| 1 | package de.uka.ipd.sdq.stoex.analyser.operations; |
| 2 | |
| 3 | import de.uka.ipd.sdq.probfunction.math.IProbabilityMassFunction; |
| 4 | |
| 5 | /** |
| 6 | * Implements the operation "less than" for different kinds of operands. |
| 7 | * @author koziolek |
| 8 | */ |
| 9 | public class LessOperation extends CompareOperation { |
| 10 | |
| 11 | protected IProbabilityMassFunction getComparePMF(boolean left, boolean right) { |
| 12 | throw new UnsupportedOperationException(); |
| 13 | } |
| 14 | |
| 15 | protected IProbabilityMassFunction getComparePMF(double left, double right) { |
| 16 | if (left < right) |
| 17 | return getBoolPMF(1.0); |
| 18 | else |
| 19 | return getBoolPMF(0.0); |
| 20 | } |
| 21 | |
| 22 | protected IProbabilityMassFunction getComparePMF(double left, IProbabilityMassFunction right) { |
| 23 | return new GreaterOperation().compare(right, left); |
| 24 | } |
| 25 | |
| 26 | protected IProbabilityMassFunction getComparePMF(IProbabilityMassFunction left, double right) { |
| 27 | return getBoolPMF(getThresholdProbability(left, right, false)); |
| 28 | } |
| 29 | |
| 30 | protected IProbabilityMassFunction getComparePMF(IProbabilityMassFunction left, IProbabilityMassFunction right) { |
| 31 | return getBoolPMF(comparePointWise(left, right, this)); |
| 32 | } |
| 33 | |
| 34 | protected IProbabilityMassFunction getComparePMF(String left, IProbabilityMassFunction right) { |
| 35 | throw new UnsupportedOperationException(); |
| 36 | } |
| 37 | |
| 38 | protected IProbabilityMassFunction getComparePMF(String left, String right) { |
| 39 | throw new UnsupportedOperationException(); |
| 40 | } |
| 41 | |
| 42 | } |