Infrastructure for objective functions

1 files changed, 100 insertions, 88 deletions

diff --git a/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner/src/hu/bme/mit/inf/dslreasoner/viatrasolver/reasoner/ViatraReasoner.xtend b/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner/src/hu/bme/mit/inf/dslreasoner/viatrasolver/reasoner/ViatraReasoner.xtend
index 6639e5f3..8831b0ff 100644
--- a/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner/src/hu/bme/mit/inf/dslreasoner/viatrasolver/reasoner/ViatraReasoner.xtend
+++ b/Solvers/VIATRA-Solver/hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner/src/hu/bme/mit/inf/dslreasoner/viatrasolver/reasoner/ViatraReasoner.xtend
@@ -17,11 +17,13 @@ import hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretationlanguage.par
 import hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretationlanguage.statecoder.IdentifierBasedStateCoderFactory

 import hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretationlanguage.statecoder.NeighbourhoodBasedStateCoderFactory

 import hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.dse.BestFirstStrategyForModelGeneration

+import hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.dse.LoggerSolutionFoundHandler

 import hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.dse.ModelGenerationCompositeObjective

 import hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.dse.PartialModelAsLogicInterpretation

 import hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.dse.ScopeObjective

+import hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.dse.SurelyViolatedObjectiveGlobalConstraint

 import hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.dse.UnfinishedMultiplicityObjective

-import hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.dse.UnfinishedWFObjective

+import hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.dse.ViatraReasonerSolutionSaver

 import hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.dse.WF2ObjectiveConverter

 import hu.bme.mit.inf.dslreasoner.workspace.ReasonerWorkspace

 import java.util.List

@@ -31,44 +33,41 @@ import org.eclipse.viatra.dse.api.DesignSpaceExplorer
 import org.eclipse.viatra.dse.api.DesignSpaceExplorer.DseLoggingLevel

 import org.eclipse.viatra.dse.solutionstore.SolutionStore

 import org.eclipse.viatra.dse.statecode.IStateCoderFactory

-import hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.dse.SolutionStoreWithDiversityDescriptor

-import hu.bme.mit.inf.dslreasoner.viatrasolver.reasoner.dse.DiversityGranularity

 

-class ViatraReasoner extends LogicReasoner{

+class ViatraReasoner extends LogicReasoner {

         val PartialInterpretationInitialiser initialiser = new PartialInterpretationInitialiser()

         val ModelGenerationMethodProvider modelGenerationMethodProvider = new ModelGenerationMethodProvider

-        val extension LogicresultFactory factory = LogicresultFactory.eINSTANCE 

+        val extension LogicresultFactory factory = LogicresultFactory.eINSTANCE

         val WF2ObjectiveConverter wf2ObjectiveConverter = new WF2ObjectiveConverter

-        

-        

-        override solve(LogicProblem problem, LogicSolverConfiguration configuration, ReasonerWorkspace workspace) throws LogicReasonerException {

+

+        override solve(LogicProblem problem, LogicSolverConfiguration configuration,

+                ReasonerWorkspace workspace) throws LogicReasonerException {

                 val viatraConfig = configuration.asConfig

-                

-                if(viatraConfig.debugCongiguration.logging) {

+

+                if (viatraConfig.debugConfiguration.logging) {

                         DesignSpaceExplorer.turnOnLogging(DseLoggingLevel.VERBOSE_FULL)

                 } else {

                         DesignSpaceExplorer.turnOnLogging(DseLoggingLevel.WARN)

                 }

-                

+

                 val DesignSpaceExplorer dse = new DesignSpaceExplorer();

-                

+

                 dse.addMetaModelPackage(LogiclanguagePackage.eINSTANCE)

                 dse.addMetaModelPackage(LogicproblemPackage.eINSTANCE)

                 dse.addMetaModelPackage(PartialinterpretationPackage.eINSTANCE)

-                

+

                 val transformationStartTime = System.nanoTime

-                

-                

-                

-                val emptySolution = initialiser.initialisePartialInterpretation(problem,viatraConfig.typeScopes).output

