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package hu.bme.mit.inf.dslreasoner.application.validation
import hu.bme.mit.inf.dslreasoner.ecore2logic.EcoreMetamodelDescriptor
import hu.bme.mit.inf.dslreasoner.viatra2logic.ViatraQuerySetDescriptor
import java.util.LinkedList
import java.util.List
import java.util.Set
import org.eclipse.emf.ecore.ENamedElement
import org.eclipse.viatra.query.patternlanguage.emf.vql.Pattern
class QueryAndMetamodelValidator {
def public validateQueryAndMetamodel(
EcoreMetamodelDescriptor metamodel,
Pair<ViatraQuerySetDescriptor, Set<Pattern>> viatra)
{
val patterns = viatra.value
val elementsInMetamodel =
(metamodel.classes +
metamodel.enums +
metamodel.literals+
metamodel.attributes +
metamodel.references)
.toSet
val errors = new LinkedList
for(pattern : patterns) {
val elements = getReferredNamedElements(pattern)
for(element : elements) {
if(!elementsInMetamodel.contains(element)) {
errors+='''Pattern "«pattern.name»" refers to an element "«element»" that is not included to the selected metamodel!'''
}
}
}
return errors
}
def getReferredNamedElements(Pattern pattern) {
val elements = pattern.eAllContents.toList
return elements.map[element|
val references = element.eClass.EAllReferences
return references.map[r |
if(r.isMany) {
return (element.eGet(r) as List<?>).filter(ENamedElement)
} else {
val value = element.eGet(r)
if(value instanceof ENamedElement) return #[value]
else return #[]
}
].flatten.filter(ENamedElement)
].flatten
}
}
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