| 1 | package de.uka.ipd.sdq.spa.basicsolver.operations; |
| 2 | |
| 3 | import java.util.ArrayList; |
| 4 | import java.util.Hashtable; |
| 5 | import java.util.List; |
| 6 | import java.util.Set; |
| 7 | |
| 8 | import de.uka.ipd.sdq.probfunction.math.IProbabilityMassFunction; |
| 9 | import de.uka.ipd.sdq.probfunction.math.ManagedPDF; |
| 10 | import de.uka.ipd.sdq.probfunction.math.exception.ConfigurationNotSetException; |
| 11 | import de.uka.ipd.sdq.probfunction.math.exception.ProbabilityFunctionException; |
| 12 | import de.uka.ipd.sdq.spa.basicsolver.exceptions.BothNullExpeception; |
| 13 | import de.uka.ipd.sdq.spa.resourcemodel.ActiveResource; |
| 14 | import de.uka.ipd.sdq.spa.resourcemodel.Resource; |
| 15 | import de.uka.ipd.sdq.spa.resourcemodel.ResourceUsage; |
| 16 | |
| 17 | public class RUPerformanceOps { |
| 18 | |
| 19 | private PDFPerformanceOps pdfPerformanceOps; |
| 20 | |
| 21 | public RUPerformanceOps(PDFPerformanceOps pdfPerformanceOps) { |
| 22 | super(); |
| 23 | this.pdfPerformanceOps = pdfPerformanceOps; |
| 24 | } |
| 25 | |
| 26 | public RUPerformanceOps() { |
| 27 | pdfPerformanceOps = new PDFPerformanceOps(); |
| 28 | } |
| 29 | |
| 30 | public Hashtable<ActiveResource, ManagedPDF> computeIteration( |
| 31 | Hashtable<ActiveResource, ManagedPDF> innerRUs, |
| 32 | IProbabilityMassFunction iterations) throws ConfigurationNotSetException { |
| 33 | Hashtable<ActiveResource, ManagedPDF> resultTable = new Hashtable<ActiveResource, ManagedPDF>(); |
| 34 | |
| 35 | try { |
| 36 | for (ActiveResource resource : innerRUs.keySet()) { |
| 37 | ManagedPDF ru = pdfPerformanceOps.computeIteration(innerRUs.get(resource), |
| 38 | iterations); |
| 39 | resultTable.put(resource, ru); |
| 40 | } |
| 41 | } catch (ProbabilityFunctionException e) { |
| 42 | e.printStackTrace(); |
| 43 | System.exit(1); |
| 44 | } |
| 45 | |
| 46 | return resultTable; |
| 47 | |
| 48 | } |
| 49 | |
| 50 | public Hashtable<Resource, ManagedPDF> getResourceUsageTimes( |
| 51 | List<ResourceUsage> resourceUsageList) { |
| 52 | |
| 53 | Hashtable<Resource, ManagedPDF> resultTable = new Hashtable<Resource, ManagedPDF>(); |
| 54 | for (ResourceUsage resourceUsage : resourceUsageList) { |
| 55 | Resource resource = resourceUsage.getResource(); |
| 56 | ManagedPDF managedPDF = new ManagedPDF( |
| 57 | resourceUsage.getUsageTime(), true); |
| 58 | resultTable.put(resource, managedPDF); |
| 59 | } |
| 60 | return resultTable; |
| 61 | } |
| 62 | |
| 63 | public Hashtable<ActiveResource, ManagedPDF> computeAlternative( |
| 64 | Hashtable<ActiveResource, ManagedPDF> leftRUs, double leftProb, |
| 65 | Hashtable<ActiveResource, ManagedPDF> rightRUs, double rightProb) { |
| 66 | |
| 67 | return performOperation(BinaryOperation.ALTERNATIVE, leftRUs, leftProb, |
| 68 | rightRUs, rightProb); |
| 69 | } |
| 70 | |
| 71 | public Hashtable<ActiveResource, ManagedPDF> computeParallel( |
