| 1 | package de.uka.ipd.sdq.dsexplore.analysis.cost; |
| 2 | |
| 3 | import java.util.ArrayList; |
| 4 | import java.util.HashMap; |
| 5 | import java.util.Iterator; |
| 6 | import java.util.List; |
| 7 | import java.util.Map; |
| 8 | |
| 9 | import org.apache.log4j.Logger; |
| 10 | import org.eclipse.core.runtime.CoreException; |
| 11 | import org.eclipse.core.runtime.IProgressMonitor; |
| 12 | import org.eclipse.core.runtime.Status; |
| 13 | import org.eclipse.debug.core.ILaunchConfiguration; |
| 14 | import org.eclipse.emf.common.util.EList; |
| 15 | import org.eclipse.emf.ecore.util.EcoreUtil; |
| 16 | import org.opt4j.core.Constraint; |
| 17 | import org.opt4j.core.Criterion; |
| 18 | import org.opt4j.core.Objective; |
| 19 | |
| 20 | import de.uka.ipd.sdq.dsexplore.analysis.AnalysisFailedException; |
| 21 | import de.uka.ipd.sdq.dsexplore.analysis.IAnalysis; |
| 22 | import de.uka.ipd.sdq.dsexplore.analysis.IAnalysisResult; |
| 23 | import de.uka.ipd.sdq.dsexplore.analysis.PCMPhenotype; |
| 24 | import de.uka.ipd.sdq.dsexplore.helper.EMFHelper; |
| 25 | import de.uka.ipd.sdq.dsexplore.launch.DSEConstantsContainer; |
| 26 | import de.uka.ipd.sdq.dsexplore.launch.DSEWorkflowConfiguration; |
| 27 | import de.uka.ipd.sdq.dsexplore.launch.DSEConstantsContainer.QualityAttribute; |
| 28 | import de.uka.ipd.sdq.dsexplore.qml.contract.QMLContract.EvaluationAspect; |
| 29 | import de.uka.ipd.sdq.dsexplore.qml.contracttype.QMLContractType.Dimension; |
| 30 | import de.uka.ipd.sdq.dsexplore.qml.pcm.datastructures.EvaluationAspectWithContext; |
| 31 | import de.uka.ipd.sdq.dsexplore.qml.pcm.datastructures.builder.InfeasibilityConstraintBuilder; |
| 32 | import de.uka.ipd.sdq.dsexplore.qml.pcm.datastructures.builder.ObjectiveBuilder; |
| 33 | import de.uka.ipd.sdq.dsexplore.qml.pcm.datastructures.builder.SatisfactionConstraintBuilder; |
| 34 | import de.uka.ipd.sdq.dsexplore.qml.pcm.reader.PCMDeclarationsReader; |
| 35 | import de.uka.ipd.sdq.dsexplore.qml.profile.QMLProfile.UsageScenarioRequirement; |
| 36 | import de.uka.ipd.sdq.pcm.allocation.AllocationContext; |
| 37 | import de.uka.ipd.sdq.pcm.core.composition.AssemblyContext; |
| 38 | import de.uka.ipd.sdq.pcm.core.composition.ComposedStructure; |
| 39 | import de.uka.ipd.sdq.pcm.cost.ComponentCostPerInstance; |
| 40 | import de.uka.ipd.sdq.pcm.cost.ComponentCostPerType; |
| 41 | import de.uka.ipd.sdq.pcm.cost.Cost; |
| 42 | import de.uka.ipd.sdq.pcm.cost.CostRepository; |
| 43 | import de.uka.ipd.sdq.pcm.cost.FixedProcessingResourceCost; |
| 44 | import de.uka.ipd.sdq.pcm.cost.ProcessingResourceCost; |
| 45 | import de.uka.ipd.sdq.pcm.cost.VariableProcessingResourceCost; |
| 46 | import de.uka.ipd.sdq.pcm.cost.helper.CostUtil; |
| 47 | import de.uka.ipd.sdq.pcm.repository.RepositoryComponent; |
| 48 | import de.uka.ipd.sdq.pcm.resourceenvironment.ProcessingResourceSpecification; |
| 49 | import de.uka.ipd.sdq.pcm.resourceenvironment.ResourceContainer; |
| 50 | import de.uka.ipd.sdq.pcm.resourcetype.ProcessingResourceType; |
| 51 | import de.uka.ipd.sdq.pcm.usagemodel.UsageModel; |
| 52 | import de.uka.ipd.sdq.pcmsolver.models.PCMInstance; |
| 53 | import de.uka.ipd.sdq.workflow.exceptions.JobFailedException; |
| 54 | import de.uka.ipd.sdq.workflow.exceptions.UserCanceledException; |
| 55 | import de.uka.ipd.sdq.workflow.mdsd.blackboard.MDSDBlackboard; |
| 56 | import de.uka.ipd.sdq.workflow.pcm.blackboard.PCMResourceSetPartition; |
