| 1 | package de.uka.ipd.sdq.dsexplore.opt4j.representation; |
| 2 | |
| 3 | |
| 4 | import java.util.ArrayList; |
| 5 | import java.util.List; |
| 6 | |
| 7 | import org.eclipse.core.runtime.CoreException; |
| 8 | import org.eclipse.core.runtime.Status; |
| 9 | import org.eclipse.emf.ecore.EObject; |
| 10 | import org.eclipse.emf.ecore.resource.ResourceSet; |
| 11 | import org.eclipse.emf.ecore.util.EcoreUtil; |
| 12 | |
| 13 | import de.uka.ipd.sdq.dsexplore.designdecisions.alternativecomponents.AlternativeComponent; |
| 14 | import de.uka.ipd.sdq.dsexplore.exception.ChoiceOutOfBoundsException; |
| 15 | import de.uka.ipd.sdq.dsexplore.helper.DegreeOfFreedomHelper; |
| 16 | import de.uka.ipd.sdq.dsexplore.helper.EMFHelper; |
| 17 | import de.uka.ipd.sdq.dsexplore.helper.FixDesignDecisionReferenceSwitch; |
| 18 | import de.uka.ipd.sdq.dsexplore.launch.DSEWorkflowConfiguration; |
| 19 | import de.uka.ipd.sdq.dsexplore.opt4j.genotype.DesignDecisionGenotype; |
| 20 | import de.uka.ipd.sdq.dsexplore.opt4j.start.Opt4JStarter; |
| 21 | import de.uka.ipd.sdq.pcm.allocation.AllocationContext; |
| 22 | import de.uka.ipd.sdq.pcm.core.composition.AssemblyContext; |
| 23 | import de.uka.ipd.sdq.pcm.core.entity.Entity; |
| 24 | import de.uka.ipd.sdq.pcm.cost.helper.CostUtil; |
| 25 | import de.uka.ipd.sdq.pcm.designdecision.AllocationDegree; |
| 26 | import de.uka.ipd.sdq.pcm.designdecision.AssembledComponentDegree; |
| 27 | import de.uka.ipd.sdq.pcm.designdecision.CapacityDegree; |
| 28 | import de.uka.ipd.sdq.pcm.designdecision.ContinousRangeChoice; |
| 29 | import de.uka.ipd.sdq.pcm.designdecision.ContinuousProcessingRateDegree; |
| 30 | import de.uka.ipd.sdq.pcm.designdecision.ContinuousRangeDegree; |
| 31 | import de.uka.ipd.sdq.pcm.designdecision.DecisionSpace; |
| 32 | import de.uka.ipd.sdq.pcm.designdecision.DegreeOfFreedomInstance; |
| 33 | import de.uka.ipd.sdq.pcm.designdecision.DiscreteDegree; |
| 34 | import de.uka.ipd.sdq.pcm.designdecision.DiscreteProcessingRateDegree; |
| 35 | import de.uka.ipd.sdq.pcm.designdecision.DiscreteRangeChoice; |
| 36 | import de.uka.ipd.sdq.pcm.designdecision.DiscreteRangeDegree; |
| 37 | import de.uka.ipd.sdq.pcm.designdecision.ClassChoice; |
| 38 | import de.uka.ipd.sdq.pcm.designdecision.ClassDegree; |
| 39 | import de.uka.ipd.sdq.pcm.designdecision.NumberOfCoresDegree; |
| 40 | import de.uka.ipd.sdq.pcm.designdecision.ProcessingResourceDegree; |
| 41 | import de.uka.ipd.sdq.pcm.designdecision.ResourceContainerReplicationDegree; |
| 42 | import de.uka.ipd.sdq.pcm.designdecision.SchedulingPolicyChoice; |
| 43 | import de.uka.ipd.sdq.pcm.designdecision.SchedulingPolicyDegree; |
| 44 | import de.uka.ipd.sdq.pcm.designdecision.designdecisionFactory; |
| 45 | import de.uka.ipd.sdq.pcm.designdecision.impl.designdecisionFactoryImpl; |
| 46 | import de.uka.ipd.sdq.pcm.repository.BasicComponent; |
| 47 | import de.uka.ipd.sdq.pcm.repository.PassiveResource; |
| 48 | import de.uka.ipd.sdq.pcm.repository.Repository; |
| 49 | import de.uka.ipd.sdq.pcm.repository.RepositoryComponent; |
| 50 | import de.uka.ipd.sdq.pcm.resourceenvironment.ProcessingResourceSpecification; |
| 51 | import de.uka.ipd.sdq.pcm.resourceenvironment.ResourceContainer; |
| 52 | import de.uka.ipd.sdq.pcm.resourceenvironment.SchedulingPolicy; |
