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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.plain;
import org.apache.lucene.index.SortedNumericDocValues;
import org.apache.lucene.util.Accountable;
import org.apache.lucene.util.ArrayUtil;
import org.apache.lucene.util.RamUsageEstimator;
import org.elasticsearch.common.geo.GeoPoint;
import org.elasticsearch.index.fielddata.MultiGeoPointValues;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
final class GeoPointDVAtomicFieldData extends AbstractAtomicGeoPointFieldData {
private final SortedNumericDocValues values;
GeoPointDVAtomicFieldData(SortedNumericDocValues values) {
super();
this.values = values;
}
@Override
public long ramBytesUsed() {
return 0; // not exposed by Lucene
}
@Override
public Collection<Accountable> getChildResources() {
return Collections.emptyList();
}
@Override
public void close() {
// no-op
}
@Override
public MultiGeoPointValues getGeoPointValues() {
return new MultiGeoPointValues() {
GeoPoint[] points = new GeoPoint[0];
private int count = 0;
@Override
public void setDocument(int docId) {
values.setDocument(docId);
count = values.count();
if (count > points.length) {
final int previousLength = points.length;
points = Arrays.copyOf(points, ArrayUtil.oversize(count, RamUsageEstimator.NUM_BYTES_OBJECT_REF));
for (int i = previousLength; i < points.length; ++i) {
points[i] = new GeoPoint(Double.NaN, Double.NaN);
}
}
for (int i=0; i<count; ++i) {
points[i].resetFromIndexHash(values.valueAt(i));
}
}
@Override
public int count() {
return count;
}
@Override
public GeoPoint valueAt(int index) {
return points[index];
}
};
}
}
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