/*
* 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.SortedNumericDocValues;
import org.apache.lucene.util.NumericUtils;
/**
* {@link SortedNumericDocValues} instance that wraps a {@link SortedNumericDoubleValues}
* and converts the doubles to sortable long bits using
* {@link NumericUtils#doubleToSortableLong(double)}.
*/
final class SortableLongBitsSortedNumericDocValues extends SortedNumericDocValues {
private final SortedNumericDoubleValues values;
SortableLongBitsSortedNumericDocValues(SortedNumericDoubleValues values) {
this.values = values;
}
@Override
public void setDocument(int doc) {
values.setDocument(doc);
}
@Override
public long valueAt(int index) {
return NumericUtils.doubleToSortableLong(values.valueAt(index));
}
@Override
public int count() {
return values.count();
}
/** Return the wrapped values. */
public SortedNumericDoubleValues getDoubleValues() {
return values;
}
}