de.uka.ipd.sdq.simucomframework.variables.cache

Class ProbFunctionCache

java.lang.Object

de.uka.ipd.sdq.simucomframework.variables.cache.ProbFunctionCache

public class ProbFunctionCache
extends java.lang.Object

A cache for Probability Functions. This saves the time to calculate the inverse commulative distribution function every time again

Constructor Summary

Constructors

Constructor and Description
ProbFunctionCache(de.uka.ipd.sdq.stoex.Expression ex) Initialise the probfunctition cache for all probfunctions in the given expression.

Method Summary

Modifier and Type	Method and Description
de.uka.ipd.sdq.probfunction.math.IProbabilityFunction	getProbFunction(EObject e) Return the cached probfuntion for partial expression e

Methods inherited from class java.lang.Object

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

Constructor Detail

ProbFunctionCache

public ProbFunctionCache(de.uka.ipd.sdq.stoex.Expression ex)

Initialise the probfunctition cache for all probfunctions in the given expression. A visitor is used to search for and cache all probfuntions

Parameters:

ex - The stoex to analyse

Method Detail

getProbFunction

public de.uka.ipd.sdq.probfunction.math.IProbabilityFunction getProbFunction(EObject e)

Return the cached probfuntion for partial expression e

Parameters:

e - SubExpession which has to be a probfunction literal for which to query the cache

Returns:

Cached probfunction