| 53 | import de.uka.ipd.sdq.pcm.resourcetype.ProcessingResourceType; |
| 54 | import de.uka.ipd.sdq.pcmsolver.models.PCMInstance; |
| 55 | |
| 56 | /** |
| 57 | * The {@link DSEProblem} defines the problem. Therefore, it reads in the |
| 58 | * current PCM instances and identifies the available design options to define |
| 59 | * the design space. |
| 60 | * |
| 61 | * @author Anne |
| 62 | * |
| 63 | */ |
| 64 | public class DSEProblem { |
| 65 | |
| 66 | /** |
| 67 | * Is changed during the evaluation, as the decisions refer to it. |
| 68 | */ |
| 69 | private PCMInstance initialInstance; |
| 70 | |
| 71 | private DecisionSpace pcmProblem; |
| 72 | private designdecisionFactory designDecisionFactory; |
| 73 | |
| 74 | |
| 75 | private List<DesignDecisionGenotype> initialGenotypeList = null; |
| 76 | |
| 77 | private DSEWorkflowConfiguration dseConfig; |
| 78 | |
| 79 | private DesignDecisionGenotype initialGenotype; |
| 80 | |
| 81 | |
| 82 | /** |
| 83 | * @param pcmInstance |
| 84 | * @throws CoreException |
| 85 | */ |
| 86 | public DSEProblem(DSEWorkflowConfiguration dseConfig, PCMInstance pcmInstance) throws CoreException{ |
| 87 | this.dseConfig = dseConfig; |
| 88 | |
| 89 | boolean newProblem = dseConfig.isNewProblem(); |
| 90 | this.initialInstance = pcmInstance; |
| 91 | |
| 92 | this.designDecisionFactory = designdecisionFactoryImpl.init(); |
| 93 | |
| 94 | if (newProblem){ |
| 95 | initialiseProblem(); |
| 96 | } else { |
| 97 | //Alternative Component has to be called to create the mapping for all AssemblyContexts and their roles, |
| 98 | //in order to be able to exchange implementations later. The design decisions calculated here are not kept, only |
| 99 | //the mapping inside AlternativeComponent.getInstance() |
| 100 | AlternativeComponent.getInstance().generateDesignDecisions(pcmInstance); |
| 101 | DecisionSpace problem = loadProblem(); |
| 102 | this.pcmProblem = problem; |
| 103 | this.initialGenotypeList = determineInitialGenotype(problem); |
| 104 | } |
| 105 | |
| 106 | //TODO: mapping of design decisions to bounds. |
| 107 | /* |
| 108 | * Meta model design decisions?? Each design decision would know its |
| 109 | * bounds and the annotated element or more specific the annotated |
| 110 | * property of this element that is exactly the value range than the |
| 111 | * bound of the decision. |
| 112 | * |
| 113 | * But what about the genotype? With a ordered list |
| 114 | * of design decisions, I can map the genotype entry to a design |
| 115 | * decisions. Better group in integer and double, then. -> require CompositeGenotype |
| 116 | * |
| 117 | * Also meta-model the genotype as a choice within the range. |
| 118 | */ |
| 119 | } |
| 120 | |
| 121 | private DecisionSpace loadProblem() throws CoreException { |
| 122 | String filename = this.dseConfig.getDesignDecisionFileName(); |
| 123 | return this.loadProblem(filename); |
| 124 | } |
| 125 | |
| 126 | private DecisionSpace loadProblem(String filename) throws CoreException{ |
| 127 | ResourceSet pcmResourceSet = this.initialInstance.getAllocation().eResource().getResourceSet(); |
| 128 | |
| 129 | EObject eproblem = EMFHelper.loadFromXMIFile(filename, pcmResourceSet); |
| 130 | if (!(eproblem instanceof DecisionSpace)){ |
| 131 | throw new CoreException(new Status(Status.ERROR, "de.uka.ipd.sdq.dsexplore", 0, "Cannot read design decision file "+filename+". Please create a new one.", null)); |
