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package hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra
import com.google.common.collect.ImmutableMap
import hu.bme.mit.inf.dslreasoner.logic.model.builder.DocumentationLevel
import hu.bme.mit.inf.dslreasoner.logic.model.logicproblem.LogicProblem
import hu.bme.mit.inf.dslreasoner.viatra2logic.viatra2logicannotations.TransfomedViatraQuery
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.cardinality.CbcPolyhedronSolver
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.cardinality.LinearTypeConstraintHint
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.cardinality.MultiplicityGoalConstraintCalculator
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.cardinality.PolyhedronScopePropagator
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.cardinality.RelationConstraintCalculator
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.cardinality.ScopePropagator
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.cardinality.ScopePropagatorStrategy
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.cardinality.TypeHierarchyScopePropagator
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.cardinality.Z3PolyhedronSolver
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.patterns.GeneratedPatterns
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.patterns.ModalPatternQueries
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.patterns.PatternProvider
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.rules.GoalConstraintProvider
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.rules.RefinementRuleProvider
import hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretationlanguage.partialinterpretation.PartialInterpretation
import hu.bme.mit.inf.dslreasoner.workspace.ReasonerWorkspace
import java.util.Collection
import java.util.List
import java.util.Map
import java.util.Set
import org.eclipse.viatra.query.runtime.api.GenericQueryGroup
import org.eclipse.viatra.query.runtime.api.IPatternMatch
import org.eclipse.viatra.query.runtime.api.IQuerySpecification
import org.eclipse.viatra.query.runtime.api.ViatraQueryEngine
import org.eclipse.viatra.query.runtime.api.ViatraQueryMatcher
import org.eclipse.viatra.query.runtime.emf.EMFScope
import org.eclipse.viatra.query.runtime.matchers.psystem.PConstraint
import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PQuery
import org.eclipse.viatra.transformation.runtime.emf.rules.batch.BatchTransformationRule
import org.eclipse.xtend.lib.annotations.Data
class ModelGenerationStatistics {
public var long transformationExecutionTime = 0
synchronized def addExecutionTime(long amount) {
transformationExecutionTime += amount
}
public var long scopePropagationTime = 0
synchronized def addScopePropagationTime(long amount) {
scopePropagationTime += amount
}
public var long preliminaryTypeAnalisisTime = 0
public var int decisionsTried = 0
synchronized def incrementDecisionCount() {
decisionsTried++
}
public var int transformationInvocations
synchronized def incrementTransformationCount() {
transformationInvocations++
}
public var int scopePropagatorInvocations
synchronized def incrementScopePropagationCount() {
scopePropagatorInvocations++
}
public var int scopePropagatorSolverInvocations
synchronized def incrementScopePropagationSolverCount() {
scopePropagatorSolverInvocations++
}
}
@Data class ModelGenerationMethod {
ModelGenerationStatistics statistics
Collection<? extends BatchTransformationRule<?, ?>> objectRefinementRules
Collection<? extends BatchTransformationRule<?, ?>> relationRefinementRules
List<MultiplicityGoalConstraintCalculator> unfinishedMultiplicities
Collection<? extends IQuerySpecification<? extends ViatraQueryMatcher<? extends IPatternMatch>>> unfinishedWF
Collection<? extends IQuerySpecification<? extends ViatraQueryMatcher<? extends IPatternMatch>>> invalidWF
Map<PConstraint, IQuerySpecification<? extends ViatraQueryMatcher<? extends IPatternMatch>>> mustUnitPropagationPreconditions
Map<PConstraint, IQuerySpecification<? extends ViatraQueryMatcher<? extends IPatternMatch>>> currentUnitPropagationPreconditions
Map<String, ModalPatternQueries> modalRelationQueries
Collection<? extends IQuerySpecification<? extends ViatraQueryMatcher<? extends IPatternMatch>>> allPatterns
}
enum TypeInferenceMethod {
Generic,
PreliminaryAnalysis
}
class ModelGenerationMethodProvider {
val PatternProvider patternProvider = new PatternProvider
val RefinementRuleProvider refinementRuleProvider = new RefinementRuleProvider
val GoalConstraintProvider goalConstraintProvider = new GoalConstraintProvider
val relationConstraintCalculator = new RelationConstraintCalculator
def ModelGenerationMethod createModelGenerationMethod(
LogicProblem logicProblem,
PartialInterpretation emptySolution,
ReasonerWorkspace workspace,
boolean nameNewElements,
TypeInferenceMethod typeInferenceMethod,
ScopePropagatorStrategy scopePropagatorStrategy,
Collection<LinearTypeConstraintHint> hints,
DocumentationLevel debugLevel
) {
val statistics = new ModelGenerationStatistics
val writeFiles = (debugLevel === DocumentationLevel.NORMAL || debugLevel === DocumentationLevel.FULL)
val Set<PQuery> existingQueries = logicProblem.relations.map[annotations].flatten.filter(TransfomedViatraQuery).
