1 | package de.uka.ipd.sdq.dsexplore.analysis.reliability; |
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.debug.core.ILaunchManager; |
13 | import org.opt4j.core.Constraint; |
14 | import org.opt4j.core.Criterion; |
15 | import org.opt4j.core.Objective; |
16 | |
17 | import de.uka.ipd.sdq.dsexplore.analysis.AnalysisFailedException; |
18 | import de.uka.ipd.sdq.dsexplore.analysis.IAnalysis; |
19 | import de.uka.ipd.sdq.dsexplore.analysis.IAnalysisResult; |
20 | import de.uka.ipd.sdq.dsexplore.analysis.PCMPhenotype; |
21 | import de.uka.ipd.sdq.dsexplore.launch.DSEWorkflowConfiguration; |
22 | import de.uka.ipd.sdq.dsexplore.launch.DSEConstantsContainer.QualityAttribute; |
23 | import de.uka.ipd.sdq.dsexplore.qml.contract.QMLContract.EvaluationAspect; |
24 | import de.uka.ipd.sdq.dsexplore.qml.contracttype.QMLContractType.Dimension; |
25 | import de.uka.ipd.sdq.dsexplore.qml.pcm.datastructures.EvaluationAspectWithContext; |
26 | import de.uka.ipd.sdq.dsexplore.qml.pcm.datastructures.builder.InfeasibilityConstraintBuilder; |
27 | import de.uka.ipd.sdq.dsexplore.qml.pcm.datastructures.builder.ObjectiveBuilder; |
28 | import de.uka.ipd.sdq.dsexplore.qml.pcm.datastructures.builder.SatisfactionConstraintBuilder; |
29 | import de.uka.ipd.sdq.dsexplore.qml.pcm.reader.PCMDeclarationsReader; |
30 | import de.uka.ipd.sdq.dsexplore.qml.profile.QMLProfile.UsageScenarioRequirement; |
31 | import de.uka.ipd.sdq.pcm.usagemodel.UsageModel; |
32 | import de.uka.ipd.sdq.pcmsolver.models.PCMInstance; |
33 | import de.uka.ipd.sdq.pcmsolver.runconfig.PCMSolverConfigurationBasedConfigBuilder; |
34 | import de.uka.ipd.sdq.pcmsolver.runconfig.PCMSolverWorkflowRunConfiguration; |
35 | import de.uka.ipd.sdq.reliability.solver.pcm2markov.Pcm2MarkovStrategy; |
36 | import de.uka.ipd.sdq.reliability.solver.runconfig.PCMSolverReliabilityConfigurationBasedConfigBuilder; |
37 | import de.uka.ipd.sdq.reliability.solver.runconfig.RunPCMReliabilityAnalysisJob; |
38 | import de.uka.ipd.sdq.workflow.exceptions.JobFailedException; |
39 | import de.uka.ipd.sdq.workflow.exceptions.UserCanceledException; |
40 | import de.uka.ipd.sdq.workflow.launchconfig.AbstractWorkflowConfigurationBuilder; |
41 | import de.uka.ipd.sdq.workflow.mdsd.blackboard.MDSDBlackboard; |
42 | import de.uka.ipd.sdq.workflow.pcm.blackboard.PCMResourceSetPartition; |
43 | import de.uka.ipd.sdq.workflow.pcm.configurations.PCMWorkflowConfigurationBuilder; |
44 | import de.uka.ipd.sdq.workflow.pcm.jobs.LoadPCMModelsIntoBlackboardJob; |
45 | |
46 | /** |
47 | * Starts a reliability Solver Analysis for the design space exploration. |
48 | * |
49 | * @author pmerkle, anne |
50 | * |
51 | */ |
52 | public class ReliabilityAnalysis implements IAnalysis { |
53 | |
54 | /** Logger for log4j. */ |
55 | private static Logger logger = |
56 | Logger.getLogger("de.uka.ipd.sdq.dsexplore.analysis.reliability.ReliabilityAnalysis"); |
57 | |
58 | /** |
59 | * Store the launch parameters so that we do not have to pass them all the |
60 | * time. |
61 | */ |
62 | private DSEWorkflowConfiguration config; |
63 | |
64 | private PCMSolverWorkflowRunConfiguration lastPCMSolverConfiguration; |
65 | |
66 | private int iteration = -1; |
67 | |
68 | private MDSDBlackboard blackboard; |
69 | |
70 | private ReliabilitySolverQualityAttributeDeclaration reliabilityQualityAttribute = new ReliabilitySolverQualityAttributeDeclaration(); |
71 | |
72 | //Constraint handling |
73 | private List<Constraint> constraints = new ArrayList<Constraint>(); |
74 | private Map<Constraint, EvaluationAspectWithContext> constraintToAspect = new HashMap<Constraint, EvaluationAspectWithContext>(); //This is needed to determine, what THE result is (Mean, Variance, ...) |
75 | |
76 | private List<Objective> objectives = new ArrayList<Objective>(); |
77 | private Map<Objective, EvaluationAspectWithContext> objectiveToAspect = new HashMap<Objective, EvaluationAspectWithContext>(); |
78 | |
79 | private Map<Long, Double> previousPofodResults = new HashMap<Long, Double>(); |
80 | |
81 | /** |
82 | * {@inheritDoc} |
83 | * @throws UserCanceledException |
84 | * @throws JobFailedException |
85 | */ |
86 | public void analyse(PCMPhenotype pheno, IProgressMonitor monitor) |