| 132 | } |
| 133 | DecisionSpace problem = (DecisionSpace)eproblem; |
| 134 | //Adjust references with the right loaded model objects in memory? |
| 135 | |
| 136 | FixDesignDecisionReferenceSwitch visitor = new FixDesignDecisionReferenceSwitch(this.initialInstance); |
| 137 | visitor.doSwitch(problem); |
| 138 | |
| 139 | EcoreUtil.resolveAll(eproblem); |
| 140 | |
| 141 | return problem; |
| 142 | } |
| 143 | |
| 144 | |
| 145 | private List<DesignDecisionGenotype> determineInitialGenotype(DecisionSpace problem) { |
| 146 | DesignDecisionGenotype genotype = new DesignDecisionGenotype(); |
| 147 | |
| 148 | for (DegreeOfFreedomInstance dd : problem.getDegreesOfFreedom()) { |
| 149 | if (dd instanceof ClassDegree){ |
| 150 | |
| 151 | ClassChoice choice = this.designDecisionFactory.createClassChoice(); |
| 152 | choice.setDegreeOfFreedomInstance(dd); |
| 153 | |
| 154 | if (dd instanceof AssembledComponentDegree){ |
| 155 | AssembledComponentDegree acd = (AssembledComponentDegree)dd; |
| 156 | AssemblyContext ac = (AssemblyContext)acd.getPrimaryChanged(); |
| 157 | RepositoryComponent rc = ac.getEncapsulatedComponent__AssemblyContext(); |
| 158 | choice.setChosenValue(rc); |
| 159 | } else if (dd instanceof AllocationDegree){ |
| 160 | AllocationDegree ad = (AllocationDegree)dd; |
| 161 | AllocationContext ac = (AllocationContext)ad.getPrimaryChanged(); |
| 162 | ResourceContainer rc = ac.getResourceContainer_AllocationContext(); |
| 163 | choice.setChosenValue(rc); |
| 164 | } else throwUnknownDegreeException(dd); |
| 165 | |
| 166 | //check if entity is in the domain |
| 167 | if (!EMFHelper.contains(((ClassDegree) dd).getClassDesignOptions(), choice.getChosenValue())){ |
| 168 | throw new ChoiceOutOfBoundsException(choice, "Error when determining initial genotype"); |
| 169 | } |
| 170 | |
| 171 | genotype.add(choice); |
| 172 | } else if (dd instanceof ContinuousRangeDegree){ |
| 173 | |
| 174 | ContinousRangeChoice choice = this.designDecisionFactory.createContinousRangeChoice(); |
| 175 | choice.setDegreeOfFreedomInstance(dd); |
| 176 | |
| 177 | if (dd instanceof ContinuousProcessingRateDegree){ |
| 178 | ContinuousProcessingRateDegree prd = (ContinuousProcessingRateDegree)dd; |
| 179 | |
| 180 | ProcessingResourceSpecification rightPrs = getProcessingResourceSpec(prd); |
| 181 | |
| 182 | if (rightPrs != null){ |
| 183 | double rate = CostUtil.getInstance().getDoubleFromSpecification(rightPrs.getProcessingRate_ProcessingResourceSpecification().getSpecification()); |
| 184 | choice.setChosenValue(rate); |
| 185 | } else |
| 186 | throw new RuntimeException("Invalid degree of freedom "+dd.toString()+". The referenced ProcessingResourceType is not available in the given ResourceContainer."); |
| 187 | } else throwUnknownDegreeException(dd); |
| 188 | |
| 189 | genotype.add(choice); |
| 190 | } else if (dd instanceof SchedulingPolicyDegree){ |
| 191 | |
| 192 | SchedulingPolicyChoice schedChoice = this.designDecisionFactory.createSchedulingPolicyChoice(); |
| 193 | schedChoice.setDegreeOfFreedomInstance(dd); |
| 194 | |
| 195 | ProcessingResourceType procType = ((SchedulingPolicyDegree)dd).getProcessingresourcetype(); |
| 196 | ResourceContainer rc = (ResourceContainer)dd.getPrimaryChanged(); |
