| 1 | /** |
| 2 | * |
| 3 | */ |
| 4 | package de.uka.ipd.sdq.reliability.solver.sensitivity; |
| 5 | |
| 6 | import java.util.ArrayList; |
| 7 | import java.util.List; |
| 8 | |
| 9 | import org.apache.log4j.Logger; |
| 10 | import org.eclipse.emf.common.util.EList; |
| 11 | |
| 12 | import de.uka.ipd.sdq.pcm.reliability.SoftwareInducedFailureType; |
| 13 | import de.uka.ipd.sdq.reliability.core.helper.EMFHelper; |
| 14 | import de.uka.ipd.sdq.sensitivity.CombinedSensitivityParameter; |
| 15 | import de.uka.ipd.sdq.sensitivity.CommunicationLinkReliabilityParameter; |
| 16 | import de.uka.ipd.sdq.sensitivity.ComponentReliabilityParameter; |
| 17 | import de.uka.ipd.sdq.sensitivity.DoubleParameterVariation; |
| 18 | import de.uka.ipd.sdq.sensitivity.HardwareMTTFParameter; |
| 19 | import de.uka.ipd.sdq.sensitivity.HardwareMTTRParameter; |
| 20 | import de.uka.ipd.sdq.sensitivity.InternalActionReliabilityParameter; |
| 21 | import de.uka.ipd.sdq.sensitivity.NetworkReliabilityParameter; |
| 22 | import de.uka.ipd.sdq.sensitivity.ProbabilisticBranchParameter; |
| 23 | import de.uka.ipd.sdq.sensitivity.ResourceMTTFParameter; |
| 24 | import de.uka.ipd.sdq.sensitivity.ResourceMTTRParameter; |
| 25 | import de.uka.ipd.sdq.sensitivity.SensitivityConfiguration; |
| 26 | import de.uka.ipd.sdq.sensitivity.SensitivityPackage; |
| 27 | import de.uka.ipd.sdq.sensitivity.SensitivityParameter; |
| 28 | import de.uka.ipd.sdq.sensitivity.SensitivityParameterVariation; |
| 29 | import de.uka.ipd.sdq.sensitivity.SensitivityResultSpecification; |
| 30 | import de.uka.ipd.sdq.sensitivity.SoftwareFailureTypesParameter; |
| 31 | import de.uka.ipd.sdq.sensitivity.SoftwareReliabilityParameter; |
| 32 | import de.uka.ipd.sdq.sensitivity.StringParameterSequence; |
| 33 | import de.uka.ipd.sdq.sensitivity.UsageBranchParameter; |
| 34 | import de.uka.ipd.sdq.sensitivity.VariableUsageParameter; |
| 35 | |
| 36 | /** |
| 37 | * Creates sensitivity information from a given input sensitivity model. |
| 38 | * |
| 39 | * @author brosch |
| 40 | * |
| 41 | */ |
| 42 | public class MarkovSensitivityBuilder { |
| 43 | |
| 44 | /** |
| 45 | * A logger to give detailed information about the PCM instance traversal. |
| 46 | */ |
| 47 | private static Logger logger = Logger |
| 48 | .getLogger(MarkovSensitivityBuilder.class.getName()); |
| 49 | |
| 50 | /** |
| 51 | * Creates the sensitivity information. |
| 52 | * |
| 53 | * @param sensitivityModelFileName |
| 54 | * the sensitivity model file name |
| 55 | * @param sensitivityLogFileName |
| 56 | * the sensitivity log file name |
| 57 | * @return |
| 58 | */ |
| 59 | public MarkovSensitivity buildSensitivity( |
| 60 | final String sensitivityModelFileName, |
| 61 | final String sensitivityLogFileName) { |
| 62 | SensitivityConfiguration sensitivityConfig = (SensitivityConfiguration) EMFHelper |
| 63 | .loadFromXMIFile(sensitivityModelFileName, |
| 64 | SensitivityPackage.eNS_URI, |
| 65 | SensitivityPackage.eINSTANCE); |
| 66 | return createMarkovSensitivity( |
| 67 | sensitivityConfig |
| 68 | .getSensitivityParameters__SensitivityConfiguration(), |
| 69 | sensitivityConfig |
| 70 | .getSensitivityResultSpecifications__SensitivityConfiguration(), |
| 71 | sensitivityLogFileName); |
| 72 | } |
| 73 | |
| 74 | /** |
| 75 | * |
| 76 | * @param parameter |
| 77 | * @return |
| 78 | */ |
| 79 | private ComponentSensitivity createComponentSensitivity( |
| 80 | final ComponentReliabilityParameter parameter) { |
| 81 | SensitivityParameterVariation variation = parameter |
| 82 | .getSensitivityParameterVariation__SingleSensitivityParameter(); |
| 83 | if (variation instanceof DoubleParameterVariation) { |
| 84 | return new ComponentSensitivity(parameter.getEntityName(), |
| 85 | parameter |
| 86 | .getBasicComponent__ComponentReliabilityParameter() |
