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package hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.patterns
import hu.bme.mit.inf.dslreasoner.logic.model.logiclanguage.RelationDeclaration
import hu.bme.mit.inf.dslreasoner.logic.model.logiclanguage.RelationDefinition
import java.util.Map
import org.eclipse.emf.ecore.EReference
import org.eclipse.viatra.query.runtime.matchers.psystem.queries.PQuery
import org.eclipse.xtend.lib.annotations.Accessors
import hu.bme.mit.inf.dslreasoner.viatra2logic.viatra2logicannotations.TransfomedViatraQuery
import static extension hu.bme.mit.inf.dslreasoner.util.CollectionsUtil.*
import hu.bme.mit.inf.dslreasoner.logic.model.logicproblem.LogicProblem
import org.eclipse.emf.ecore.EAttribute
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.Modality
import hu.bme.mit.inf.dslreasoner.viatrasolver.partialinterpretationlanguage.partialinterpretation.PartialInterpretation
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.TypeInferenceMethod
import hu.bme.mit.inf.dslreasoner.viatrasolver.logic2viatra.TypeAnalysisResult
import hu.bme.mit.inf.dslreasoner.ecore2logic.ecore2logicannotations.LowerMultiplicityAssertion
import hu.bme.mit.inf.dslreasoner.viatra2logic.viatra2logicannotations.TransformedViatraWellformednessConstraint
import java.util.HashMap
import java.util.HashSet
import hu.bme.mit.inf.dslreasoner.ecore2logic.ecore2logicannotations.InverseRelationAssertion
import hu.bme.mit.inf.dslreasoner.logic.model.logiclanguage.Relation
import hu.bme.mit.inf.dslreasoner.viatra2logic.viatra2logicannotations.DefinedByDerivedFeature
class PatternGenerator {
@Accessors(PUBLIC_GETTER) val TypeIndexer typeIndexer //= new TypeIndexer(this)
@Accessors(PUBLIC_GETTER) val RelationDeclarationIndexer relationDeclarationIndexer = new RelationDeclarationIndexer(this)
@Accessors(PUBLIC_GETTER) val RelationDefinitionIndexer relationDefinitionIndexer = new RelationDefinitionIndexer(this)
@Accessors(PUBLIC_GETTER) val ContainmentIndexer containmentIndexer = new ContainmentIndexer(this)
@Accessors(PUBLIC_GETTER) val InvalidIndexer invalidIndexer = new InvalidIndexer(this)
@Accessors(PUBLIC_GETTER) val UnfinishedIndexer unfinishedIndexer = new UnfinishedIndexer(this)
@Accessors(PUBLIC_GETTER) val TypeRefinementGenerator typeRefinementGenerator //= new RefinementGenerator(this)
@Accessors(PUBLIC_GETTER) val RelationRefinementGenerator relationRefinementGenerator = new RelationRefinementGenerator(this)
public new(TypeInferenceMethod typeInferenceMethod) {
if(typeInferenceMethod == TypeInferenceMethod.Generic) {
this.typeIndexer = new GenericTypeIndexer(this)
this.typeRefinementGenerator = new GenericTypeRefinementGenerator(this)
} else if(typeInferenceMethod == TypeInferenceMethod.PreliminaryAnalysis) {
this.typeIndexer = new TypeIndexerWithPreliminaryTypeAnalysis(this)
this.typeRefinementGenerator = new TypeRefinementWithPreliminaryTypeAnalysis(this)
} else {
this.typeIndexer = null
this.typeRefinementGenerator = null
throw new IllegalArgumentException('''Unknown type indexing technique : «typeInferenceMethod.name»''')
}
}
public def requiresTypeAnalysis() {
typeIndexer.requiresTypeAnalysis || typeRefinementGenerator.requiresTypeAnalysis
}
public dispatch def referRelation(
RelationDeclaration referred,
String sourceVariable,
String targetVariable,
Modality modality,
Map<String,PQuery> fqn2PQuery)
{
return this.relationDeclarationIndexer.referRelation(referred,sourceVariable,targetVariable,modality)
}
public dispatch def referRelation(
RelationDefinition referred,
String sourceVariable,
String targetVariable,
Modality modality,
Map<String,PQuery> fqn2PQuery)
{
val pattern = referred.annotations.filter(TransfomedViatraQuery).head.patternFullyQualifiedName.lookup(fqn2PQuery)
return this.relationDefinitionIndexer.referPattern(pattern,#[sourceVariable,targetVariable],modality,true,false)
}
def public referRelationByName(EReference reference,
String sourceVariable,
String targetVariable,
Modality modality)
{
'''find «modality.name.toLowerCase»InRelation«canonizeName('''inreference «reference.name» «reference.EContainingClass.name»''')
»(problem,interpretation,«sourceVariable»,«targetVariable»);'''
}
def public CharSequence referAttributeByName(EAttribute attribute,
String sourceVariable,
String targetVariable,
Modality modality)
{
throw new UnsupportedOperationException
}
public def canonizeName(String name) {
name.split(' ').join('_')
}
public def lowerMultiplicities(LogicProblem problem) {
