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/*
* SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.reasoning.translator.multiplicity;
import tools.refinery.store.model.ModelStoreBuilder;
import tools.refinery.store.model.ModelStoreConfiguration;
import tools.refinery.store.query.dnf.Query;
import tools.refinery.store.query.term.Variable;
import tools.refinery.store.query.term.int_.IntTerms;
import tools.refinery.store.reasoning.lifting.DnfLifter;
import tools.refinery.store.reasoning.literal.*;
import tools.refinery.store.reasoning.representation.PartialRelation;
import tools.refinery.store.reasoning.translator.PartialRelationTranslator;
import tools.refinery.store.reasoning.translator.TranslationException;
import tools.refinery.store.representation.cardinality.FiniteUpperCardinality;
import tools.refinery.store.representation.cardinality.UpperCardinalities;
import tools.refinery.store.representation.cardinality.UpperCardinality;
import java.util.List;
import static tools.refinery.store.query.literal.Literals.check;
import static tools.refinery.store.query.term.int_.IntTerms.greater;
import static tools.refinery.store.query.term.uppercardinality.UpperCardinalityTerms.constant;
import static tools.refinery.store.query.term.uppercardinality.UpperCardinalityTerms.less;
import static tools.refinery.store.reasoning.literal.PartialLiterals.candidateMust;
import static tools.refinery.store.reasoning.literal.PartialLiterals.must;
public class InvalidMultiplicityErrorTranslator implements ModelStoreConfiguration {
private final PartialRelation nodeType;
private final PartialRelation linkType;
private final boolean inverse;
private final Multiplicity multiplicity;
public InvalidMultiplicityErrorTranslator(PartialRelation nodeType, PartialRelation linkType,
boolean inverse, Multiplicity multiplicity) {
if (nodeType.arity() != 1) {
throw new TranslationException(linkType, "Node type must be of arity 1, got %s with arity %d instead"
.formatted(nodeType, nodeType.arity()));
}
if (linkType.arity() != 2) {
throw new TranslationException(linkType, "Link type must be of arity 2, got %s with arity %d instead"
.formatted(linkType, linkType.arity()));
}
this.nodeType = nodeType;
this.linkType = linkType;
this.inverse = inverse;
this.multiplicity = multiplicity;
}
@Override
public void apply(ModelStoreBuilder storeBuilder) {
if (!(multiplicity instanceof ConstrainedMultiplicity constrainedMultiplicity)) {
return;
}
var name = constrainedMultiplicity.errorSymbol().name();
var cardinalityInterval = constrainedMultiplicity.multiplicity();
var node = Variable.of("node");
var other = Variable.of("other");
List<Variable> arguments = inverse ? List.of(other, node) : List.of(node, other);
var mustBuilder = Query.builder(DnfLifter.decorateName(name, Modality.MUST, Concreteness.PARTIAL))
.parameter(node);
var candidateMayBuilder = Query.builder(DnfLifter.decorateName(name, Modality.MAY, Concreteness.PARTIAL))
.parameter(node);
var candidateMustBuilder = Query.builder(DnfLifter.decorateName(name, Modality.MUST, Concreteness.PARTIAL))
.parameter(node);
int lowerBound = cardinalityInterval.lowerBound();
if (lowerBound > 0) {
var lowerBoundCardinality = UpperCardinalities.atMost(lowerBound);
mustBuilder.clause(UpperCardinality.class, existingContents -> List.of(
must(nodeType.call(node)),
new CountUpperBoundLiteral(existingContents, linkType, arguments),
check(less(existingContents, constant(lowerBoundCardinality)))
));
candidateMayBuilder.clause(Integer.class, existingContents -> List.of(
candidateMust(nodeType.call(node)),
new CountCandidateLowerBoundLiteral(existingContents, linkType, arguments),
check(IntTerms.less(existingContents, IntTerms.constant(lowerBound)))
));
candidateMustBuilder.clause(Integer.class, existingContents -> List.of(
candidateMust(nodeType.call(node)),
new CountCandidateUpperBoundLiteral(existingContents, linkType, arguments),
check(IntTerms.less(existingContents, IntTerms.constant(lowerBound)))
));
}
if (cardinalityInterval.upperBound() instanceof FiniteUpperCardinality finiteUpperCardinality) {
int upperBound = finiteUpperCardinality.finiteUpperBound();
mustBuilder.clause(Integer.class, existingContents -> List.of(
must(nodeType.call(node)),
new CountLowerBoundLiteral(existingContents, linkType, arguments),
check(greater(existingContents, IntTerms.constant(upperBound)))
));
candidateMayBuilder.clause(Integer.class, existingContents -> List.of(
candidateMust(nodeType.call(node)),
new CountCandidateUpperBoundLiteral(existingContents, linkType, arguments),
check(greater(existingContents, IntTerms.constant(upperBound)))
));
candidateMustBuilder.clause(Integer.class, existingContents -> List.of(
candidateMust(nodeType.call(node)),
new CountCandidateLowerBoundLiteral(existingContents, linkType, arguments),
check(greater(existingContents, IntTerms.constant(upperBound)))
));
}
storeBuilder.with(PartialRelationTranslator.of(constrainedMultiplicity.errorSymbol())
.mayNever()
.must(mustBuilder.build())
.candidateMay(candidateMayBuilder.build())
.candidateMust(candidateMustBuilder.build()));
}
}
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