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/*
* SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.reasoning.literal;
import tools.refinery.store.query.Constraint;
import tools.refinery.store.query.InvalidQueryException;
import tools.refinery.store.query.equality.LiteralEqualityHelper;
import tools.refinery.store.query.literal.Reduction;
import tools.refinery.store.query.term.Parameter;
import tools.refinery.store.query.view.AnySymbolView;
import java.util.List;
public record ModalConstraint(Modality modality, Concreteness concreteness, Constraint constraint)
implements Constraint {
public ModalConstraint {
if (constraint instanceof AnySymbolView || constraint instanceof ModalConstraint) {
throw new InvalidQueryException("Already concrete constraints cannot be abstracted");
}
}
public ModalConstraint(Modality modality, Constraint constraint) {
this(modality, Concreteness.PARTIAL, constraint);
}
@Override
public String name() {
return formatName(constraint.name());
}
@Override
public List<Parameter> getParameters() {
return constraint.getParameters();
}
@Override
public Reduction getReduction() {
return constraint.getReduction();
}
@Override
public boolean equals(LiteralEqualityHelper helper, Constraint other) {
if (getClass() != other.getClass()) {
return false;
}
var otherModalConstraint = (ModalConstraint) other;
return modality == otherModalConstraint.modality &&
concreteness == otherModalConstraint.concreteness &&
constraint.equals(helper, otherModalConstraint.constraint);
}
@Override
public String toReferenceString() {
return formatName(constraint.toReferenceString());
}
@Override
public String toString() {
return formatName(constraint.toString());
}
private String formatName(String constraintName) {
if (concreteness == Concreteness.PARTIAL) {
return "%s %s".formatted(modality, constraintName);
}
return "%s %s %s".formatted(modality, concreteness, constraintName);
}
public static Constraint of(Modality modality, Concreteness concreteness, Constraint constraint) {
if (constraint instanceof AnySymbolView || constraint instanceof ModalConstraint) {
// Symbol views and lifted constraints are already concrete. Thus, they cannot be abstracted at all.
return constraint;
}
return new ModalConstraint(modality, concreteness, constraint);
}
}
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