| 197 | |
| 198 | SchedulingPolicy policy = null; |
| 199 | |
| 200 | for (ProcessingResourceSpecification proc : rc.getActiveResourceSpecifications_ResourceContainer()) { |
| 201 | if (EMFHelper.checkIdentity(proc.getActiveResourceType_ActiveResourceSpecification(),procType)){ |
| 202 | policy = proc.getSchedulingPolicy(); |
| 203 | break; |
| 204 | } |
| 205 | } |
| 206 | if (policy == null){ |
| 207 | throw new RuntimeException("Invalid degree of freedom "+dd.toString()+". The referenced ProcessingResourceType is not available in the given ResourceContainer."); |
| 208 | } |
| 209 | schedChoice.setChosenValue(policy); |
| 210 | genotype.add(schedChoice); |
| 211 | |
| 212 | } else if (dd instanceof DiscreteDegree){ |
| 213 | DiscreteDegree degree = (DiscreteDegree)dd; |
| 214 | |
| 215 | DiscreteRangeChoice choice = this.designDecisionFactory.createDiscreteRangeChoice(); |
| 216 | choice.setDegreeOfFreedomInstance(degree); |
| 217 | |
| 218 | EObject entity = degree.getPrimaryChanged(); |
| 219 | |
| 220 | if (degree instanceof CapacityDegree){ |
| 221 | PassiveResource pr = (PassiveResource)entity; |
| 222 | choice.setChosenValue(Integer.valueOf(pr.getCapacity_PassiveResource().getSpecification())); |
| 223 | } else if (degree instanceof NumberOfCoresDegree) { |
| 224 | ProcessingResourceSpecification prd = getProcessingResourceSpec((ProcessingResourceDegree)degree); |
| 225 | choice.setChosenValue(prd.getNumberOfReplicas()); |
| 226 | } else if (degree instanceof DiscreteProcessingRateDegree){ |
| 227 | |
| 228 | DiscreteProcessingRateDegree prd = (DiscreteProcessingRateDegree)dd; |
| 229 | |
| 230 | ProcessingResourceSpecification rightPrs = getProcessingResourceSpec(prd); |
| 231 | |
| 232 | if (rightPrs != null){ |
| 233 | if (!prd.isLowerBoundIncluded() || !prd.isUpperBoundIncluded()){ |
| 234 | throw new RuntimeException("Only DiscreteProcessingRateDegrees with upper and lower bound included are supported so far, sorry. "); |
| 235 | } |
| 236 | double rate = CostUtil.getInstance().getDoubleFromSpecification(rightPrs.getProcessingRate_ProcessingResourceSpecification().getSpecification()); |
| 237 | double startStep = prd.getFrom(); |
| 238 | double endStep = prd.getTo(); |
| 239 | double stepwidth = (endStep - startStep) / prd.getNumberOfSteps(); |
| 240 | |
| 241 | double chosenStep = (rate - startStep) / stepwidth; |
| 242 | choice.setChosenValue((int)chosenStep); |
| 243 | } else |
| 244 | throw new RuntimeException("Invalid degree of freedom "+dd.toString()+". The referenced ProcessingResourceType is not available in the given ResourceContainer."); |
| 245 | } else if (degree instanceof ResourceContainerReplicationDegree){ |
| 246 | choice.setChosenValue(1); |
| 247 | |
| 248 | } else throwUnknownDegreeException(dd); |
| 249 | genotype.add(choice); |
| 250 | } else throwUnknownDegreeException(dd); |
| 251 | }; |
| 252 | |
| 253 | //determineProcessingRateDecisions(new ArrayList<DesignDecision>(), genotype); |
| 254 | //determineAssembledComponentsDecisions(new ArrayList<DesignDecision>(), genotype); |
| 255 | //determineAllocationDecisions(new ArrayList<DesignDecision>(), genotype); |
| 256 | List<DesignDecisionGenotype> result = new ArrayList<DesignDecisionGenotype>(); |
| 257 | result.add(genotype); |
| 258 | this.initialGenotype = genotype; |
| 259 | return result; |