-                if((viatraConfig.documentationLevel == DocumentationLevel::FULL || viatraConfig.documentationLevel == DocumentationLevel::NORMAL) && workspace !== null) {

-                        workspace.writeModel(emptySolution,"init.partialmodel")

-                } 

+

+                val emptySolution = initialiser.initialisePartialInterpretation(problem, viatraConfig.typeScopes).output

+                if ((viatraConfig.documentationLevel == DocumentationLevel::FULL ||

+                        viatraConfig.documentationLevel == DocumentationLevel::NORMAL) && workspace !== null) {

+                        workspace.writeModel(emptySolution, "init.partialmodel")

+                }

                 emptySolution.problemConainer = problem

-                

+

                 val ScopePropagator scopePropagator = new ScopePropagator(emptySolution)

-                scopePropagator.propagateAllScopeConstraints            

-                

+                scopePropagator.propagateAllScopeConstraints

+

                 val method = modelGenerationMethodProvider.createModelGenerationMethod(

                         problem,

                         emptySolution,

@@ -78,138 +77,151 @@ class ViatraReasoner extends LogicReasoner{
                         scopePropagator,

                         viatraConfig.documentationLevel

                 )

-                

+

                 dse.addObjective(new ModelGenerationCompositeObjective(

                         new ScopeObjective,

                         method.unfinishedMultiplicities.map[new UnfinishedMultiplicityObjective(it)],

-                        new UnfinishedWFObjective(method.unfinishedWF)

+                        wf2ObjectiveConverter.createCompletenessObjective(method.unfinishedWF)

                 ))

 

-                dse.addGlobalConstraint(wf2ObjectiveConverter.createInvalidationObjective(method.invalidWF))

-                for(additionalConstraint : viatraConfig.searchSpaceConstraints.additionalGlobalConstraints) {

+                val solutionStore = new SolutionStore(configuration.solutionScope.numberOfRequiredSolutions)

+                solutionStore.registerSolutionFoundHandler(new LoggerSolutionFoundHandler(viatraConfig))

+                val solutionSaver = new ViatraReasonerSolutionSaver(newArrayOfSize(0, 0))

+                val solutionCopier = solutionSaver.solutionCopier

+                solutionStore.withSolutionSaver(solutionSaver)

+                dse.solutionStore = solutionStore

+

+                dse.addGlobalConstraint(wf2ObjectiveConverter.createInvalidationGlobalConstraint(method.invalidWF))

+                dse.addGlobalConstraint(new SurelyViolatedObjectiveGlobalConstraint(solutionSaver))

+                for (additionalConstraint : viatraConfig.searchSpaceConstraints.additionalGlobalConstraints) {

                         dse.addGlobalConstraint(additionalConstraint.apply(method))

                 }

-                

-                dse.setInitialModel(emptySolution,false)

-                

-                val IStateCoderFactory statecoder = if(viatraConfig.stateCoderStrategy == StateCoderStrategy.Neighbourhood) {

-                        new NeighbourhoodBasedStateCoderFactory

-                } else {

-                        new IdentifierBasedStateCoderFactory

-                }

+

+                dse.setInitialModel(emptySolution, false)

+

+                val IStateCoderFactory statecoder = if (viatraConfig.stateCoderStrategy == StateCoderStrategy.Neighbourhood) {

+                                new NeighbourhoodBasedStateCoderFactory

+                        } else {

+                                new IdentifierBasedStateCoderFactory

+                        }

                 dse.stateCoderFactory = statecoder

-                

+

                 dse.maxNumberOfThreads = 1

-                

-                val solutionStore =  new SolutionStore(configuration.solutionScope.numberOfRequiredSolution)

-                dse.solutionStore = solutionStore

-                

-                for(rule : method.relationRefinementRules) {

+

+                for (rule : method.relationRefinementRules) {

                         dse.addTransformationRule(rule)