| 72 | Hashtable<ActiveResource, ManagedPDF> leftRUs, |
| 73 | Hashtable<ActiveResource, ManagedPDF> rightRUs) { |
| 74 | |
| 75 | return performOperation(BinaryOperation.PARALLEL, leftRUs, 0, rightRUs, |
| 76 | 0); |
| 77 | } |
| 78 | |
| 79 | public Hashtable<ActiveResource, ManagedPDF> computeSequence( |
| 80 | Hashtable<ActiveResource, ManagedPDF> leftRUs, |
| 81 | Hashtable<ActiveResource, ManagedPDF> rightRUs) { |
| 82 | |
| 83 | return performOperation(BinaryOperation.SEQUENCE, leftRUs, 0, rightRUs, |
| 84 | 0); |
| 85 | } |
| 86 | |
| 87 | private Hashtable<ActiveResource, ManagedPDF> performOperation( |
| 88 | BinaryOperation op, Hashtable<ActiveResource, ManagedPDF> leftRUs, |
| 89 | double leftProbability, |
| 90 | Hashtable<ActiveResource, ManagedPDF> rightRUs, |
| 91 | double rightProbability) { |
| 92 | |
| 93 | Hashtable<ActiveResource, ManagedPDF> resultTable = new Hashtable<ActiveResource, ManagedPDF>(); |
| 94 | |
| 95 | try { |
| 96 | List<ActiveResource> keyList = getDisjointUnion(leftRUs.keySet(), |
| 97 | rightRUs.keySet()); |
| 98 | for (ActiveResource resource : keyList) { |
| 99 | ManagedPDF leftRU = leftRUs.get(resource); |
| 100 | ManagedPDF rightRU = rightRUs.get(resource); |
| 101 | ManagedPDF resultRU = performOperation(op, leftRU, |
| 102 | leftProbability, rightRU, rightProbability); |
| 103 | resultTable.put(resource, resultRU); |
| 104 | } |
| 105 | } catch (Exception e) { |
| 106 | e.printStackTrace(); |
| 107 | System.exit(1); |
| 108 | } |
| 109 | return resultTable; |
| 110 | } |
| 111 | |
| 112 | private ManagedPDF performOperation(BinaryOperation op, ManagedPDF leftRU, |
| 113 | double leftProbability, ManagedPDF rightRU, double rightProbability) |
| 114 | throws ProbabilityFunctionException, BothNullExpeception, ConfigurationNotSetException { |
| 115 | leftRU = ensureNotNull(leftRU, rightRU); |
| 116 | rightRU = ensureNotNull(rightRU, leftRU); |
| 117 | return pdfPerformanceOps.performOperation(op, leftRU, leftProbability, rightRU, |
| 118 | rightProbability); |
| 119 | } |
| 120 | |
| 121 | private ManagedPDF ensureNotNull(ManagedPDF rightRU, ManagedPDF leftRU) |
| 122 | throws BothNullExpeception, ConfigurationNotSetException { |
| 123 | if (rightRU == null) { |
| 124 | if (leftRU == null) { |
| 125 | throw new BothNullExpeception(); |
| 126 | } else { |
| 127 | rightRU = ManagedPDF.createDiracImpulse(); |
| 128 | } |
| 129 | } |
| 130 | return rightRU; |
| 131 | } |
| 132 | |
| 133 | private List<ActiveResource> getDisjointUnion(Set<ActiveResource> setOne, |
| 134 | Set<ActiveResource> name) { |
| 135 | List<ActiveResource> resultList = new ArrayList<ActiveResource>(setOne); |
| 136 | for (ActiveResource resource : name) { |
| 137 | if (!resultList.contains(resource)) { |
| 138 | resultList.add(resource); |
| 139 | } |
| 140 | } |
| 141 | return resultList; |
| 142 | } |
| 143 | } |