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/*
* SPDX-FileCopyrightText: 2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.reasoning.scope;
import tools.refinery.store.query.dnf.AnyQuery;
import tools.refinery.store.query.dnf.Query;
import tools.refinery.store.query.dnf.RelationalQuery;
import tools.refinery.store.reasoning.representation.PartialRelation;
import java.util.Collection;
import java.util.List;
import static tools.refinery.store.reasoning.literal.PartialLiterals.must;
import static tools.refinery.store.reasoning.translator.multiobject.MultiObjectTranslator.MULTI_VIEW;
class UpperTypeScopePropagator extends TypeScopePropagator {
private final int upperBound;
private UpperTypeScopePropagator(BoundScopePropagator adapter, int upperBound, RelationalQuery allQuery,
RelationalQuery multiQuery) {
super(adapter, allQuery, multiQuery);
this.upperBound = upperBound;
}
@Override
public void updateBounds() {
constraint.setUb(upperBound - getSingleCount());
}
public static class Factory extends TypeScopePropagator.Factory {
private final int upperBound;
private final RelationalQuery allMust;
private final RelationalQuery multiMust;
public Factory(PartialRelation type, int upperBound) {
this.upperBound = upperBound;
allMust = Query.of(type.name() + "#must", (builder, instance) -> builder.clause(
must(type.call(instance))
));
multiMust = Query.of(type.name() + "#multiMust", (builder, instance) -> builder.clause(
must(type.call(instance)),
MULTI_VIEW.call(instance)
));
}
@Override
public TypeScopePropagator createPropagator(BoundScopePropagator adapter) {
return new UpperTypeScopePropagator(adapter, upperBound, allMust, multiMust);
}
@Override
protected Collection<AnyQuery> getQueries() {
return List.of(allMust, multiMust);
}
}
}
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