| 260 | } |
| 261 | |
| 262 | private ProcessingResourceSpecification getProcessingResourceSpec( |
| 263 | ProcessingResourceDegree prd) { |
| 264 | ResourceContainer rc = (ResourceContainer)prd.getPrimaryChanged(); |
| 265 | List<ProcessingResourceSpecification> prsList = rc.getActiveResourceSpecifications_ResourceContainer(); |
| 266 | ProcessingResourceType prt = prd.getProcessingresourcetype(); |
| 267 | |
| 268 | ProcessingResourceSpecification rightPrs = null; |
| 269 | for (ProcessingResourceSpecification prs : prsList) { |
| 270 | if (EMFHelper.checkIdentity(prs.getActiveResourceType_ActiveResourceSpecification(),prt)){ |
| 271 | rightPrs = prs; |
| 272 | break; |
| 273 | } |
| 274 | } |
| 275 | return rightPrs; |
| 276 | } |
| 277 | |
| 278 | |
| 279 | private void throwUnknownDegreeException(DegreeOfFreedomInstance dd) { |
| 280 | throw new RuntimeException("Unknown degree of freedom "+dd.toString()+"."); |
| 281 | } |
| 282 | |
| 283 | /** |
| 284 | * Initialises the degrees of freedoms and at the same time determines the initial genotype. |
| 285 | */ |
| 286 | private void initialiseProblem() { |
| 287 | this.pcmProblem = this.designDecisionFactory.createDecisionSpace(); |
| 288 | List<DegreeOfFreedomInstance> dds = this.pcmProblem.getDegreesOfFreedom(); |
| 289 | //analyse PCM Instance and create design decisions |
| 290 | //TODO: could this be possible with a M2M transformation? |
| 291 | //First, only get design decisions for making resources faster. |
| 292 | this.initialGenotypeList = new ArrayList<DesignDecisionGenotype>(); |
| 293 | DesignDecisionGenotype initialCandidate = new DesignDecisionGenotype(); |
| 294 | determineProcessingRateDecisions(dds,initialCandidate); |
| 295 | //find equivalent components |
| 296 | determineAssembledComponentsDecisions(dds,initialCandidate); |
| 297 | determineAllocationDecisions(dds,initialCandidate); |
| 298 | //Quickfix: Add a Soap or RMI decision. This is not meta modelled. |
| 299 | //determineSOAPOrRMIDecisions(); |
| 300 | determineCapacityDecisions(dds,initialCandidate); |
| 301 | |
| 302 | //TODO: Check if the initial genotype is actually a valid genotype? |
| 303 | //(this may not be the case if the degrees of freedom have been reduced for the optimisation?) |
| 304 | |
| 305 | |
| 306 | this.initialGenotypeList.add(initialCandidate); |
| 307 | |
| 308 | } |
| 309 | |
| 310 | |
| 311 | |
| 312 | /** |
| 313 | * Determine Capacity options based on {@link Repository}. |
| 314 | * Thus, this may detect {@link PassiveResource}s of components that are not used |
| 315 | * in the system. These need to be deleted manually. |
| 316 | * |
| 317 | * Otherwise, I would have to descend in all composed structures to find all {@link BasicComponent}s. |
| 318 | * @param dds |
| 319 | * @param initialCandidate |
| 320 | */ |
| 321 | private void determineCapacityDecisions(List<DegreeOfFreedomInstance> dds, |
| 322 | DesignDecisionGenotype genotype) { |
| 323 | |
| 324 | List<Repository> repositories = this.initialInstance.getRepositories(); |
| 325 | for (Repository repository : repositories) { |
| 326 | List<RepositoryComponent> components = repository.getComponents__Repository(); |
| 327 | for (RepositoryComponent repositoryComponent : components) { |
| 328 | if (repositoryComponent instanceof BasicComponent){ |