problem.assertions.map[annotations].flatten.filter(LowerMultiplicityAssertion).filter[!it.relation.isDerived]
}
public def wfQueries(LogicProblem problem) {
problem.assertions.map[it.annotations]
.flatten
.filter(TransformedViatraWellformednessConstraint)
.map[it.query]
}
public def getContainments(LogicProblem p) {
return p.containmentHierarchies.head.containmentRelations
}
public def getInverseRelations(LogicProblem p) {
val inverseRelations = new HashMap
p.annotations.filter(InverseRelationAssertion).forEach[
inverseRelations.put(it.inverseA,it.inverseB)
inverseRelations.put(it.inverseB,it.inverseA)
]
return inverseRelations
}
public def isRepresentative(Relation relation, Relation inverse) {
if(inverse == null) {
return true
} else {
relation.name.compareTo(inverse.name)<1
}
}
public def isDerived(Relation relation) {
relation.annotations.exists[it instanceof DefinedByDerivedFeature]
}
public def getDerivedDefinition(RelationDeclaration relation) {
relation.annotations.filter(DefinedByDerivedFeature).head.query
}
public def transformBaseProperties(
LogicProblem problem,
PartialInterpretation emptySolution,
Map<String,PQuery> fqn2PQuery,
TypeAnalysisResult typeAnalysisResult
) {
return '''
import epackage "http://www.bme.hu/mit/inf/dslreasoner/viatrasolver/partialinterpretationlanguage"
import epackage "http://www.bme.hu/mit/inf/dslreasoner/logic/model/problem"
import epackage "http://www.bme.hu/mit/inf/dslreasoner/logic/model/language"
//////////
// 0. Util
//////////
private pattern interpretation(problem:LogicProblem, interpetation:PartialInterpretation) {
PartialInterpretation.problem(interpetation,problem);
}
/////////////////////////
// 0.1 Existance
/////////////////////////
private pattern mustExist(problem:LogicProblem, interpetation:PartialInterpretation, element:DefinedElement) {
find interpretation(problem,interpetation);
LogicProblem.elements(problem,element);
} or {
find interpretation(problem,interpetation);
PartialInterpretation.newElements(interpetation,element);
}
private pattern mayExist(problem:LogicProblem, interpetation:PartialInterpretation, element:DefinedElement) {
find mustExist(problem,interpetation,element);
} or {
find interpretation(problem,interpetation);
neg find closeWorld(interpetation);
PartialInterpretation.openWorldElementPrototype(interpetation,element);
}
private pattern closeWorld(interpetation:PartialInterpretation) {
PartialInterpretation.maxNewElements(interpetation,0);
}
////////////////////////
// 0.2 Equivalence
////////////////////////
pattern mayEquivalent(problem:LogicProblem, interpretation:PartialInterpretation, a: DefinedElement, b: DefinedElement) {
find mayExist(problem,interpretation,a);
find mayExist(problem,interpretation,b);
a == b;
}
////////////////////////
// 0.3 Required Patterns by TypeIndexer
////////////////////////
«typeIndexer.requiredQueries»
//////////
// 1. Problem-Specific Base Indexers
//////////
// 1.1 Type Indexers
//////////
«typeIndexer.generateInstanceOfQueries(problem,emptySolution,typeAnalysisResult)»
//////////
// 1.2 Relation Declaration Indexers
//////////
«relationDeclarationIndexer.generateRelationIndexers(problem,problem.relations.filter(RelationDeclaration),fqn2PQuery)»
//////////
// 1.3 Relation Definition Indexers
//////////
«relationDefinitionIndexer.generateRelationDefinitions(problem,problem.relations.filter(RelationDefinition),fqn2PQuery)»
//////////
// 1.4 Containment Indexer
//////////
«containmentIndexer.transformContainment(problem,problem.relations,fqn2PQuery)»
//////////
// 2. Invalidation Indexers
//////////
// 2.1 Invalidated by WF Queries
//////////
«invalidIndexer.generateInvalidatedByWfQueries(problem,fqn2PQuery)»
//////////
// 3. Unfinishedness Indexers
//////////
// 3.1 Unfinishedness Measured by Multiplicity
//////////
«unfinishedIndexer.generateUnfinishedMultiplicityQueries(problem,fqn2PQuery)»
//////////
// 3.2 Unfinishedness Measured by WF Queries
//////////
«unfinishedIndexer.generateUnfinishedWfQueries(problem,fqn2PQuery)»
//////////
// 4. Refinement Indexers
//////////
// 4.1 Object constructors
//////////
«typeRefinementGenerator.generateRefineObjectQueries(problem,emptySolution,typeAnalysisResult)»
//////////
// 4.2 Type refinement
//////////
«typeRefinementGenerator.generateRefineTypeQueries(problem,emptySolution,typeAnalysisResult)»
//////////
// 4.3 Relation refinement
//////////
«relationRefinementGenerator.generateRefineReference(problem)»
'''
}
}
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