87 | throws CoreException, JobFailedException, UserCanceledException { |
88 | |
89 | iteration++; |
90 | |
91 | launchReliabilitySolver(pheno, monitor); |
92 | |
93 | } |
94 | |
95 | private IAnalysisResult retrieveReliabilitySolverResults(PCMPhenotype pheno) { |
96 | |
97 | ReliabilityAnalysisResult result = new ReliabilityAnalysisResult(this.previousPofodResults.get(pheno.getNumericID()), this.lastPCMSolverConfiguration); |
98 | |
99 | return result; |
100 | } |
101 | |
102 | /** |
103 | * Launches the LQN Solver. |
104 | * @param monitor |
105 | * |
106 | * @param pcmInstance the instance of PCM |
107 | * @throws AnalysisFailedException RunPCMAnalysisJob solver = new RunPCMAnalysisJob(configuration, true); |
108 | * @throws CoreException |
109 | * @throws UserCanceledException |
110 | * @throws JobFailedException |
111 | */ |
112 | private void launchReliabilitySolver(PCMPhenotype pheno, IProgressMonitor monitor) |
113 | throws CoreException, JobFailedException, UserCanceledException { |
114 | |
115 | PCMSolverWorkflowRunConfiguration solverConfiguration = new PCMSolverWorkflowRunConfiguration(); |
116 | AbstractWorkflowConfigurationBuilder builder; |
117 | |
118 | builder = new PCMWorkflowConfigurationBuilder(this.config.getRawConfiguration(), ILaunchManager.RUN_MODE); |
119 | builder.fillConfiguration(solverConfiguration); |
120 | |
121 | builder = new PCMSolverConfigurationBasedConfigBuilder(this.config.getRawConfiguration(), |
122 | ILaunchManager.RUN_MODE); |
123 | builder.fillConfiguration(solverConfiguration); |
124 | |
125 | builder = new PCMSolverReliabilityConfigurationBasedConfigBuilder(this.config.getRawConfiguration(), ILaunchManager.RUN_MODE); |
126 | builder.fillConfiguration(solverConfiguration); |
127 | |
128 | solverConfiguration.setShowHtmlResults(false); |
129 | |
130 | solverConfiguration.setInteractive(false); |
131 | |
132 | this.lastPCMSolverConfiguration = solverConfiguration; |
133 | |
134 | // Create a new Analysis job |
135 | RunPCMReliabilityAnalysisJob solverJob = new RunPCMReliabilityAnalysisJob(solverConfiguration); |
136 | solverJob.setBlackboard(blackboard); |
137 | |
138 | //execute the job |
139 | solverJob.execute(monitor); |
140 | |
141 | this.previousPofodResults.put(pheno.getNumericID(), 1 - ((Pcm2MarkovStrategy)solverJob.getStrategy()).getSolvedValue().getSuccessProbability()); |
142 | |
143 | logger.debug("Finished reliability solver analysis"); |
144 | |
145 | } |
146 | |
147 | /** |
148 | * {@inheritDoc} |
149 | * @see de.uka.ipd.sdq.dsexplore.analysis.IAnalysis#initialise(org.eclipse.debug.core.ILaunchConfiguration, java.lang.String, org.eclipse.debug.core.ILaunch, org.eclipse.core.runtime.IProgressMonitor) |
150 | */ |
151 | public void initialise(DSEWorkflowConfiguration configuration) throws CoreException{ |
152 | this.config = configuration; |
153 | |
154 | initialiseCriteria(configuration); |
155 | } |
156 | |
157 | private void initialiseCriteria(DSEWorkflowConfiguration configuration) throws CoreException{ |
158 | UsageModel usageModel = new PCMInstance((PCMResourceSetPartition)this.blackboard.getPartition(LoadPCMModelsIntoBlackboardJob.PCM_MODELS_PARTITION_ID)).getUsageModel(); |
159 | |
160 | PCMDeclarationsReader reader = new PCMDeclarationsReader( |
161 | configuration.getRawConfiguration().getAttribute("qmlDefinitionFile", "")); |
162 | |
163 | List<Dimension> dimensions = this.reliabilityQualityAttribute.getDimensions(); |
164 | |
165 | List<EvaluationAspectWithContext> reliabilityAspects = new ArrayList<EvaluationAspectWithContext>(6); |
166 | for (Dimension dimension : dimensions) { |
167 | reliabilityAspects.addAll(reader.getDimensionConstraintContextsForUsageModel(usageModel, dimension.getId())); |
168 | reliabilityAspects.addAll(reader.getDimensionObjectiveContextsForUsageModel(usageModel, dimension.getId())); |
169 | } |
170 | |
171 | //Check constraint aspects and create Constraint-Objects for every Aspect |
172 | for (Iterator<EvaluationAspectWithContext> iterator = reliabilityAspects.iterator(); iterator.hasNext();) { |
173 | EvaluationAspectWithContext aspectContext = iterator |
174 | .next(); |
175 | |
176 | |
177 | if(aspectContext.getRequirement() instanceof UsageScenarioRequirement) { |
178 | |
179 | //Handle possible aspects here |
