Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* 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.bucket.sampler;
import org.opensearch.index.query.QueryShardContext;
import org.opensearch.search.aggregations.Aggregator;
import org.opensearch.search.aggregations.AggregatorFactories;
import org.opensearch.search.aggregations.AggregatorFactory;
import org.opensearch.search.aggregations.CardinalityUpperBound;
import org.opensearch.search.aggregations.InternalAggregation;
import org.opensearch.search.aggregations.NonCollectingAggregator;
import org.opensearch.search.aggregations.bucket.sampler.SamplerAggregator.ExecutionMode;
import org.opensearch.search.aggregations.support.CoreValuesSourceType;
import org.opensearch.search.aggregations.support.ValuesSourceAggregatorFactory;
import org.opensearch.search.aggregations.support.ValuesSourceConfig;
import org.opensearch.search.aggregations.support.ValuesSourceRegistry;
import org.opensearch.search.internal.SearchContext;
import java.io.IOException;
import java.util.Map;
public class DiversifiedAggregatorFactory extends ValuesSourceAggregatorFactory {
public static void registerAggregators(ValuesSourceRegistry.Builder builder) {
builder.register(
DiversifiedAggregationBuilder.REGISTRY_KEY,
org.opensearch.common.collect.List.of(CoreValuesSourceType.NUMERIC, CoreValuesSourceType.DATE, CoreValuesSourceType.BOOLEAN),
(
String name,
int shardSize,
AggregatorFactories factories,
SearchContext context,
Aggregator parent,
Map metadata,
ValuesSourceConfig valuesSourceConfig,
int maxDocsPerValue,
String executionHint) -> new DiversifiedNumericSamplerAggregator(
name,
shardSize,
factories,
context,
parent,
metadata,
valuesSourceConfig,
maxDocsPerValue
),
true
);
builder.register(
DiversifiedAggregationBuilder.REGISTRY_KEY,
CoreValuesSourceType.BYTES,
(
String name,
int shardSize,
AggregatorFactories factories,
SearchContext context,
Aggregator parent,
Map metadata,
ValuesSourceConfig valuesSourceConfig,
int maxDocsPerValue,
String executionHint) -> {
ExecutionMode execution = null;
if (executionHint != null) {
execution = ExecutionMode.fromString(executionHint);
}
// In some cases using ordinals is just not supported: override it
if (execution == null) {
execution = ExecutionMode.GLOBAL_ORDINALS;
}
if ((execution.needsGlobalOrdinals()) && (valuesSourceConfig.hasGlobalOrdinals() == false)) {
execution = ExecutionMode.MAP;
}
return execution.create(name, factories, shardSize, maxDocsPerValue, valuesSourceConfig, context, parent, metadata);
},
true
);
}
private final int shardSize;
private final int maxDocsPerValue;
private final String executionHint;
DiversifiedAggregatorFactory(
String name,
ValuesSourceConfig config,
int shardSize,
int maxDocsPerValue,
String executionHint,
QueryShardContext queryShardContext,
AggregatorFactory parent,
AggregatorFactories.Builder subFactoriesBuilder,
Map metadata
) throws IOException {
super(name, config, queryShardContext, parent, subFactoriesBuilder, metadata);
this.shardSize = shardSize;
this.maxDocsPerValue = maxDocsPerValue;
this.executionHint = executionHint;
}
@Override
protected Aggregator doCreateInternal(
SearchContext searchContext,
Aggregator parent,
CardinalityUpperBound cardinality,
Map metadata
) throws IOException {
return queryShardContext.getValuesSourceRegistry()
.getAggregator(DiversifiedAggregationBuilder.REGISTRY_KEY, config)
.build(name, shardSize, factories, searchContext, parent, metadata, config, maxDocsPerValue, executionHint);
}
@Override
protected Aggregator createUnmapped(SearchContext searchContext, Aggregator parent, Map metadata) throws IOException {
final UnmappedSampler aggregation = new UnmappedSampler(name, metadata);
return new NonCollectingAggregator(name, searchContext, parent, factories, metadata) {
@Override
public InternalAggregation buildEmptyAggregation() {
return aggregation;
}
};
}
}