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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.reasoning.representation.PartialRelation;
import tools.refinery.store.reasoning.translator.TranslationException;
import tools.refinery.store.representation.cardinality.CardinalityInterval;
import tools.refinery.store.representation.cardinality.CardinalityIntervals;
import tools.refinery.store.representation.cardinality.NonEmptyCardinalityInterval;
public record ConstrainedMultiplicity(NonEmptyCardinalityInterval multiplicity, PartialRelation errorSymbol)
implements Multiplicity {
public ConstrainedMultiplicity {
if (multiplicity.equals(CardinalityIntervals.SET)) {
throw new TranslationException(errorSymbol, "Expected a constrained cardinality interval");
}
if (errorSymbol.arity() != 1) {
throw new TranslationException(errorSymbol, "Expected error symbol %s to have arity 1, got %d instead"
.formatted(errorSymbol, errorSymbol.arity()));
}
}
public static ConstrainedMultiplicity of(CardinalityInterval multiplicity, PartialRelation errorSymbol) {
if (!(multiplicity instanceof NonEmptyCardinalityInterval nonEmptyCardinalityInterval)) {
throw new TranslationException(errorSymbol, "Inconsistent multiplicity");
}
return new ConstrainedMultiplicity(nonEmptyCardinalityInterval, errorSymbol);
}
@Override
public boolean isConstrained() {
return true;
}
}
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