| 57 | import de.uka.ipd.sdq.workflow.pcm.jobs.LoadPCMModelsIntoBlackboardJob; |
| 58 | |
| 59 | public class CostEvaluator implements IAnalysis{ |
| 60 | |
| 61 | /** Logger for log4j. */ |
| 62 | private static Logger logger = |
| 63 | Logger.getLogger("de.uka.ipd.sdq.dsexplore.analysis.cost"); |
| 64 | |
| 65 | private CostRepository costModel; |
| 66 | private MDSDBlackboard blackboard; |
| 67 | |
| 68 | private CostSolverQualityAttributeDeclaration costQualityAttribute = new CostSolverQualityAttributeDeclaration(); |
| 69 | |
| 70 | //Constraint handling |
| 71 | private List<Constraint> constraints = new ArrayList<Constraint>(); |
| 72 | private Map<Constraint, EvaluationAspectWithContext> constraintToAspect = new HashMap<Constraint, EvaluationAspectWithContext>(); //This is needed to determine, what THE result is (Mean, Variance, ...) |
| 73 | |
| 74 | private List<Objective> objectives = new ArrayList<Objective>(); |
| 75 | private Map<Objective, EvaluationAspectWithContext> objectiveToAspect = new HashMap<Objective, EvaluationAspectWithContext>(); |
| 76 | |
| 77 | private Map<Long, CostAnalysisResult> previousCostResults = new HashMap<Long, CostAnalysisResult>(); |
| 78 | |
| 79 | /** |
| 80 | * Sums up the initial cost of the PCM elements present in the given PCM instance. |
| 81 | * TODO For now, all cost in the internal costRepository are considered. Thus, only |
| 82 | * variable cost lead to a change in cost, e.g. the variable cost for |
| 83 | * changing processing rates. |
| 84 | * |
| 85 | * Careful: This must point to the right pcm instance first. |
| 86 | * @param pcmInstance the PCM instance |
| 87 | * @return |
| 88 | */ |
| 89 | private double getInitialCost(PCMInstance pcmInstance){ |
| 90 | List<Cost> costs = costModel.getCost(); |
| 91 | double sum = 0; |
| 92 | for (Iterator<Cost> iterator = costs.iterator(); iterator.hasNext();) { |
| 93 | Cost cost = iterator.next(); |
| 94 | if (doesCostApply(cost,pcmInstance)){ |
| 95 | sum += cost.getInitialCost(); |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | return sum; |
| 100 | } |
| 101 | |
| 102 | /** |
| 103 | * Only checks uses in system (for components) and in the allocation (for processing resources) |
| 104 | * @param cost |
| 105 | * @param pcmInstance |
| 106 | * @return |
| 107 | */ |
| 108 | private boolean doesCostApply(Cost cost, PCMInstance pcmInstance) { |
| 109 | if (VariableProcessingResourceCost.class.isInstance(cost)){ |
| 110 | VariableProcessingResourceCost vc = (VariableProcessingResourceCost)cost; |
| 111 | ResourceContainer rc = (ResourceContainer)vc.getProcessingresourcespecification().eContainer(); |
| 112 | return checkWhetherResourceContainerIsUsed(pcmInstance, rc); |
| 113 | //No usage of resource container found, return false. |
| 114 | } else if (cost instanceof ComponentCostPerType){ |
| 115 | ComponentCostPerType cc = (ComponentCostPerType)cost; |
| 116 | RepositoryComponent rc = cc.getRepositoryComponent(); |
| 117 | //List<AssemblyContext> asctx = pcmInstance.getSystem().getAssemblyContexts__ComposedStructure(); |
| 118 | //TODO: also retrieve inner assembly contexts of deployed composite components. Cost currently need to be specified separately. |
| 119 | |
| 120 | List<AssemblyContext> asctx = getAllContainedAssemblyContexts(pcmInstance.getSystem().getAssemblyContexts__ComposedStructure()); |
| 121 | |
| 122 | |
| 123 | for (AssemblyContext assemblyContext : asctx) { |