                 }

-                for(rule : method.objectRefinementRules) {

+                for (rule : method.objectRefinementRules) {

                         dse.addTransformationRule(rule)

                 }

-                

-                val strategy = new BestFirstStrategyForModelGeneration(workspace,viatraConfig,method)

+

+                val strategy = new BestFirstStrategyForModelGeneration(workspace, viatraConfig, method)

                 viatraConfig.progressMonitor.workedForwardTransformation

-                

+

                 val transformationTime = System.nanoTime - transformationStartTime

                 val solverStartTime = System.nanoTime

-                

+

                 var boolean stoppedByTimeout

-                var boolean stoppedByException

-                try{

-                        stoppedByTimeout = dse.startExplorationWithTimeout(strategy,configuration.runtimeLimit*1000);

-                        stoppedByException = false

+                try {

+                        stoppedByTimeout = dse.startExplorationWithTimeout(strategy, configuration.runtimeLimit * 1000);

                 } catch (NullPointerException npe) {

                         stoppedByTimeout = false

-                        stoppedByException = true

                 }

                 val solverTime = System.nanoTime - solverStartTime

                 viatraConfig.progressMonitor.workedSearchFinished

-                

-                //additionalMatches = strategy.solutionStoreWithCopy.additionalMatches

+

+                // additionalMatches = strategy.solutionStoreWithCopy.additionalMatches

                 val statistics = createStatistics => [

-                        //it.solverTime = viatraConfig.runtimeLimit

-                        it.solverTime = (solverTime/1000000) as int

-                        it.transformationTime = (transformationTime/1000000) as int

-                        for(x : 0..<strategy.solutionStoreWithCopy.allRuntimes.size) {

+                        // it.solverTime = viatraConfig.runtimeLimit

+                        it.solverTime = (solverTime / 1000000) as int

+                        it.transformationTime = (transformationTime / 1000000) as int

+                        for (pair : solutionCopier.getAllCopierRuntimes(true).indexed) {

                                 it.entries += createIntStatisticEntry => [

-                                        it.name = '''_Solution«x»FoundAt'''

-                                        it.value = (strategy.solutionStoreWithCopy.allRuntimes.get(x)/1000000) as int

+                                        it.name = '''_Solution«pair.key»FoundAt'''

+                                        it.value = (pair.value / 1000000) as int

                                 ]

                         }

                         it.entries += createIntStatisticEntry => [

-                                it.name = "TransformationExecutionTime" it.value = (method.statistics.transformationExecutionTime/1000000) as int

+                                it.name = "TransformationExecutionTime"

+                                it.value = (method.statistics.transformationExecutionTime / 1000000) as int

                         ]

                         it.entries += createIntStatisticEntry => [

-                                it.name = "TypeAnalysisTime" it.value = (method.statistics.PreliminaryTypeAnalisisTime/1000000) as int

+                                it.name = "TypeAnalysisTime"

+                                it.value = (method.statistics.PreliminaryTypeAnalisisTime / 1000000) as int

                         ]

                         it.entries += createIntStatisticEntry => [

-                                it.name = "StateCoderTime" it.value = (statecoder.runtime/1000000) as int

+                                it.name = "StateCoderTime"

+                                it.value = (statecoder.runtime / 1000000) as int

                         ]

                         it.entries += createIntStatisticEntry => [

-                                it.name = "StateCoderFailCount" it.value = strategy.numberOfStatecoderFail

+                                it.name = "StateCoderFailCount"

+                                it.value = strategy.numberOfStatecoderFail

                         ]

                         it.entries += createIntStatisticEntry => [

-                                it.name = "SolutionCopyTime" it.value = (strategy.solutionStoreWithCopy.sumRuntime/1000000) as int

+                                it.name = "SolutionCopyTime"

+                                it.value = (solutionCopier.getTotalCopierRuntime / 1000000) as int

                         ]

-                        if(strategy.solutionStoreWithDiversityDescriptor.isActive) {

+                        if (strategy.solutionStoreWithDiversityDescriptor.isActive) {

