| 1 | package de.uka.ipd.sdq.simucomframework.variables.functions; |
| 2 | |
| 3 | import java.util.List; |
| 4 | |
| 5 | import de.uka.ipd.sdq.probfunction.math.IPDFFactory; |
| 6 | import de.uka.ipd.sdq.probfunction.math.IRandomGenerator; |
| 7 | |
| 8 | import de.uka.ipd.sdq.probfunction.math.IUniformIntDistribution; |
| 9 | |
| 10 | |
| 11 | |
| 12 | public class UniIntDistFunction extends AbstractProbDistFunction { |
| 13 | |
| 14 | |
| 15 | public UniIntDistFunction(IRandomGenerator random, IPDFFactory factory) { |
| 16 | super(random, factory); |
| 17 | } |
| 18 | |
| 19 | public boolean checkParameters(List<Object> parameters) { |
| 20 | if (parameters.size() != 2) |
| 21 | return false; |
| 22 | if (!(parameters.get(0) instanceof Integer && parameters.get(1) instanceof Integer)) |
| 23 | return false; |
| 24 | return true; |
| 25 | } |
| 26 | |
| 27 | public Object evaluate(List<Object> parameters) { |
| 28 | int a = (Integer) parameters.get(0); |
| 29 | int b = (Integer) parameters.get(1); |
| 30 | IUniformIntDistribution distribution = factory.createUniformIntDistribution(a, b); |
| 31 | return distribution.inverseF(randomGen.random()); |
| 32 | } |
| 33 | |
| 34 | } |