| 87 | .getId(), (DoubleParameterVariation) variation); |
| 88 | } else { |
| 89 | logger.error("Parameter variation type \"" |
| 90 | + variation.eClass().toString() |
| 91 | + "\" not supported for parameter type \"" |
| 92 | + parameter.eClass().toString() + "\"."); |
| 93 | return null; |
| 94 | } |
| 95 | } |
| 96 | |
| 97 | /** |
| 98 | * |
| 99 | * @param parameter |
| 100 | * @return |
| 101 | */ |
| 102 | private FailureTypeSensitivity createFailureTypeSensitivity( |
| 103 | final SoftwareFailureTypesParameter parameter) { |
| 104 | SensitivityParameterVariation variation = parameter |
| 105 | .getSensitivityParameterVariation__SingleSensitivityParameter(); |
| 106 | if (variation instanceof DoubleParameterVariation) { |
| 107 | ArrayList<String> failureTypeIds = new ArrayList<String>(); |
| 108 | for (SoftwareInducedFailureType failureType : parameter |
| 109 | .getSoftwareInducedFailureTypes__SoftwareFailureTypeReliabilityParameter()) { |
| 110 | failureTypeIds.add(failureType.getId()); |
| 111 | } |
| 112 | return new FailureTypeSensitivity(parameter.getEntityName(), |
| 113 | failureTypeIds, (DoubleParameterVariation) variation); |
| 114 | } else { |
| 115 | logger.error("Parameter variation type \"" |
| 116 | + variation.eClass().toString() |
| 117 | + "\" not supported for parameter type \"" |
| 118 | + parameter.eClass().toString() + "\"."); |
| 119 | return null; |
| 120 | } |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * |
| 125 | * @param parameter |
| 126 | * @return |
| 127 | */ |
| 128 | private InternalActionSensitivity createInternalActionSensitivity( |
| 129 | final InternalActionReliabilityParameter parameter) { |
| 130 | SensitivityParameterVariation variation = parameter |
| 131 | .getSensitivityParameterVariation__SingleSensitivityParameter(); |
| 132 | if (variation instanceof DoubleParameterVariation) { |
| 133 | return new InternalActionSensitivity( |
| 134 | parameter.getEntityName(), |
| 135 | parameter |
| 136 | .getInternalAction__InternalActionReliabilityParameter() |
| 137 | .getId(), |
| 138 | parameter |
| 139 | .getSoftwareInducedFailureType__InternalActionReliabilityParameter() |
| 140 | .getId(), (DoubleParameterVariation) variation); |
| 141 | } else { |
| 142 | logger.error("Parameter variation type \"" |
| 143 | + variation.eClass().toString() |
| 144 | + "\" not supported for parameter type \"" |
| 145 | + parameter.eClass().toString() + "\"."); |
| 146 | return null; |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * Creates a Markov sensitivity object according to the given parameter. |
| 152 | * |
| 153 | * @param parameter |
| 154 | * the sensitivity parameter |
| 155 | * @param resultSpecifications |
| 156 | * the list of result specifications |
| 157 | * @param logFileName |
| 158 | * the sensitivity log file name |
| 159 | * @return the resulting Markov sensitivity object |
| 160 | */ |
| 161 | private MarkovSensitivity createMarkovSensitivity( |
| 162 | final SensitivityParameter parameter, |
| 163 | EList<SensitivityResultSpecification> resultSpecifications, |
| 164 | final String logFileName) { |
| 165 | MarkovSensitivity result = null; |
| 166 | if (parameter instanceof CombinedSensitivityParameter) { |
| 167 | result = createMultiSensitivity( |
| 168 | (CombinedSensitivityParameter) parameter, |
| 169 | resultSpecifications, logFileName); |
| 170 | } else if (parameter instanceof CommunicationLinkReliabilityParameter) { |
| 171 | logger.error("Parameter type \"" + parameter.eClass().toString() |
| 172 | + "\" not yet supported."); |
| 173 | return null; |
| 174 | } else if (parameter instanceof ComponentReliabilityParameter) { |
| 175 | result = createComponentSensitivity((ComponentReliabilityParameter) parameter); |
| 176 | } else if (parameter instanceof HardwareMTTFParameter) { |
