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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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package org.apache.solr.search.function;
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import org.apache.lucene.index.IndexReader;
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import java.io.IOException;
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public class DoubleConstValueSource extends ConstNumberSource {
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final double constant;
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private final float fv;
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private final long lv;
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public DoubleConstValueSource(double constant) {
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this.constant = constant;
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this.fv = (float)constant;
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this.lv = (long)constant;
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public String description() {
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return "const(" + constant + ")";
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public DocValues getValues(Map context, IndexReader reader) throws IOException {
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return new DocValues() {
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public float floatVal(int doc) {
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public int intVal(int doc) {
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public long longVal(int doc) {
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public double doubleVal(int doc) {
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public String strVal(int doc) {
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return Double.toString(constant);
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public String toString(int doc) {
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public int hashCode() {
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long bits = Double.doubleToRawLongBits(constant);
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return (int)(bits ^ (bits >>> 32));
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public boolean equals(Object o) {
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if (!(o instanceof DoubleConstValueSource)) return false;
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DoubleConstValueSource other = (DoubleConstValueSource) o;
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return this.constant == other.constant;
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public long getLong() {
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public float getFloat() {
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public double getDouble() {
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public Number getNumber() {