180 | if (canEvaluateAspect(aspectContext.getEvaluationAspect(), aspectContext.getDimension())) { |
181 | |
182 | if(aspectContext.getCriterion() instanceof de.uka.ipd.sdq.dsexplore.qml.contract.QMLContract.Constraint) { |
183 | Constraint c = reader.translateEvalAspectToInfeasibilityConstraint(aspectContext, new InfeasibilityConstraintBuilder()); |
184 | constraints.add(c); |
185 | constraintToAspect.put(c, aspectContext); |
186 | } else { |
187 | //instanceof Objective |
188 | Objective o = reader.translateEvalAspectToObjective(this.getQualityAttribute().getName(), aspectContext, new ObjectiveBuilder()); |
189 | objectives.add(o); |
190 | objectiveToAspect.put(o, aspectContext); |
191 | |
192 | Constraint c = reader.translateEvalAspectToSatisfactionConstraint(aspectContext, o, new SatisfactionConstraintBuilder()); |
193 | constraints.add(c); |
194 | constraintToAspect.put(c, aspectContext); |
195 | } |
196 | } else { |
197 | //XXX: This should never be the case if the optimization is started with the LaunchConfig the aspect is checked there as well |
198 | throw new RuntimeException("Evaluation aspect not supported("+aspectContext.getEvaluationAspect()+")!"); |
199 | } |
200 | |
201 | } else { |
202 | throw new RuntimeException("Unsupported Requirement!"); |
203 | } |
204 | } |
205 | } |
206 | |
207 | private boolean canEvaluateAspect(EvaluationAspect aspect, Dimension dimension){ |
208 | return reliabilityQualityAttribute.canEvaluateAspectForDimension(aspect, dimension); |
209 | } |
210 | |
211 | //MOVED to PCMDeclarationsReader |
212 | // private Objective translateEvalAspectToObjective(EvaluationAspectWithContext aspect) { |
213 | // //Make sure, the aspect IS an objective |
214 | // try { |
215 | // if(aspect.getDimension().getType().getRelationSemantics().getRelSem() == EnumRelationSemantics.DECREASING) { |
216 | // return new Objective(this.getQualityAttribute(), Objective.Sign.MIN); |
217 | // } else { |
218 | // //INCREASING |
219 | // return new Objective(this.getQualityAttribute(), Objective.Sign.MAX); |
220 | // } |
221 | // } catch (CoreException e) { |
222 | // e.printStackTrace(); |
223 | // throw new RuntimeException("Could not get reliability quality attribute!"); |
224 | // } |
225 | // } |
226 | |
227 | public QualityAttribute getQualityAttribute() throws CoreException { |
228 | //return DSEConstantsContainer.POFOD_QUALITY; |
229 | return reliabilityQualityAttribute.getQualityAttribute(); |
230 | } |
231 | |
232 | public boolean hasStatisticResults() throws CoreException { |
233 | return false; |
234 | } |
235 | |
236 | // //TODO support several usage scenarios, then also change hasObjectivePerUsageScenario |
237 | // @Override |
238 | // public List<Objective> getObjectives() throws CoreException { |
239 | // List<Objective> objectives = new ArrayList<Objective>(1); |
240 | // Objective o = new Objective(this.getQualityAttribute(), Objective.Sign.MIN); |
241 | // objectives.add(o); |
242 | // |
243 | // return objectives; |
244 | // } |
245 | |
246 | @Override |
247 | public List<Criterion> getCriterions() throws CoreException { |
248 | List<Criterion> criterions = new ArrayList<Criterion>(); |
249 | |
250 | //Objective o = new Objective(this.getQualityAttribute(), Objective.Sign.MIN); |
251 | criterions.addAll(objectives); |
252 | |
253 | criterions.addAll(constraints); |
254 | |
255 | return criterions; |
256 | } |
257 | |
258 | //TODO: Support several usage scenarios. |
259 | @Override |
260 | public IAnalysisResult retrieveResultsFor(PCMPhenotype pheno, Criterion criterion) |
261 | throws CoreException, AnalysisFailedException { |
262 | IAnalysisResult result = retrieveReliabilitySolverResults(pheno); |
263 | |
264 | //It is always the pofod, i.e. objective and constraint always have to refer to the MeanValue (-> no other aspects atm) |
265 | //If more possible aspects are added, the criterion needs to be examined here |
266 | return result; |
267 | } |
268 | |
269 | @Override |
270 | public boolean hasObjectivePerUsageScenario() throws CoreException { |
271 | return false; |
272 | } |
273 | |
274 | |
275 | @Override |
276 | public void setBlackboard(MDSDBlackboard blackboard) { |
277 | this.blackboard = blackboard; |
278 | |
279 | } |
280 | |
281 | |
282 | |
283 | } |