| 177 | result = createMTTFSensitivity((HardwareMTTFParameter) parameter); |
| 178 | } else if (parameter instanceof HardwareMTTRParameter) { |
| 179 | result = createMTTRSensitivity((HardwareMTTRParameter) parameter); |
| 180 | } else if (parameter instanceof InternalActionReliabilityParameter) { |
| 181 | result = createInternalActionSensitivity((InternalActionReliabilityParameter) parameter); |
| 182 | } else if (parameter instanceof NetworkReliabilityParameter) { |
| 183 | result = createNetworkSensitivity((NetworkReliabilityParameter) parameter); |
| 184 | } else if (parameter instanceof ProbabilisticBranchParameter) { |
| 185 | result = createProbabilisticBranchSensitivity((ProbabilisticBranchParameter) parameter); |
| 186 | } else if (parameter instanceof ResourceMTTFParameter) { |
| 187 | result = createResourceMTTFSensitivity((ResourceMTTFParameter) parameter); |
| 188 | } else if (parameter instanceof ResourceMTTRParameter) { |
| 189 | result = createResourceMTTRSensitivity((ResourceMTTRParameter) parameter); |
| 190 | } else if (parameter instanceof SoftwareReliabilityParameter) { |
| 191 | result = createSoftwareSensitivity((SoftwareReliabilityParameter) parameter); |
| 192 | } else if (parameter instanceof VariableUsageParameter) { |
| 193 | result = createVariableUsageSensitivity((VariableUsageParameter) parameter); |
| 194 | } else if (parameter instanceof UsageBranchParameter) { |
| 195 | result = createUsageBranchSensitivity((UsageBranchParameter) parameter); |
| 196 | } else if (parameter instanceof SoftwareFailureTypesParameter) { |
| 197 | result = createFailureTypeSensitivity((SoftwareFailureTypesParameter) parameter); |
| 198 | } else { |
| 199 | logger.error("Parameter type \"" + parameter.eClass().toString() |
| 200 | + "\" not yet supported."); |
| 201 | return null; |
| 202 | } |
| 203 | result.setLogFileName(logFileName); |
| 204 | result.setResultSpecifications(resultSpecifications); |
| 205 | return result; |
| 206 | } |
| 207 | |
| 208 | /** |
| 209 | * |
| 210 | * @param parameter |
| 211 | * @return |
| 212 | */ |
| 213 | private MTTFSensitivity createMTTFSensitivity( |
| 214 | final HardwareMTTFParameter parameter) { |
| 215 | SensitivityParameterVariation variation = parameter |
| 216 | .getSensitivityParameterVariation__SingleSensitivityParameter(); |
| 217 | if (variation instanceof DoubleParameterVariation) { |
| 218 | return new MTTFSensitivity(parameter.getEntityName(), |
| 219 | (DoubleParameterVariation) variation); |
| 220 | } else { |
| 221 | logger.error("Parameter variation type \"" |
| 222 | + variation.eClass().toString() |
| 223 | + "\" not supported for parameter type \"" |
| 224 | + parameter.eClass().toString() + "\"."); |
| 225 | return null; |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | /** |
| 230 | * |
| 231 | * @param parameter |
| 232 | * @return |
| 233 | */ |
| 234 | private MTTRSensitivity createMTTRSensitivity( |
| 235 | final HardwareMTTRParameter parameter) { |
| 236 | SensitivityParameterVariation variation = parameter |
| 237 | .getSensitivityParameterVariation__SingleSensitivityParameter(); |
| 238 | if (variation instanceof DoubleParameterVariation) { |
| 239 | return new MTTRSensitivity(parameter.getEntityName(), |
| 240 | (DoubleParameterVariation) variation); |
| 241 | } else { |
| 242 | logger.error("Parameter variation type \"" |
| 243 | + variation.eClass().toString() |
| 244 | + "\" not supported for parameter type \"" |
| 245 | + parameter.eClass().toString() + "\"."); |
| 246 | return null; |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | /** |
| 251 | * |
| 252 | * @param parameter |
| 253 | * @param resultSpecifications |
| 254 | * @param logFileName |
| 255 | * @return |
| 256 | */ |
| 257 | private MultiSensitivity createMultiSensitivity( |