| 124 | if (EMFHelper.checkIdentity(assemblyContext.getEncapsulatedComponent__AssemblyContext(), rc)){ |
| 125 | return true; |
| 126 | } |
| 127 | } |
| 128 | return false; |
| 129 | } else if (cost instanceof FixedProcessingResourceCost){ |
| 130 | FixedProcessingResourceCost fc = (FixedProcessingResourceCost)cost; |
| 131 | ResourceContainer rc = (ResourceContainer)fc.getProcessingresourcespecification().eContainer(); |
| 132 | return checkWhetherResourceContainerIsUsed(pcmInstance, rc); |
| 133 | } else |
| 134 | return true; |
| 135 | } |
| 136 | |
| 137 | /** |
| 138 | * Get all contained ones recursively |
| 139 | * @param assemblyContextsComposedStructure |
| 140 | * @return |
| 141 | */ |
| 142 | private List<AssemblyContext> getAllContainedAssemblyContexts( |
| 143 | EList<AssemblyContext> assemblyContextsComposedStructure) { |
| 144 | List<AssemblyContext> list = new ArrayList<AssemblyContext>(); |
| 145 | list.addAll(assemblyContextsComposedStructure); |
| 146 | for (AssemblyContext assemblyContext : assemblyContextsComposedStructure) { |
| 147 | if (assemblyContext.getEncapsulatedComponent__AssemblyContext() instanceof ComposedStructure){ |
| 148 | ComposedStructure composite = (ComposedStructure)assemblyContext.getEncapsulatedComponent__AssemblyContext(); |
| 149 | list.addAll(getAllContainedAssemblyContexts(composite.getAssemblyContexts__ComposedStructure())); |
| 150 | } |
| 151 | } |
| 152 | return list; |
| 153 | } |
| 154 | |
| 155 | private boolean checkWhetherResourceContainerIsUsed(PCMInstance pcmInstance, |
| 156 | ResourceContainer rc) { |
| 157 | List<AllocationContext> alloc = pcmInstance.getAllocation().getAllocationContexts_Allocation(); |
| 158 | for (AllocationContext allocationContext : alloc) { |
| 159 | if (EMFHelper.checkIdentity(allocationContext.getResourceContainer_AllocationContext(), rc)){ |
| 160 | return true; |
| 161 | } |
| 162 | } |
| 163 | return false; |
| 164 | } |
| 165 | |
| 166 | /** |
| 167 | * Careful: This must point to the right pcm instance first. |
| 168 | * @param pcmInstance |
| 169 | * @return |
| 170 | */ |
| 171 | private double getOperatingCost(PCMInstance pcmInstance){ |
| 172 | return 0.0; |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * This calculates the perpetuity (see http://en.wikipedia.org/wiki/Present_value) cost. |
| 177 | * @param pcmInstance |
| 178 | * @param interest If interest <= 0, no operating cost are taken into account. |
| 179 | * @return |
| 180 | */ |
| 181 | public double getTotalCost(PCMInstance pcmInstance, double interest){ |
| 182 | |
| 183 | //Important: "Read in" the right PCM instance first. |
| 184 | updateCostModel(pcmInstance); |
| 185 | |
| 186 | double operatingCost = 0; |
| 187 | if (interest > 0){ |
| 188 | operatingCost = this.getOperatingCost(pcmInstance)/interest; |
| 189 | } |
| 190 | return this.getInitialCost(pcmInstance) + operatingCost; |
| 191 | } |
| 192 | |
| 193 | private void updateCostModel(PCMInstance pcmInstance) { |
| 194 | |
| 195 | List<Cost> allCosts = this.costModel.getCost(); |
| 196 | |
| 197 | createCostsForReplicas(allCosts, pcmInstance); |
| 198 | |
| 199 | for (Cost cost : allCosts) { |
| 200 | |
| 201 | // fix links between model elements (maybe this is not needed anymore...) |
| 202 | if (cost instanceof ComponentCostPerInstance){ |
| 203 | ((ComponentCostPerInstance) cost).setAllocation(pcmInstance.getAllocation()); |
| 204 | } else if (VariableProcessingResourceCost.class.isInstance(cost)) { |