| 329 | |
| 330 | BasicComponent basicComponent = (BasicComponent)repositoryComponent; |
| 331 | List<PassiveResource> passiveResources = basicComponent.getPassiveResource_BasicComponent(); |
| 332 | for (PassiveResource passiveResource : passiveResources) { |
| 333 | CapacityDegree capacityDegree = this.designDecisionFactory.createCapacityDegree(); |
| 334 | capacityDegree.setPrimaryChanged(passiveResource); |
| 335 | capacityDegree.setFrom(1); |
| 336 | capacityDegree.setTo(Integer.valueOf(passiveResource.getCapacity_PassiveResource().getSpecification())); |
| 337 | dds.add(capacityDegree); |
| 338 | |
| 339 | DiscreteRangeChoice choice = this.designDecisionFactory.createDiscreteRangeChoice(); |
| 340 | choice.setDegreeOfFreedomInstance(capacityDegree); |
| 341 | choice.setChosenValue(Integer.valueOf(passiveResource.getCapacity_PassiveResource().getSpecification())); |
| 342 | |
| 343 | genotype.add(choice); |
| 344 | } |
| 345 | } |
| 346 | } |
| 347 | } |
| 348 | |
| 349 | } |
| 350 | |
| 351 | /** |
| 352 | * XXX: This is not meta modelled and just a quick fix |
| 353 | * |
| 354 | */ |
| 355 | // private void determineSOAPOrRMIDecisions(List<DesignDecision> dds, DesignDecisionGenotype genotype) { |
| 356 | // |
| 357 | // Configuration connectorConfig = this.initialInstance.getConnectorConfig(); |
| 358 | // FeatureConfig featureConfig = connectorConfig.getDefaultConfig(); |
| 359 | // |
| 360 | // ConnectorConfigDecision cd = this.designDecisionFactory.createConnectorConfigDecision(); |
| 361 | // SoapOrRmi domain = this.designDecisionFactory.createSoapOrRmi(); |
| 362 | // |
| 363 | // cd.setDomain(domain); |
| 364 | // cd.setFeatureconfig(featureConfig); |
| 365 | // |
| 366 | // dds.add(cd); |
| 367 | // |
| 368 | // //0.0 stands for SOAP, 1.0 for RMI |
| 369 | // genotype.add(0.0); |
| 370 | // |
| 371 | // } |
| 372 | |
| 373 | //TODO: change this to two visitors that either create the design decision and initial genotype or just initial genotype. |
| 374 | private void determineAllocationDecisions(List<DegreeOfFreedomInstance> dds, DesignDecisionGenotype genotype) { |
| 375 | List<AllocationContext> acs = this.initialInstance.getAllocation().getAllocationContexts_Allocation(); |
| 376 | List<ResourceContainer> rcs = this.initialInstance.getResourceEnvironment().getResourceContainer_ResourceEnvironment(); |
| 377 | |
| 378 | |
| 379 | |
| 380 | //each allocation context could be allocated on each container. |
| 381 | for (AllocationContext ac : acs) { |
| 382 | AllocationDegree ad = this.designDecisionFactory.createAllocationDegree(); |
| 383 | ad.setPrimaryChanged(ac); |
| 384 | ad.getClassDesignOptions().addAll(rcs); |
| 385 | dds.add(ad); |
| 386 | |
| 387 | ClassChoice choice = this.designDecisionFactory.createClassChoice(); |
| 388 | choice.setDegreeOfFreedomInstance(ad); |
| 389 | choice.setChosenValue(ac.getResourceContainer_AllocationContext()); |
| 390 | |
| 391 | genotype.add(choice); |
| 392 | } |
| 393 | |
| 394 | |
| 395 | |
| 396 | } |
| 397 | |
| 398 | |
| 399 | /** |
| 400 | * Be sure to add one design decision and one gene in the initial genotype at once. The index is important. |
| 401 | * @param genotypeIndex |
| 402 | */ |
| 403 | private void determineAssembledComponentsDecisions(List<DegreeOfFreedomInstance> dds, DesignDecisionGenotype genotype) { |