| 258 | final CombinedSensitivityParameter parameter, |
| 259 | EList<SensitivityResultSpecification> resultSpecifications, |
| 260 | final String logFileName) { |
| 261 | List<MarkovSensitivity> subSensitivities = new ArrayList<MarkovSensitivity>(); |
| 262 | for (SensitivityParameter subParameter : parameter |
| 263 | .getChildParameters__CombinedSensitivityParameter()) { |
| 264 | subSensitivities.add(createMarkovSensitivity(subParameter, |
| 265 | resultSpecifications, logFileName)); |
| 266 | } |
| 267 | return new MultiSensitivity(parameter.getEntityName(), |
| 268 | subSensitivities, parameter.isCombinatory()); |
| 269 | } |
| 270 | |
| 271 | /** |
| 272 | * |
| 273 | * @param parameter |
| 274 | * @return |
| 275 | */ |
| 276 | private NetworkSensitivity createNetworkSensitivity( |
| 277 | final NetworkReliabilityParameter parameter) { |
| 278 | SensitivityParameterVariation variation = parameter |
| 279 | .getSensitivityParameterVariation__SingleSensitivityParameter(); |
| 280 | if (variation instanceof DoubleParameterVariation) { |
| 281 | return new NetworkSensitivity(parameter.getEntityName(), |
| 282 | (DoubleParameterVariation) variation); |
| 283 | } else { |
| 284 | logger.error("Parameter variation type \"" |
| 285 | + variation.eClass().toString() |
| 286 | + "\" not supported for parameter type \"" |
| 287 | + parameter.eClass().toString() + "\"."); |
| 288 | return null; |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | /** |
| 293 | * |
| 294 | * @param parameter |
| 295 | * @return |
| 296 | */ |
| 297 | private ProbabilisticBranchSensitivity createProbabilisticBranchSensitivity( |
| 298 | final ProbabilisticBranchParameter parameter) { |
| 299 | SensitivityParameterVariation variation = parameter |
| 300 | .getSensitivityParameterVariation__SingleSensitivityParameter(); |
| 301 | if (variation instanceof DoubleParameterVariation) { |
| 302 | return new ProbabilisticBranchSensitivity( |
| 303 | parameter.getEntityName(), |
| 304 | parameter |
| 305 | .getProbabilisticBranchTransition__ProbabilisticBranchParameter() |
| 306 | .getId(), (DoubleParameterVariation) variation); |
| 307 | } else { |
| 308 | logger.error("Parameter variation type \"" |
| 309 | + variation.eClass().toString() |
| 310 | + "\" not supported for parameter type \"" |
| 311 | + parameter.eClass().toString() + "\"."); |
| 312 | return null; |
| 313 | } |
| 314 | } |
| 315 | |
| 316 | /** |
| 317 | * |
| 318 | * @param parameter |
| 319 | * @return |
| 320 | */ |
| 321 | private ResourceMTTFSensitivity createResourceMTTFSensitivity( |
| 322 | final ResourceMTTFParameter parameter) { |
| 323 | SensitivityParameterVariation variation = parameter |
| 324 | .getSensitivityParameterVariation__SingleSensitivityParameter(); |
| 325 | if (variation instanceof DoubleParameterVariation) { |
| 326 | return new ResourceMTTFSensitivity(parameter.getEntityName(), |
| 327 | parameter.getResourceContainer__ResourceMTTFParameter() |
| 328 | .getId(), parameter |
| 329 | .getProcessingResourceType__ResourceMTTFParameter() |
| 330 | .getId(), (DoubleParameterVariation) variation); |
| 331 | } else { |
| 332 | logger.error("Parameter variation type \"" |
| 333 | + variation.eClass().toString() |
| 334 | + "\" not supported for parameter type \"" |
| 335 | + parameter.eClass().toString() + "\"."); |
| 336 | return null; |
| 337 | } |
| 338 | } |
| 339 | |
| 340 | /** |
| 341 | * |
| 342 | * @param parameter |
| 343 | * @return |
| 344 | */ |
| 345 | private ResourceMTTRSensitivity createResourceMTTRSensitivity( |
| 346 | final ResourceMTTRParameter parameter) { |
| 347 | SensitivityParameterVariation variation = parameter |
| 348 | .getSensitivityParameterVariation__SingleSensitivityParameter(); |
| 349 | if (variation instanceof DoubleParameterVariation) { |