                                 it.entries += createIntStatisticEntry => [

-                                        it.name = "SolutionDiversityCheckTime" it.value = (strategy.solutionStoreWithDiversityDescriptor.sumRuntime/1000000) as int

+                                        it.name = "SolutionDiversityCheckTime"

+                                        it.value = (strategy.solutionStoreWithDiversityDescriptor.sumRuntime / 1000000) as int

                                 ]

                                 it.entries += createRealStatisticEntry => [

-                                        it.name = "SolutionDiversitySuccessRate" it.value = strategy.solutionStoreWithDiversityDescriptor.successRate

+                                        it.name = "SolutionDiversitySuccessRate"

+                                        it.value = strategy.solutionStoreWithDiversityDescriptor.successRate

                                 ]

                         }

                 ]

-                

+

                 viatraConfig.progressMonitor.workedBackwardTransformationFinished

-                

-                if(stoppedByTimeout) {

-                        return createInsuficientResourcesResult=>[

+

+                if (stoppedByTimeout) {

+                        return createInsuficientResourcesResult => [

                                 it.problem = problem

-                                it.resourceName="time"

-                                it.representation += strategy.solutionStoreWithCopy.solutions

+                                it.resourceName = "time"

+                                it.representation += solutionCopier.getPartialInterpretations(true)

                                 it.statistics = statistics

                         ]

                 } else {

-                        if(solutionStore.solutions.empty) {

+                        if (solutionStore.solutions.empty) {

                                 return createInconsistencyResult => [

                                         it.problem = problem

-                                        it.representation += strategy.solutionStoreWithCopy.solutions

+                                        it.representation += solutionCopier.getPartialInterpretations(true)

                                         it.statistics = statistics

                                 ]

                         } else {

                                 return createModelResult => [

                                         it.problem = problem

-                                        it.trace = strategy.solutionStoreWithCopy.copyTraces

-                                        it.representation += strategy.solutionStoreWithCopy.solutions

+                                        it.trace = solutionCopier.getTraces(true)

+                                        it.representation += solutionCopier.getPartialInterpretations(true)

                                         it.statistics = statistics

                                 ]

                         }

                 }

         }

 

-    private def dispatch long runtime(NeighbourhoodBasedStateCoderFactory sc) {

-        sc.sumStatecoderRuntime

-    }

+        private def dispatch long runtime(NeighbourhoodBasedStateCoderFactory sc) {

+                sc.sumStatecoderRuntime

+        }

 

-    private def dispatch long runtime(IdentifierBasedStateCoderFactory sc) {

-        sc.sumStatecoderRuntime

-    }

+        private def dispatch long runtime(IdentifierBasedStateCoderFactory sc) {

+                sc.sumStatecoderRuntime

+        }

 

         override getInterpretations(ModelResult modelResult) {

-                val indexes = 0..<modelResult.representation.size

+                val indexes = 0 ..< modelResult.representation.size

                 val traces = modelResult.trace as List<Map<EObject, EObject>>;

-                val res = indexes.map[i | new PartialModelAsLogicInterpretation(modelResult.representation.get(i) as PartialInterpretation,traces.get(i))].toList

+                val res = indexes.map [ i |

+                        new PartialModelAsLogicInterpretation(modelResult.representation.get(i) as PartialInterpretation,

+                                traces.get(i))

+                ].toList

                 return res

         }

-        

+

         private def ViatraReasonerConfiguration asConfig(LogicSolverConfiguration configuration) {

-                if(configuration instanceof ViatraReasonerConfiguration) {

+                if (configuration instanceof ViatraReasonerConfiguration) {

                         return configuration

-                } else throw new IllegalArgumentException('''Wrong configuration. Expected: «ViatraReasonerConfiguration.name», but got: «configuration.class.name»"''')

+                } else

+                        throw new IllegalArgumentException('''Wrong configuration. Expected: «ViatraReasonerConfiguration.name», but got: «configuration.class.name»"''')

         }

 }