| 205 | |
| 206 | VariableProcessingResourceCost varCost = (VariableProcessingResourceCost)cost; |
| 207 | |
| 208 | ProcessingResourceSpecification old_prs = ((VariableProcessingResourceCost) cost) |
| 209 | .getProcessingresourcespecification(); |
| 210 | ResourceContainer old_rc = (ResourceContainer) old_prs |
| 211 | .eContainer(); |
| 212 | ProcessingResourceType ars = old_prs |
| 213 | .getActiveResourceType_ActiveResourceSpecification(); |
| 214 | |
| 215 | List<ResourceContainer> all_new_rcs = pcmInstance.getResourceEnvironment() |
| 216 | .getResourceContainer_ResourceEnvironment(); |
| 217 | |
| 218 | for (ResourceContainer resourceContainer : all_new_rcs) { |
| 219 | |
| 220 | if (resourceContainer.getId().equals(old_rc.getId())) { |
| 221 | |
| 222 | List<ProcessingResourceSpecification> new_resources = resourceContainer |
| 223 | .getActiveResourceSpecifications_ResourceContainer(); |
| 224 | |
| 225 | boolean resourceTypeFound = false; |
| 226 | |
| 227 | for (ProcessingResourceSpecification new_prs : new_resources) { |
| 228 | |
| 229 | if (new_prs |
| 230 | .getActiveResourceType_ActiveResourceSpecification() |
| 231 | .getId() |
| 232 | .equals(ars.getId())) { |
| 233 | if (!resourceTypeFound){ |
| 234 | //Reset the processing rate with the first matching one found |
| 235 | varCost.setProcessingresourcespecification(new_prs); |
| 236 | resourceTypeFound = true; |
| 237 | } else { |
| 238 | throw new RuntimeException("There are two processing resources with the same resource type within one resource container, this cannot be handled by the optimisation yet. Please change your model."); |
| 239 | } |
| 240 | } |
| 241 | } |
| 242 | break; |
| 243 | } |
| 244 | |
| 245 | /* |
| 246 | * Resource resource = prs.eResource(); if (resource != |
| 247 | * null){ URI oldURI = resource.getURI(); |
| 248 | * resource.setURI(resEnvFileURI); } else { |
| 249 | * System.out.println |
| 250 | * ("Resource of ProcessingResourceSpecification " |
| 251 | * +prs.toString()+" has a null eResource!"); } |
| 252 | */ |
| 253 | } |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | } |
| 258 | |
| 259 | /** |
| 260 | * FIXME: this should be more elegantly handled by separating a resource repository with costs specification from |
| 261 | * the actually used resources |
| 262 | * @param allCosts |
| 263 | * @param pcmInstance |
| 264 | */ |
| 265 | private void createCostsForReplicas(List<Cost> allCosts, |
| 266 | PCMInstance pcmInstance) { |
| 267 | |
| 268 | List<ResourceContainer> containers = pcmInstance.getResourceEnvironment().getResourceContainer_ResourceEnvironment(); |
| 269 | List<Cost> replicaCosts = new ArrayList<Cost>(); |
| 270 | |
| 271 | // also remove old replica costs from previous candidates |
| 272 | List<Cost> oldReplicaCosts = new ArrayList<Cost>(); |
| 273 | |
| 274 | for (Cost anyCost : allCosts) { |
| 275 | |
| 276 | // iterate through costs, look at all VariableProcessingResourceCost or FixedProcessingResourceCost and in particular at their resourcecontainer. |
| 277 | ResourceContainer originalContainer = null; |
| 278 | ProcessingResourceType procResourceType = null; |
| 279 | ProcessingResourceCost cost = null; |
| 280 | if (anyCost instanceof ProcessingResourceCost){ |
| 281 | cost = ((ProcessingResourceCost)anyCost); |
| 282 | originalContainer = cost.getProcessingresourcespecification().getResourceContainer_ProcessingResourceSpecification(); |
