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/*
* SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.reasoning.interpretation;
import tools.refinery.store.query.dnf.RelationalQuery;
import tools.refinery.store.query.literal.AbstractCallLiteral;
import tools.refinery.store.query.literal.Literal;
import tools.refinery.store.query.term.Variable;
import tools.refinery.store.reasoning.literal.Concreteness;
import tools.refinery.store.reasoning.literal.Modality;
import java.util.List;
import java.util.Set;
public class QueryBasedRelationRewriter implements PartialRelationRewriter {
private final RelationalQuery may;
private final RelationalQuery must;
private final RelationalQuery candidateMay;
private final RelationalQuery candidateMust;
public QueryBasedRelationRewriter(RelationalQuery may, RelationalQuery must, RelationalQuery candidateMay,
RelationalQuery candidateMust) {
this.may = may;
this.must = must;
this.candidateMay = candidateMay;
this.candidateMust = candidateMust;
}
public RelationalQuery getMay() {
return may;
}
public RelationalQuery getMust() {
return must;
}
public RelationalQuery getCandidateMay() {
return candidateMay;
}
public RelationalQuery getCandidateMust() {
return candidateMust;
}
@Override
public List<Literal> rewriteLiteral(Set<Variable> positiveVariables, AbstractCallLiteral literal,
Modality modality, Concreteness concreteness) {
var query = switch (concreteness) {
case PARTIAL -> switch (modality) {
case MAY -> may;
case MUST -> must;
};
case CANDIDATE -> switch (modality) {
case MAY -> candidateMay;
case MUST -> candidateMust;
};
};
return List.of(literal.withTarget(query.getDnf()));
}
}
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