| 404 | AlternativeComponent ac = AlternativeComponent.getInstance(); |
| 405 | List<AssembledComponentDegree> decisions = ac.generateDesignDecisions(this.initialInstance); |
| 406 | |
| 407 | for (AssembledComponentDegree designDecision : decisions) { |
| 408 | dds.add(designDecision); |
| 409 | RepositoryComponent currentlyAssembledComponent = ((AssemblyContext)designDecision.getPrimaryChanged()).getEncapsulatedComponent__AssemblyContext(); |
| 410 | |
| 411 | ClassChoice choice = this.designDecisionFactory.createClassChoice(); |
| 412 | choice.setDegreeOfFreedomInstance(designDecision); |
| 413 | choice.setChosenValue(currentlyAssembledComponent); |
| 414 | genotype.add(choice); |
| 415 | |
| 416 | } |
| 417 | |
| 418 | } |
| 419 | |
| 420 | /** |
| 421 | * Be sure to add one design decision and one gene in the initial genotype at once. The index is important. |
| 422 | * Creates {@link ContinuousProcessingRateDegree} decisions for each found processing resource. |
| 423 | * |
| 424 | * Also determines {@link SchedulingPolicyDegree}s. |
| 425 | * |
| 426 | * TODO: make configurable to also add {@link DiscreteProcessingRateDegree}s. |
| 427 | */ |
| 428 | private void determineProcessingRateDecisions(List<DegreeOfFreedomInstance> dds, DesignDecisionGenotype genotype) { |
| 429 | List<ResourceContainer> resourceContainers = this.initialInstance.getResourceEnvironment().getResourceContainer_ResourceEnvironment(); |
| 430 | for (ResourceContainer resourceContainer : resourceContainers) { |
| 431 | List<ProcessingResourceSpecification> resources = resourceContainer.getActiveResourceSpecifications_ResourceContainer(); |
| 432 | for (ProcessingResourceSpecification resource : resources) { |
| 433 | |
| 434 | //Create ContinuousProcessingRateDegree |
| 435 | ContinuousProcessingRateDegree decision = this.designDecisionFactory.createContinuousProcessingRateDegree(); |
| 436 | decision.setLowerBoundIncluded(false); |
| 437 | double currentRate = CostUtil.getInstance().getDoubleFromSpecification(resource.getProcessingRate_ProcessingResourceSpecification().getSpecification()); |
| 438 | //XXX initial assumption: the highest possible processingRate is 10 times the current one. |
| 439 | decision.setTo(currentRate * 2.0); |
| 440 | decision.setFrom(currentRate * 0.5); |
| 441 | decision.setPrimaryChanged(resourceContainer); |
| 442 | decision.setProcessingresourcetype(resource.getActiveResourceType_ActiveResourceSpecification()); |
| 443 | dds.add(decision); |
| 444 | |
| 445 | ContinousRangeChoice choice = this.designDecisionFactory.createContinousRangeChoice(); |
| 446 | choice.setDegreeOfFreedomInstance(decision); |
| 447 | choice.setChosenValue(currentRate); |
| 448 | |
| 449 | genotype.add(choice); |
| 450 | |
| 451 | //Create SchedulingPolicyDegree (excluded here, not in default problem, can be modelled manually). |
| 452 | /*SchedulingPolicyDegree schedulingDecision = this.designDecisionFactory.createSchedulingPolicyDegree(); |
| 453 | SchedulingPolicy currentPolicy = resource.getSchedulingPolicy(); |
| 454 | |
| 455 | schedulingDecision.getDomainOfAllowedSchedulingPolicies().add(SchedulingPolicy.FCFS); |
| 456 | schedulingDecision.getDomainOfAllowedSchedulingPolicies().add(SchedulingPolicy.PROCESSOR_SHARING); |
| 457 | schedulingDecision.setPrimaryChanged(resourceContainer); |