| 283 | procResourceType = cost.getProcessingresourcespecification().getActiveResourceType_ActiveResourceSpecification(); |
| 284 | } else { |
| 285 | // look at next cost model element |
| 286 | continue; |
| 287 | } |
| 288 | |
| 289 | // check if this is a cost model element for a replica, if yes delete it if its server is no longer in the resource environment |
| 290 | if (originalContainer.getEntityName().contains("Replica") && !containers.contains(originalContainer)){ |
| 291 | oldReplicaCosts.add(cost); |
| 292 | } |
| 293 | |
| 294 | // find replicated servers and their original |
| 295 | for (ResourceContainer resourceContainer : containers) { |
| 296 | if (resourceContainer.getEntityName().contains("Replica") && resourceContainer.getId().contains(originalContainer.getId())){ |
| 297 | // resourceContainer is a replica of originalResourceContainer |
| 298 | |
| 299 | // check if there already is a cost model element for the replica. If not, create a new one. |
| 300 | boolean replicaAlreadyAnnotated = false; |
| 301 | for (Cost existingCost : allCosts) { |
| 302 | if (existingCost instanceof ProcessingResourceCost){ |
| 303 | ProcessingResourceCost existingProcRateCost = (ProcessingResourceCost)existingCost; |
| 304 | if (existingProcRateCost.getProcessingresourcespecification().getResourceContainer_ProcessingResourceSpecification().getId() |
| 305 | .equals(resourceContainer.getId())){ |
| 306 | // there already is a cost model element annotating this replica, so continue; |
| 307 | replicaAlreadyAnnotated = true; |
| 308 | break; // inner for loop |
| 309 | } |
| 310 | } |
| 311 | } |
| 312 | if (replicaAlreadyAnnotated){ |
| 313 | continue; |
| 314 | } |
| 315 | |
| 316 | // get the processing resource spec that corresponds to the annotated one |
| 317 | ProcessingResourceSpecification replicaProcSpec = null; |
| 318 | for (ProcessingResourceSpecification procRes : resourceContainer.getActiveResourceSpecifications_ResourceContainer()) { |
| 319 | if (procRes.getActiveResourceType_ActiveResourceSpecification().getId().equals(procResourceType.getId())){ |
| 320 | replicaProcSpec = procRes; |
| 321 | break; |
| 322 | } |
| 323 | } |
| 324 | if (replicaProcSpec == null){ |
| 325 | logger.warn("Could not find processing resource type "+procResourceType.getEntityName()+" in container "+resourceContainer.getEntityName()+", assuming that there are no costs for it in this replica"); |
| 326 | return; |
| 327 | } |
| 328 | |
| 329 | // replicate cost element, too. |
| 330 | ProcessingResourceCost replicaCost = (ProcessingResourceCost)EcoreUtil.copy(cost); |
| 331 | replicaCost.setProcessingresourcespecification(replicaProcSpec); |
| 332 | replicaCosts.add(replicaCost); |
| 333 | } |
| 334 | } |
| 335 | } |
| 336 | allCosts.removeAll(oldReplicaCosts); |
| 337 | allCosts.addAll(replicaCosts); |
| 338 | } |
| 339 | |
| 340 | |
| 341 | |
| 342 | @Override |
| 343 | public void analyse(PCMPhenotype pheno, IProgressMonitor monitor) |
| 344 | throws CoreException, UserCanceledException, JobFailedException, |
| 345 | AnalysisFailedException { |
| 346 | PCMInstance pcm = pheno.getPCMInstance(); |
| 347 | this.previousCostResults.put(pheno.getNumericID(), new CostAnalysisResult(getTotalCost(pcm, 0), pcm)); |
| 348 | CostUtil.getInstance().resetCache(); |
| 349 | } |
| 350 | |
| 351 | @Override |
| 352 | public QualityAttribute getQualityAttribute() throws CoreException { |
