Throws:

InternalErrorException - Thrown when any computation fails