/*
* 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 java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.apache.lucene.index.DocValues;
import org.apache.lucene.index.RandomAccessOrds;
import org.apache.lucene.index.SortedDocValues;
import org.apache.lucene.util.Accountable;
import org.apache.lucene.util.Accountables;
import org.apache.lucene.util.BitSet;
import org.apache.lucene.util.RamUsageEstimator;
import org.elasticsearch.common.geo.GeoPoint;
import org.elasticsearch.common.util.DoubleArray;
import org.elasticsearch.index.fielddata.FieldData;
import org.elasticsearch.index.fielddata.GeoPointValues;
import org.elasticsearch.index.fielddata.MultiGeoPointValues;
import org.elasticsearch.index.fielddata.ordinals.Ordinals;
/**
*/
public abstract class GeoPointDoubleArrayAtomicFieldData extends AbstractAtomicGeoPointFieldData {
@Override
public void close() {
}
static class WithOrdinals extends GeoPointDoubleArrayAtomicFieldData {
private final DoubleArray lon, lat;
private final Ordinals ordinals;
private final int maxDoc;
public WithOrdinals(DoubleArray lon, DoubleArray lat, Ordinals ordinals, int maxDoc) {
super();
this.lon = lon;
this.lat = lat;
this.ordinals = ordinals;
this.maxDoc = maxDoc;
}
@Override
public long ramBytesUsed() {
return RamUsageEstimator.NUM_BYTES_INT/*size*/ + lon.ramBytesUsed() + lat.ramBytesUsed();
}
@Override
public Iterable<? extends Accountable> getChildResources() {
List<Accountable> resources = new ArrayList<>();
resources.add(Accountables.namedAccountable("latitude", lat));
resources.add(Accountables.namedAccountable("longitude", lon));
return Collections.unmodifiableList(resources);
}
@Override
public MultiGeoPointValues getGeoPointValues() {
final RandomAccessOrds ords = ordinals.ordinals();
final SortedDocValues singleOrds = DocValues.unwrapSingleton(ords);
if (singleOrds != null) {
final GeoPoint point = new GeoPoint();
final GeoPointValues values = new GeoPointValues() {
@Override
public GeoPoint get(int docID) {
final int ord = singleOrds.getOrd(docID);
if (ord >= 0) {
point.reset(lat.get(ord), lon.get(ord));
}
return point;
}
};
return FieldData.singleton(values, DocValues.docsWithValue(singleOrds, maxDoc));
} else {
final GeoPoint point = new GeoPoint();
return new MultiGeoPointValues() {
@Override
public GeoPoint valueAt(int index) {
final long ord = ords.ordAt(index);
point.reset(lat.get(ord), lon.get(ord));
return point;
}
@Override
public void setDocument(int docId) {
ords.setDocument(docId);
}
@Override
public int count() {
return ords.cardinality();
}
};
}
}
}
/**
* Assumes unset values are marked in bitset, and docId is used as the index to the value array.
*/
public static class Single extends GeoPointDoubleArrayAtomicFieldData {
private final DoubleArray lon, lat;
private final BitSet set;
public Single(DoubleArray lon, DoubleArray lat, BitSet set) {
this.lon = lon;
this.lat = lat;
this.set = set;
}
@Override
public long ramBytesUsed() {
return RamUsageEstimator.NUM_BYTES_INT/*size*/ + lon.ramBytesUsed() + lat.ramBytesUsed() + (set == null ? 0 : set.ramBytesUsed());
}
@Override
public Iterable<? extends Accountable> getChildResources() {
List<Accountable> resources = new ArrayList<>();
resources.add(Accountables.namedAccountable("latitude", lat));
resources.add(Accountables.namedAccountable("longitude", lon));
if (set != null) {
resources.add(Accountables.namedAccountable("missing bitset", set));
}
return Collections.unmodifiableList(resources);
}
@Override
public MultiGeoPointValues getGeoPointValues() {
final GeoPoint point = new GeoPoint();
final GeoPointValues values = new GeoPointValues() {
@Override
public GeoPoint get(int docID) {
point.reset(lat.get(docID), lon.get(docID));
return point;
}
};
return FieldData.singleton(values, set);
}
}
}