| 353 | //return DSEConstantsContainer.COST_QUALITY; |
| 354 | return costQualityAttribute.getQualityAttribute(); |
| 355 | } |
| 356 | |
| 357 | @Override |
| 358 | public void initialise(DSEWorkflowConfiguration configuration) throws CoreException { |
| 359 | |
| 360 | CostRepository costs = getCostModel(configuration); |
| 361 | this.costModel = costs; |
| 362 | |
| 363 | initialiseCriteria(configuration); |
| 364 | } |
| 365 | |
| 366 | |
| 367 | private void initialiseCriteria(DSEWorkflowConfiguration configuration) throws CoreException{ |
| 368 | |
| 369 | PCMInstance pcmInstance = getPCMInstance(); |
| 370 | UsageModel usageModel = pcmInstance.getUsageModel(); |
| 371 | |
| 372 | PCMDeclarationsReader reader = new PCMDeclarationsReader( |
| 373 | configuration.getRawConfiguration().getAttribute("qmlDefinitionFile", "")); |
| 374 | |
| 375 | List<Dimension> dimensions = this.costQualityAttribute.getDimensions(); |
| 376 | |
| 377 | List<EvaluationAspectWithContext> costAspects = new ArrayList<EvaluationAspectWithContext>(6); |
| 378 | for (Dimension dimension : dimensions) { |
| 379 | costAspects.addAll(reader.getDimensionConstraintContextsForUsageModel(usageModel, dimension.getId())); |
| 380 | costAspects.addAll(reader.getDimensionObjectiveContextsForUsageModel(usageModel, dimension.getId())); |
| 381 | } |
| 382 | |
| 383 | |
| 384 | //Check constraint aspects and create Constraint-Objects for every Aspect |
| 385 | for (Iterator<EvaluationAspectWithContext> iterator = costAspects.iterator(); iterator.hasNext();) { |
| 386 | EvaluationAspectWithContext aspectContext = iterator |
| 387 | .next(); |
| 388 | |
| 389 | if(aspectContext.getRequirement() instanceof UsageScenarioRequirement) { |
| 390 | |
| 391 | //Handle possible aspects here |
| 392 | if (canEvaluateAspect(aspectContext.getEvaluationAspect(), aspectContext.getDimension())) { |
| 393 | |
| 394 | if(aspectContext.getCriterion() instanceof de.uka.ipd.sdq.dsexplore.qml.contract.QMLContract.Constraint) { |
| 395 | Constraint c = reader.translateEvalAspectToInfeasibilityConstraint(aspectContext, new InfeasibilityConstraintBuilder()); |
| 396 | constraints.add(c); |
| 397 | constraintToAspect.put(c, aspectContext); |
| 398 | } else { |
| 399 | //instanceof Objective |
| 400 | Objective o = reader.translateEvalAspectToObjective(this.getQualityAttribute().getName(), aspectContext, new ObjectiveBuilder()); |
| 401 | objectives.add(o); |
| 402 | objectiveToAspect.put(o, aspectContext); |
| 403 | |
| 404 | Constraint c = reader.translateEvalAspectToSatisfactionConstraint(aspectContext, o, new SatisfactionConstraintBuilder()); |
| 405 | constraints.add(c); |
| 406 | constraintToAspect.put(c, aspectContext); |
| 407 | } |
| 408 | } else { |
| 409 | //XXX: This should never be the case if the optimization is started with the LaunchConfig the aspect is checked there as well |
| 410 | throw new RuntimeException("Evaluation aspect not supported("+aspectContext.getEvaluationAspect()+")!"); |
| 411 | } |
| 412 | |
| 413 | |
| 414 | } else { |
| 415 | throw new RuntimeException("Unsupported Requirement!"); |
| 416 | } |
| 417 | |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | private boolean canEvaluateAspect(EvaluationAspect aspect, Dimension dimension){ |
| 422 | return costQualityAttribute.canEvaluateAspectForDimension(aspect, dimension); |
| 423 | } |
| 424 | |
| 425 | //MOVED to PCMDeclarationsReader |
