/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.script.expression;
import org.apache.lucene.queries.function.FunctionValues;
/**
* A support class for an executable expression script that allows the double returned
* by a {@link FunctionValues} to be modified.
*/
public class ReplaceableConstFunctionValues extends FunctionValues {
private double value = 0;
public void setValue(double value) {
this.value = value;
}
@Override
public double doubleVal(int doc) {
return value;
}
@Override
public String toString(int i) {
return "ReplaceableConstFunctionValues: " + value;
}
}