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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.opposite;
import tools.refinery.logic.literal.AbstractCallLiteral;
import tools.refinery.logic.literal.Literal;
import tools.refinery.logic.term.Variable;
import tools.refinery.store.model.ModelStoreBuilder;
import tools.refinery.store.model.ModelStoreConfiguration;
import tools.refinery.store.reasoning.interpretation.PartialRelationRewriter;
import tools.refinery.store.reasoning.literal.Concreteness;
import tools.refinery.store.reasoning.literal.ModalConstraint;
import tools.refinery.store.reasoning.literal.Modality;
import tools.refinery.store.reasoning.refinement.RefinementBasedInitializer;
import tools.refinery.store.reasoning.representation.PartialRelation;
import tools.refinery.store.reasoning.translator.PartialRelationTranslator;
import tools.refinery.store.reasoning.translator.TranslationException;
import java.util.List;
import java.util.Set;
public class OppositeRelationTranslator implements ModelStoreConfiguration, PartialRelationRewriter {
private final PartialRelation linkType;
private final PartialRelation opposite;
public OppositeRelationTranslator(PartialRelation linkType, PartialRelation opposite) {
if (linkType.arity() != 2) {
throw new TranslationException(linkType,
"Expected relation with opposite %s to have arity 2, got %d instead"
.formatted(linkType, linkType.arity()));
}
if (opposite.arity() != 2) {
throw new TranslationException(linkType,
"Expected opposite %s of %s to have arity 2, got %d instead"
.formatted(opposite, linkType, opposite.arity()));
}
this.linkType = linkType;
this.opposite = opposite;
}
@Override
public void apply(ModelStoreBuilder storeBuilder) {
storeBuilder.with(PartialRelationTranslator.of(linkType)
.rewriter(this)
.interpretation(OppositeInterpretation.of(opposite))
.refiner(OppositeRefiner.of(opposite))
.initializer(new RefinementBasedInitializer<>(linkType)));
}
@Override
public List<Literal> rewriteLiteral(Set<Variable> positiveVariables, AbstractCallLiteral literal,
Modality modality, Concreteness concreteness) {
var arguments = literal.getArguments();
var newArguments = List.of(arguments.get(1), arguments.get(0));
var modalOpposite = new ModalConstraint(modality, concreteness, opposite);
var oppositeLiteral = literal.withArguments(modalOpposite, newArguments);
return List.of(oppositeLiteral);
}
}
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