map[it.patternPQuery as PQuery].toSet
val relationConstraints = relationConstraintCalculator.calculateRelationConstraints(logicProblem)
val queries = patternProvider.generateQueries(logicProblem, emptySolution, statistics, existingQueries,
workspace, typeInferenceMethod, scopePropagatorStrategy, relationConstraints, hints, writeFiles)
val queryEngine = ViatraQueryEngine.on(new EMFScope(emptySolution))
GenericQueryGroup.of(queries.allQueries).prepare(queryEngine)
val scopePropagator = createScopePropagator(scopePropagatorStrategy, emptySolution, hints, queries, statistics)
scopePropagator.propagateAllScopeConstraints
val objectRefinementRules = refinementRuleProvider.createObjectRefinementRules(logicProblem, emptySolution,
queries, scopePropagator, nameNewElements, statistics)
val relationRefinementRules = refinementRuleProvider.createRelationRefinementRules(queries, scopePropagator,
statistics)
val unfinishedMultiplicities = goalConstraintProvider.getUnfinishedMultiplicityQueries(logicProblem,queries)
val unfinishedWF = queries.getUnfinishedWFQueries.values
val modalRelationQueriesBuilder = ImmutableMap.builder
for (entry : queries.modalRelationQueries.entrySet) {
val annotation = entry.key.annotations.filter(TransfomedViatraQuery).head
if (annotation !== null) {
modalRelationQueriesBuilder.put(annotation.patternFullyQualifiedName, entry.value)
}
}
val modalRelationQueries = modalRelationQueriesBuilder.build
val invalidWF = queries.getInvalidWFQueries.values
val mustUnitPropagationPreconditions = queries.getMustUnitPropagationPreconditionPatterns
val currentUnitPropagationPreconditions = queries.getCurrentUnitPropagationPreconditionPatterns
return new ModelGenerationMethod(
statistics,
objectRefinementRules.values,
relationRefinementRules.values,
unfinishedMultiplicities,
unfinishedWF,
invalidWF,
mustUnitPropagationPreconditions,
currentUnitPropagationPreconditions,
modalRelationQueries,
queries.allQueries
)
}
private def createScopePropagator(ScopePropagatorStrategy scopePropagatorStrategy,
PartialInterpretation emptySolution, Collection<LinearTypeConstraintHint> hints, GeneratedPatterns queries,
ModelGenerationStatistics statistics) {
if (!hints.empty && !(scopePropagatorStrategy instanceof ScopePropagatorStrategy.Polyhedral)) {
throw new IllegalArgumentException("Only the Polyhedral scope propagator strategy can use hints.")
}
switch (scopePropagatorStrategy) {
case ScopePropagatorStrategy.None,
case ScopePropagatorStrategy.Basic:
new ScopePropagator(emptySolution, statistics)
case ScopePropagatorStrategy.BasicTypeHierarchy:
new TypeHierarchyScopePropagator(emptySolution, statistics)
ScopePropagatorStrategy.Polyhedral: {
val types = queries.refineObjectQueries.keySet.map[newType].toSet
val allPatternsByName = queries.allQueries.toMap[fullyQualifiedName]
val solver = switch (scopePropagatorStrategy.solver) {
case Z3Integer:
new Z3PolyhedronSolver(false, scopePropagatorStrategy.timeoutSeconds)
case Z3Real:
new Z3PolyhedronSolver(true, scopePropagatorStrategy.timeoutSeconds)
case Cbc:
new CbcPolyhedronSolver(false, scopePropagatorStrategy.timeoutSeconds, true)
case Clp:
new CbcPolyhedronSolver(true, scopePropagatorStrategy.timeoutSeconds, true)
default:
throw new IllegalArgumentException("Unknown polyhedron solver: " +
scopePropagatorStrategy.solver)
}
new PolyhedronScopePropagator(emptySolution, statistics, types, queries.multiplicityConstraintQueries,
queries.hasElementInContainmentQuery, allPatternsByName, hints, solver,
scopePropagatorStrategy.requiresUpperBoundIndexing, scopePropagatorStrategy.updateHeuristic)
}
default:
throw new IllegalArgumentException("Unknown scope propagator strategy: " + scopePropagatorStrategy)
}
}
}
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