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/*
* SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.logic.valuation;
import org.jetbrains.annotations.Nullable;
import tools.refinery.logic.substitution.Substitution;
import tools.refinery.logic.term.AnyDataVariable;
import tools.refinery.logic.term.DataVariable;
import java.util.Map;
import java.util.Set;
public interface Valuation {
<T> T getValue(DataVariable<T> variable);
default Valuation substitute(@Nullable Substitution substitution) {
if (substitution == null) {
return this;
}
return new SubstitutedValuation(this, substitution);
}
default Valuation restrict(Set<? extends AnyDataVariable> allowedVariables) {
return new RestrictedValuation(this, Set.copyOf(allowedVariables));
}
static ValuationBuilder builder() {
return new ValuationBuilder();
}
static Valuation empty() {
return new MapBasedValuation(Map.of());
}
}
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