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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.crossreference;
import tools.refinery.store.reasoning.ReasoningAdapter;
import tools.refinery.store.reasoning.refinement.ConcreteSymbolRefiner;
import tools.refinery.store.reasoning.refinement.PartialInterpretationRefiner;
import tools.refinery.store.reasoning.representation.PartialRelation;
import tools.refinery.store.reasoning.representation.PartialSymbol;
import tools.refinery.store.representation.Symbol;
import tools.refinery.store.representation.TruthValue;
import tools.refinery.store.tuple.Tuple;
class UndirectedCrossReferenceRefiner extends ConcreteSymbolRefiner<TruthValue, Boolean> {
private final PartialInterpretationRefiner<TruthValue, Boolean> sourceRefiner;
public UndirectedCrossReferenceRefiner(ReasoningAdapter adapter, PartialSymbol<TruthValue, Boolean> partialSymbol,
Symbol<TruthValue> concreteSymbol, PartialRelation sourceType) {
super(adapter, partialSymbol, concreteSymbol);
sourceRefiner = adapter.getRefiner(sourceType);
}
@Override
public boolean merge(Tuple key, TruthValue value) {
int source = key.get(0);
int target = key.get(1);
if (!super.merge(key, value) || !super.merge(Tuple.of(target, source), value)) {
return false;
}
if (value.must()) {
return sourceRefiner.merge(Tuple.of(source), TruthValue.TRUE) &&
sourceRefiner.merge(Tuple.of(target), TruthValue.TRUE);
}
return true;
}
public static Factory<TruthValue, Boolean> of(Symbol<TruthValue> concreteSymbol, PartialRelation sourceType) {
return (adapter, partialSymbol) -> new UndirectedCrossReferenceRefiner(adapter, partialSymbol, concreteSymbol,
sourceType);
}
}
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