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/*
* SPDX-License-Identifier: Apache-2.0
*
* The OpenSearch Contributors require contributions made to
* this file be licensed under the Apache-2.0 license or a
* compatible open source license.
*/
/*
* 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.
*/
/*
* Modifications Copyright OpenSearch Contributors. See
* GitHub history for details.
*/
package org.opensearch.search.aggregations.metrics;
import org.opensearch.common.io.stream.StreamInput;
import org.opensearch.common.io.stream.StreamOutput;
import org.opensearch.common.xcontent.ObjectParser;
import org.opensearch.common.xcontent.XContentBuilder;
import org.opensearch.index.query.QueryShardContext;
import org.opensearch.search.aggregations.AggregationBuilder;
import org.opensearch.search.aggregations.AggregatorFactories;
import org.opensearch.search.aggregations.AggregatorFactory;
import org.opensearch.search.aggregations.support.CoreValuesSourceType;
import org.opensearch.search.aggregations.support.ValuesSource;
import org.opensearch.search.aggregations.support.ValuesSourceAggregationBuilder;
import org.opensearch.search.aggregations.support.ValuesSourceConfig;
import org.opensearch.search.aggregations.support.ValuesSourceRegistry;
import org.opensearch.search.aggregations.support.ValuesSourceType;
import java.io.IOException;
import java.util.Map;
import java.util.Objects;
public class ExtendedStatsAggregationBuilder extends ValuesSourceAggregationBuilder.LeafOnly<
ValuesSource.Numeric,
ExtendedStatsAggregationBuilder> {
public static final String NAME = "extended_stats";
public static final ValuesSourceRegistry.RegistryKey REGISTRY_KEY =
new ValuesSourceRegistry.RegistryKey<>(NAME, ExtendedStatsAggregatorProvider.class);
public static final ObjectParser PARSER = ObjectParser.fromBuilder(
NAME,
ExtendedStatsAggregationBuilder::new
);
static {
ValuesSourceAggregationBuilder.declareFields(PARSER, true, true, false);
PARSER.declareDouble(ExtendedStatsAggregationBuilder::sigma, ExtendedStatsAggregator.SIGMA_FIELD);
}
public static void registerAggregators(ValuesSourceRegistry.Builder builder) {
ExtendedStatsAggregatorFactory.registerAggregators(builder);
}
private double sigma = 2.0;
public ExtendedStatsAggregationBuilder(String name) {
super(name);
}
protected ExtendedStatsAggregationBuilder(
ExtendedStatsAggregationBuilder clone,
AggregatorFactories.Builder factoriesBuilder,
Map metadata
) {
super(clone, factoriesBuilder, metadata);
this.sigma = clone.sigma;
}
@Override
protected AggregationBuilder shallowCopy(AggregatorFactories.Builder factoriesBuilder, Map metadata) {
return new ExtendedStatsAggregationBuilder(this, factoriesBuilder, metadata);
}
/**
* Read from a stream.
*/
public ExtendedStatsAggregationBuilder(StreamInput in) throws IOException {
super(in);
sigma = in.readDouble();
}
@Override
protected ValuesSourceType defaultValueSourceType() {
return CoreValuesSourceType.NUMERIC;
}
@Override
protected void innerWriteTo(StreamOutput out) throws IOException {
out.writeDouble(sigma);
}
public ExtendedStatsAggregationBuilder sigma(double sigma) {
if (sigma < 0.0) {
throw new IllegalArgumentException("[sigma] must be greater than or equal to 0. Found [" + sigma + "] in [" + name + "]");
}
this.sigma = sigma;
return this;
}
public double sigma() {
return sigma;
}
@Override
protected ExtendedStatsAggregatorFactory innerBuild(
QueryShardContext queryShardContext,
ValuesSourceConfig config,
AggregatorFactory parent,
AggregatorFactories.Builder subFactoriesBuilder
) throws IOException {
return new ExtendedStatsAggregatorFactory(name, config, sigma, queryShardContext, parent, subFactoriesBuilder, metadata);
}
@Override
public XContentBuilder doXContentBody(XContentBuilder builder, Params params) throws IOException {
builder.field(ExtendedStatsAggregator.SIGMA_FIELD.getPreferredName(), sigma);
return builder;
}
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), sigma);
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null || getClass() != obj.getClass()) return false;
if (super.equals(obj) == false) return false;
ExtendedStatsAggregationBuilder other = (ExtendedStatsAggregationBuilder) obj;
return Objects.equals(sigma, other.sigma);
}
@Override
public String getType() {
return NAME;
}
@Override
protected ValuesSourceRegistry.RegistryKey getRegistryKey() {
return REGISTRY_KEY;
}
}