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/*
* 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.index.fielddata;
import org.apache.lucene.index.NumericDocValues;
/**
* A per-document numeric value.
*/
public abstract class NumericDoubleValues {
/** Sole constructor. (For invocation by subclass
* constructors, typically implicit.) */
protected NumericDoubleValues() {}
/**
* Returns the numeric value for the specified document ID. This must return
* <tt>0d</tt> if the given doc ID has no value.
* @param docID document ID to lookup
* @return numeric value
*/
public abstract double get(int docID);
// TODO: this interaction with sort comparators is really ugly...
/** Returns numeric docvalues view of raw double bits */
public NumericDocValues getRawDoubleValues() {
return new NumericDocValues() {
@Override
public long get(int docID) {
return Double.doubleToRawLongBits(NumericDoubleValues.this.get(docID));
}
};
}
// yes... this is doing what the previous code was doing...
/** Returns numeric docvalues view of raw float bits */
public NumericDocValues getRawFloatValues() {
return new NumericDocValues() {
@Override
public long get(int docID) {
return Float.floatToRawIntBits((float)NumericDoubleValues.this.get(docID));
}
};
}
}
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