org.elasticsearch.search.aggregations.bucket.geogrid.GeoTileGridAggregationBuilder Maven / Gradle / Ivy

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/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */

package org.elasticsearch.search.aggregations.bucket.geogrid;

import org.elasticsearch.common.geo.GeoBoundingBox;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.xcontent.ObjectParser;
import org.elasticsearch.search.aggregations.AggregationBuilder;
import org.elasticsearch.search.aggregations.AggregatorFactories;
import org.elasticsearch.search.aggregations.AggregatorFactory;
import org.elasticsearch.search.aggregations.metrics.GeoGridAggregatorSupplier;
import org.elasticsearch.search.aggregations.support.AggregationContext;
import org.elasticsearch.search.aggregations.support.ValuesSourceAggregatorFactory;
import org.elasticsearch.search.aggregations.support.ValuesSourceConfig;
import org.elasticsearch.search.aggregations.support.ValuesSourceRegistry;

import java.io.IOException;
import java.util.Map;

public class GeoTileGridAggregationBuilder extends GeoGridAggregationBuilder {
    public static final String NAME = "geotile_grid";
    public static final int DEFAULT_PRECISION = 7;
    private static final int DEFAULT_MAX_NUM_CELLS = 10000;
    public static final ValuesSourceRegistry.RegistryKey REGISTRY_KEY = new ValuesSourceRegistry.RegistryKey<>(
        NAME,
        GeoGridAggregatorSupplier.class
    );

    public static final ObjectParser PARSER =
        createParser(NAME, GeoTileUtils::parsePrecision, GeoTileGridAggregationBuilder::new);

    public GeoTileGridAggregationBuilder(String name) {
        super(name);
        precision(DEFAULT_PRECISION);
        size(DEFAULT_MAX_NUM_CELLS);
        shardSize = -1;
    }

    public GeoTileGridAggregationBuilder(StreamInput in) throws IOException {
        super(in);
    }

    public static void registerAggregators(ValuesSourceRegistry.Builder builder) {
        GeoTileGridAggregatorFactory.registerAggregators(builder);
    }

    @Override
    public GeoGridAggregationBuilder precision(int precision) {
        this.precision = GeoTileUtils.checkPrecisionRange(precision);
        return this;
    }

    @Override
    protected ValuesSourceAggregatorFactory createFactory(
            String name, ValuesSourceConfig config, int precision, int requiredSize, int shardSize,
            GeoBoundingBox geoBoundingBox, AggregationContext context, AggregatorFactory parent,
            AggregatorFactories.Builder subFactoriesBuilder, Map metadata) throws IOException {
        return new GeoTileGridAggregatorFactory(name, config, precision, requiredSize, shardSize, geoBoundingBox,
            context, parent, subFactoriesBuilder, metadata);
    }

    private GeoTileGridAggregationBuilder(GeoTileGridAggregationBuilder clone, AggregatorFactories.Builder factoriesBuilder,
                                          Map metadata) {
        super(clone, factoriesBuilder, metadata);
    }

    @Override
    protected AggregationBuilder shallowCopy(AggregatorFactories.Builder factoriesBuilder, Map metadata) {
        return new GeoTileGridAggregationBuilder(this, factoriesBuilder, metadata);
    }

    @Override
    public String getType() {
        return NAME;
    }

    @Override
    protected ValuesSourceRegistry.RegistryKey getRegistryKey() {
        return REGISTRY_KEY;
    }
}