| 426 | // private Objective translateEvalAspectToObjective(EvaluationAspectWithContext aspect) { |
| 427 | // //Make sure, the aspect IS an objective |
| 428 | // try { |
| 429 | // if(aspect.getDimension().getType().getRelationSemantics().getRelSem() == EnumRelationSemantics.DECREASING) { |
| 430 | // return new Objective(this.getQualityAttribute(), Objective.Sign.MIN); |
| 431 | // } else { |
| 432 | // //INCREASING |
| 433 | // return new Objective(this.getQualityAttribute(), Objective.Sign.MAX); |
| 434 | // } |
| 435 | // } catch (CoreException e) { |
| 436 | // e.printStackTrace(); |
| 437 | // throw new RuntimeException("Could not get cost quality attribute!"); |
| 438 | // } |
| 439 | // } |
| 440 | |
| 441 | |
| 442 | /** |
| 443 | * returns a cost model or throws an exception. |
| 444 | * @param configuration.getRawConfiguration() |
| 445 | * @return a CostRepository which is not null |
| 446 | * @throws CoreException if the model could not be loaded. |
| 447 | */ |
| 448 | private CostRepository getCostModel(DSEWorkflowConfiguration configuration) throws CoreException { |
| 449 | String costModelFileName = configuration.getRawConfiguration().getAttribute(DSEConstantsContainer.COST_FILE, ""); |
| 450 | CostRepository cr = (CostRepository)EMFHelper.loadFromXMIFile(costModelFileName); |
| 451 | if (cr == null){ |
| 452 | throw new CoreException(new Status(Status.ERROR, "de.uka.ipd.sdq.dsexplore", 0, "Cost model "+costModelFileName+" could not be loaded.", null)); |
| 453 | } |
| 454 | return cr; |
| 455 | } |
| 456 | |
| 457 | private PCMInstance getPCMInstance(){ |
| 458 | return new PCMInstance((PCMResourceSetPartition)this.blackboard.getPartition(LoadPCMModelsIntoBlackboardJob.PCM_MODELS_PARTITION_ID)); |
| 459 | } |
| 460 | |
| 461 | @Override |
| 462 | public boolean hasStatisticResults() throws CoreException { |
| 463 | return false; |
| 464 | } |
| 465 | |
| 466 | // @Override |
| 467 | // public List<Objective> getObjectives() throws CoreException { |
| 468 | // List<Objective> objectives = new ArrayList<Objective>(1); |
| 469 | // Objective o = new Objective(this.getQualityAttribute(), Objective.Sign.MIN); |
| 470 | // objectives.add(o); |
| 471 | // |
| 472 | // return objectives; |
| 473 | // } |
| 474 | |
| 475 | @Override |
| 476 | public List<Criterion> getCriterions() throws CoreException { |
| 477 | List<Criterion> criterions = new ArrayList<Criterion>(); |
| 478 | |
| 479 | //Objective o = new Objective(this.getQualityAttribute(), Objective.Sign.MIN); |
| 480 | criterions.addAll(objectives); |
| 481 | |
| 482 | criterions.addAll(constraints); |
| 483 | |
| 484 | return criterions; |
| 485 | } |
| 486 | |
| 487 | @Override |
| 488 | public IAnalysisResult retrieveResultsFor(PCMPhenotype pheno, Criterion criterion) |
| 489 | throws CoreException, AnalysisFailedException { |
| 490 | //It is always the cost value, i.e. objective and constraint always have to refer to the SimpleValue (-> no statistical requirements atm) |
| 491 | //If more possible aspects are added, the criterion needs to be examined here |
| 492 | |
| 493 | return this.previousCostResults.get(pheno.getNumericID()); |
| 494 | } |
| 495 | |
| 496 | @Override |
| 497 | public boolean hasObjectivePerUsageScenario() throws CoreException { |
| 498 | return false; |
| 499 | } |
| 500 | |
| 501 | |
| 502 | @Override |
| 503 | public void setBlackboard(MDSDBlackboard blackboard) { |
| 504 | this.blackboard = blackboard; |
| 505 | } |
| 506 | |
| 507 | } |