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The Eclipse JNoSQL Query implementation that uses Antlr 4

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/*
 *  Copyright (c) 2018 Otávio Santana and others
 *  All rights reserved. This program and the accompanying materials
 *  are made available under the terms of the Eclipse Public License v1.0
 *  and Apache License v2.0 which accompanies this distribution.
 *  The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
 *  and the Apache License v2.0 is available at http://www.opensource.org/licenses/apache2.0.php.
 *  You may elect to redistribute this code under either of these licenses.
 *  Contributors:
 *  Otavio Santana
 */

package org.jnosql.aphrodite.antlr;

import org.jnosql.diana.api.QueryException;
import org.jnosql.query.Value;

import java.util.Objects;

final class Elements {

    private static final String MESSAGE = "There is an error when trying to convert the value";

    private Elements() {
    }

    static Value getElement(QueryParser.ElementContext elementContext) {
        if (Objects.nonNull(elementContext.string())) {
            return DefaultStringValue.of(elementContext.string());
        }
        if (Objects.nonNull(elementContext.number())) {
            return DefaultNumberValue.of(elementContext.number());
        }
        throw new QueryException(MESSAGE);
    }

}