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/*
* SPDX-FileCopyrightText: 2021-2023 The Refinery Authors <https://refinery.tools/>
*
* SPDX-License-Identifier: EPL-2.0
*/
package tools.refinery.store.query.interpreter.internal.pquery;
import tools.refinery.logic.term.Term;
import tools.refinery.logic.term.Variable;
import tools.refinery.interpreter.matchers.psystem.IExpressionEvaluator;
import tools.refinery.interpreter.matchers.psystem.IValueProvider;
import java.util.stream.Collectors;
class TermEvaluator<T> implements IExpressionEvaluator {
private final Term<T> term;
public TermEvaluator(Term<T> term) {
this.term = term;
}
@Override
public String getShortDescription() {
return term.toString();
}
@Override
public Iterable<String> getInputParameterNames() {
return term.getInputVariables().stream().map(Variable::getUniqueName).collect(Collectors.toUnmodifiableSet());
}
@Override
public Object evaluateExpression(IValueProvider provider) {
var valuation = new ValueProviderBasedValuation(provider);
return term.evaluate(valuation);
}
}
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