| 350 | return new ResourceMTTRSensitivity(parameter.getEntityName(), |
| 351 | parameter.getResourceContainer__ResourceMTTRParameter() |
| 352 | .getId(), parameter |
| 353 | .getProcessingResourceType__ResourceMTTRParameter() |
| 354 | .getId(), (DoubleParameterVariation) variation); |
| 355 | } else { |
| 356 | logger.error("Parameter variation type \"" |
| 357 | + variation.eClass().toString() |
| 358 | + "\" not supported for parameter type \"" |
| 359 | + parameter.eClass().toString() + "\"."); |
| 360 | return null; |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | /** |
| 365 | * |
| 366 | * @param parameter |
| 367 | * @return |
| 368 | */ |
| 369 | private SoftwareSensitivity createSoftwareSensitivity( |
| 370 | final SoftwareReliabilityParameter parameter) { |
| 371 | SensitivityParameterVariation variation = parameter |
| 372 | .getSensitivityParameterVariation__SingleSensitivityParameter(); |
| 373 | if (variation instanceof DoubleParameterVariation) { |
| 374 | return new SoftwareSensitivity(parameter.getEntityName(), |
| 375 | (DoubleParameterVariation) variation); |
| 376 | } else { |
| 377 | logger.error("Parameter variation type \"" |
| 378 | + variation.eClass().toString() |
| 379 | + "\" not supported for parameter type \"" |
| 380 | + parameter.eClass().toString() + "\"."); |
| 381 | return null; |
| 382 | } |
| 383 | } |
| 384 | |
| 385 | /** |
| 386 | * |
| 387 | * @param parameter |
| 388 | * @return |
| 389 | */ |
| 390 | private UsageBranchSensitivity createUsageBranchSensitivity( |
| 391 | final UsageBranchParameter parameter) { |
| 392 | SensitivityParameterVariation variation = parameter |
| 393 | .getSensitivityParameterVariation__SingleSensitivityParameter(); |
| 394 | if (variation instanceof DoubleParameterVariation) { |
| 395 | return new UsageBranchSensitivity(parameter.getEntityName(), |
| 396 | parameter.getBranch__UsageBranchParameter().getId(), |
| 397 | parameter.getScenarioBehaviour__UsageBranchParameter() |
| 398 | .getId(), (DoubleParameterVariation) variation); |
| 399 | } else { |
| 400 | logger.error("Parameter variation type \"" |
| 401 | + variation.eClass().toString() |
| 402 | + "\" not supported for parameter type \"" |
| 403 | + parameter.eClass().toString() + "\"."); |
| 404 | return null; |
| 405 | } |
| 406 | } |
| 407 | |
| 408 | /** |
| 409 | * |
| 410 | * @param parameter |
| 411 | * @return |
| 412 | */ |
| 413 | private VariableUsageSensitivity createVariableUsageSensitivity( |
| 414 | final VariableUsageParameter parameter) { |
| 415 | SensitivityParameterVariation variation = parameter |
| 416 | .getSensitivityParameterVariation__SingleSensitivityParameter(); |
| 417 | if (variation instanceof StringParameterSequence) { |
| 418 | String paramId = null; |
| 419 | switch (parameter.getVariableUsageType__VariableUsageParameter()) { |
| 420 | case SYSTEM_CALL_INPUT: |
| 421 | paramId = parameter |
| 422 | .getEntryLevelSystemCall__VariableUsageParameter() |
| 423 | .getId(); |
| 424 | break; |
| 425 | case COMPONENT_CONFIGURATION: |
| 426 | paramId = parameter.getBasicComponent__VariableUsageParameter() |
| 427 | .getId(); |
| 428 | break; |
| 429 | } |
| 430 | return new VariableUsageSensitivity( |
| 431 | parameter.getEntityName(), |
| 432 | paramId, |
| 433 | parameter.getVariableName(), |
| 434 | parameter |
| 435 | .getVariableCharacterisationType__VariableUsageParameter(), |
| 436 | parameter.getVariableUsageType__VariableUsageParameter(), |
| 437 | (StringParameterSequence) variation); |
| 438 | } else { |
| 439 | logger.error("Parameter variation type \"" |
| 440 | + variation.eClass().toString() |
| 441 | + "\" not supported for parameter type \"" |
| 442 | + parameter.eClass().toString() + "\"."); |
| 443 | return null; |
| 444 | } |
| 445 | } |
| 446 | } |