Interface QNSolverInterface

All Known Implementing Classes:

CoMoMBTFSolver, CoMoMSimpleSolver, CoMoMSolver, ConvolutionSolver, MoMSolver, MonteCarloLogisticSolver, MonteCarloSolver, QNSolver, RECALNonRecursiveSolver, RECALSolver, RecursiveSolver, RGFSolver, TreeConvolutionSolver, TreeMVASolver

public interface QNSolverInterface

Interface which every solver must implement, as it defines a common way of performing the same operations, such as initialisation, evaluation and returning the results.

Author:

Michail Makaronidis, 2010

Method Summary

Modifier and Type	Method	Description
void	computeNormalisingConstant()	Computes and stores the normalising constant.
void	computePerformanceMeasures()	Computes and stores the performance measures (mean throughputs and mean queue lengths for the current model.
String	getNormalisingConstant()	Returns a string representing the normalising constant.
void	printMemUsage()	Prints the highest actual memory usage during the network's evaluation.
void	printTimeStatistics()	Prints the time needed for the solver object to evaluate the network.
void	printWelcome()	Prints a short welcome message that says which solver is used.

Method Details

computeNormalisingConstant

void computeNormalisingConstant()
                         throws InternalErrorException,
OperationNotSupportedException,
InconsistentLinearSystemException,
BTFMatrixErrorException

Computes and stores the normalising constant.

Throws:

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

BTFMatrixErrorException

InconsistentLinearSystemException

OperationNotSupportedException

getNormalisingConstant

String getNormalisingConstant()

Returns a string representing the normalising constant.

Returns:

String representing the normalising constant

printWelcome

void printWelcome()

Prints a short welcome message that says which solver is used.

computePerformanceMeasures

void computePerformanceMeasures()
                         throws InternalErrorException

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

Throws:

InternalErrorException - Thrown when any computation fails

printTimeStatistics

void printTimeStatistics()

Prints the time needed for the solver object to evaluate the network. May print a more detailed time break-down.

printMemUsage

void printMemUsage()

Prints the highest actual memory usage during the network's evaluation.