org.elasticsearch.index.fielddata.plain.GeoPointBinaryDVIndexFieldData Maven / Gradle / Ivy

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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.AtomicReaderContext;
import org.apache.lucene.index.DocValues;
import org.elasticsearch.ElasticsearchIllegalArgumentException;
import org.elasticsearch.ElasticsearchIllegalStateException;
import org.elasticsearch.common.Nullable;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.fielddata.*;
import org.elasticsearch.index.fielddata.IndexFieldData.XFieldComparatorSource.Nested;
import org.elasticsearch.index.mapper.FieldMapper;
import org.elasticsearch.index.mapper.FieldMapper.Names;
import org.elasticsearch.index.mapper.MapperService;
import org.elasticsearch.indices.breaker.CircuitBreakerService;
import org.elasticsearch.search.MultiValueMode;

import java.io.IOException;

public class GeoPointBinaryDVIndexFieldData extends DocValuesIndexFieldData implements IndexGeoPointFieldData {

    public GeoPointBinaryDVIndexFieldData(Index index, Names fieldNames, FieldDataType fieldDataType) {
        super(index, fieldNames, fieldDataType);
    }

    @Override
    public final XFieldComparatorSource comparatorSource(@Nullable Object missingValue, MultiValueMode sortMode, Nested nested) {
        throw new ElasticsearchIllegalArgumentException("can't sort on geo_point field without using specific sorting feature, like geo_distance");
    }

    @Override
    public AtomicGeoPointFieldData load(AtomicReaderContext context) {
        try {
            return new GeoPointBinaryDVAtomicFieldData(DocValues.getBinary(context.reader(), fieldNames.indexName()));
        } catch (IOException e) {
            throw new ElasticsearchIllegalStateException("Cannot load doc values", e);
        }
    }

    @Override
    public AtomicGeoPointFieldData loadDirect(AtomicReaderContext context) throws Exception {
        return load(context);
    }

    public static class Builder implements IndexFieldData.Builder {

        @Override
        public IndexFieldData build(Index index, Settings indexSettings, FieldMapper mapper, IndexFieldDataCache cache,
                                       CircuitBreakerService breakerService, MapperService mapperService) {
            // Ignore breaker
            final FieldMapper.Names fieldNames = mapper.names();
            return new GeoPointBinaryDVIndexFieldData(index, fieldNames, mapper.fieldDataType());
        }

    }
}