/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.nifi.attribute.expression.language.evaluation.literals;

import org.apache.nifi.attribute.expression.language.EvaluationContext;
import org.apache.nifi.attribute.expression.language.evaluation.DecimalEvaluator;
import org.apache.nifi.attribute.expression.language.evaluation.DecimalQueryResult;
import org.apache.nifi.attribute.expression.language.evaluation.Evaluator;
import org.apache.nifi.attribute.expression.language.evaluation.QueryResult;


public class DecimalLiteralEvaluator extends DecimalEvaluator {

    private final double literal;

    public DecimalLiteralEvaluator(final String value) {
        this.literal = Double.parseDouble(value);
    }

    @Override
    public QueryResult<Double> evaluate(final EvaluationContext evaluationContext) {
        return new DecimalQueryResult(literal);
    }

    @Override
    public Evaluator<?> getSubjectEvaluator() {
        return null;
    }
}
