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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.search.aggregations.metrics;
import org.elasticsearch.common.ParseField;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.xcontent.ObjectParser;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.index.query.QueryShardContext;
import org.elasticsearch.search.aggregations.AggregationBuilder;
import org.elasticsearch.search.aggregations.AggregatorFactories;
import org.elasticsearch.search.aggregations.AggregatorFactory;
import org.elasticsearch.search.aggregations.support.CoreValuesSourceType;
import org.elasticsearch.search.aggregations.support.ValueType;
import org.elasticsearch.search.aggregations.support.ValuesSource;
import org.elasticsearch.search.aggregations.support.ValuesSourceAggregationBuilder.LeafOnly;
import org.elasticsearch.search.aggregations.support.ValuesSourceAggregatorFactory;
import org.elasticsearch.search.aggregations.support.ValuesSourceConfig;
import org.elasticsearch.search.aggregations.support.ValuesSourceParserHelper;
import java.io.IOException;
import java.util.Map;
import java.util.Objects;
public class MedianAbsoluteDeviationAggregationBuilder extends LeafOnly {
public static final String NAME = "median_absolute_deviation";
private static final ParseField COMPRESSION_FIELD = new ParseField("compression");
private static final ObjectParser PARSER;
static {
PARSER = new ObjectParser<>(NAME);
ValuesSourceParserHelper.declareNumericFields(PARSER, true, true, false);
PARSER.declareDouble(MedianAbsoluteDeviationAggregationBuilder::compression, COMPRESSION_FIELD);
}
public static MedianAbsoluteDeviationAggregationBuilder parse(String aggregationName, XContentParser parser) throws IOException {
return PARSER.parse(parser, new MedianAbsoluteDeviationAggregationBuilder(aggregationName), null);
}
private double compression = 1000d;
public MedianAbsoluteDeviationAggregationBuilder(String name) {
super(name, CoreValuesSourceType.NUMERIC, ValueType.NUMERIC);
}
public MedianAbsoluteDeviationAggregationBuilder(StreamInput in) throws IOException {
super(in, CoreValuesSourceType.NUMERIC, ValueType.NUMERIC);
compression = in.readDouble();
}
protected MedianAbsoluteDeviationAggregationBuilder(MedianAbsoluteDeviationAggregationBuilder clone,
AggregatorFactories.Builder factoriesBuilder,
Map metaData) {
super(clone, factoriesBuilder, metaData);
this.compression = clone.compression;
}
/**
* Returns the compression factor of the t-digest sketches used
*/
public double compression() {
return compression;
}
/**
* Set the compression factor of the t-digest sketches used
*/
public MedianAbsoluteDeviationAggregationBuilder compression(double compression) {
if (compression <= 0d) {
throw new IllegalArgumentException(
"[" + COMPRESSION_FIELD.getPreferredName() + "] must be greater than 0. Found [" + compression + "] in [" + name + "]");
}
this.compression = compression;
return this;
}
@Override
protected AggregationBuilder shallowCopy(AggregatorFactories.Builder factoriesBuilder, Map metaData) {
return new MedianAbsoluteDeviationAggregationBuilder(this, factoriesBuilder, metaData);
}
@Override
protected void innerWriteTo(StreamOutput out) throws IOException {
out.writeDouble(compression);
}
@Override
protected ValuesSourceAggregatorFactory innerBuild(QueryShardContext queryShardContext,
ValuesSourceConfig config,
AggregatorFactory parent,
AggregatorFactories.Builder subFactoriesBuilder)
throws IOException {
return new MedianAbsoluteDeviationAggregatorFactory(name, config, queryShardContext,
parent, subFactoriesBuilder, metaData, compression);
}
@Override
protected XContentBuilder doXContentBody(XContentBuilder builder, Params params) throws IOException {
builder.field(COMPRESSION_FIELD.getPreferredName(), compression);
return builder;
}
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), compression);
}
@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;
MedianAbsoluteDeviationAggregationBuilder other = (MedianAbsoluteDeviationAggregationBuilder) obj;
return Objects.equals(compression, other.compression);
}
@Override
public String getType() {
return NAME;
}
}