subprojects/store-query/src/main/java/tools/refinery/store/query/term/real/RealArithmeticUnaryTerm.java


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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.term.real;

import tools.refinery.store.query.substitution.Substitution;
import tools.refinery.store.query.term.ArithmeticUnaryOperator;
import tools.refinery.store.query.term.ArithmeticUnaryTerm;
import tools.refinery.store.query.term.Term;

public class RealArithmeticUnaryTerm extends ArithmeticUnaryTerm<Double> {
	public RealArithmeticUnaryTerm(ArithmeticUnaryOperator operation, Term<Double> body) {
		super(operation, body);
	}

	@Override
	public Class<Double> getType() {
		return Double.class;
	}

	@Override
	protected Term<Double> doSubstitute(Substitution substitution, Term<Double> substitutedBody) {
		return new RealArithmeticUnaryTerm(getOperator(), substitutedBody);
	}

	@Override
	protected Double doEvaluate(Double bodyValue) {
		return switch(getOperator()) {
			case PLUS -> bodyValue;
			case MINUS -> -bodyValue;
		};
	}
}