| 458 | schedulingDecision.setProcessingresourcetype(resource.getActiveResourceType_ActiveResourceSpecification()); |
| 459 | dds.add(schedulingDecision); |
| 460 | |
| 461 | SchedulingPolicyChoice schedulingChoice = this.designDecisionFactory.createSchedulingPolicyChoice(); |
| 462 | schedulingChoice.setDegreeOfFreedomInstance(schedulingDecision); |
| 463 | schedulingChoice.setChosenValue(currentPolicy); |
| 464 | |
| 465 | genotype.add(schedulingChoice);*/ |
| 466 | |
| 467 | |
| 468 | ; |
| 469 | } |
| 470 | } |
| 471 | } |
| 472 | |
| 473 | |
| 474 | protected DegreeOfFreedomInstance getDesignDecision(int index){ |
| 475 | return this.pcmProblem.getDegreesOfFreedom().get(index); |
| 476 | } |
| 477 | |
| 478 | public List<DegreeOfFreedomInstance> getDesignDecisions(){ |
| 479 | return this.pcmProblem.getDegreesOfFreedom(); |
| 480 | } |
| 481 | |
| 482 | |
| 483 | public PCMInstance getInitialInstance() { |
| 484 | return this.initialInstance; |
| 485 | } |
| 486 | |
| 487 | public DesignDecisionGenotype getGenotypeOfInitialPCMInstance(){ |
| 488 | return this.initialGenotype; |
| 489 | } |
| 490 | |
| 491 | protected List<DesignDecisionGenotype> getInitialGenotypeList(){ |
| 492 | return this.initialGenotypeList; |
| 493 | } |
| 494 | |
| 495 | |
| 496 | public void saveProblem() { |
| 497 | |
| 498 | String filename = this.dseConfig.getDesignDecisionFileName(); |
| 499 | |
| 500 | // resourceSet.getPackageRegistry().put |
| 501 | // (designdecisionPackage.eNS_URI, |
| 502 | // designdecisionPackage.eINSTANCE); |
| 503 | |
| 504 | EMFHelper.saveToXMIFile(this.pcmProblem, filename); |
| 505 | |
| 506 | } |
| 507 | |
| 508 | |
| 509 | @Override |
| 510 | public String toString(){ |
| 511 | |
| 512 | String result = ""; |
| 513 | |
| 514 | List<DegreeOfFreedomInstance> decisions = this.pcmProblem.getDegreesOfFreedom(); |
| 515 | for (DegreeOfFreedomInstance designDecision : decisions) { |
| 516 | result += DegreeOfFreedomHelper.getDegreeDescription(designDecision)+";"; |
| 517 | } |
| 518 | |
| 519 | return result; |
| 520 | |
| 521 | } |
| 522 | |
| 523 | |
| 524 | public void setInitialPopulation(List<DesignDecisionGenotype> population) throws CoreException{ |
| 525 | this.initialGenotypeList = population; |
| 526 | Opt4JStarter.getDSECreator().setNumberOfNotEvaluatedPredefinedOnes(population.size()); |
| 527 | } |
| 528 | |
| 529 | /** |
| 530 | * Returns the degree of freedom of the type (or subtype) that has the given |
| 531 | * entity as the changeableEntity. |
| 532 | * @param entity |
| 533 | * @param degreeClass |
| 534 | * @return The matching DegreeOfFreedomInstance from this problem. |
| 535 | */ |
| 536 | public DegreeOfFreedomInstance getDegree(Entity entity, Class<? extends DegreeOfFreedomInstance> degreeClass){ |
| 537 | List<DegreeOfFreedomInstance> degrees = this.pcmProblem.getDegreesOfFreedom(); |
| 538 | for (DegreeOfFreedomInstance DegreeOfFreedomInstance : degrees) { |
| 539 | |
| 540 | if (degreeClass.isInstance(DegreeOfFreedomInstance) && DegreeOfFreedomInstance.getPrimaryChanged().equals(entity)){ |
| 541 | return DegreeOfFreedomInstance; |
| 542 | } |
| 543 | } |
| 544 | return null; |
| 545 | } |
| 546 | |
| 547 | public DecisionSpace getEMFProblem(){ |
| 548 | return this.pcmProblem; |
| 549 | } |
| 550 | |
| 551 | |
| 552 | } |