org.elasticsearch.search.aggregations.pipeline.bucketmetrics.stats.extended.ExtendedStatsBucketParser 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.search.aggregations.pipeline.bucketmetrics.stats.extended;
import org.elasticsearch.common.ParseField;
import org.elasticsearch.search.aggregations.pipeline.BucketHelpers.GapPolicy;
import org.elasticsearch.search.aggregations.pipeline.PipelineAggregatorFactory;
import org.elasticsearch.search.aggregations.pipeline.bucketmetrics.BucketMetricsParser;
import org.elasticsearch.search.aggregations.support.format.ValueFormatter;
import java.text.ParseException;
import java.util.Map;
public class ExtendedStatsBucketParser extends BucketMetricsParser {
static final ParseField SIGMA = new ParseField("sigma");
@Override
public String type() {
return ExtendedStatsBucketPipelineAggregator.TYPE.name();
}
@Override
protected PipelineAggregatorFactory buildFactory(String pipelineAggregatorName, String[] bucketsPaths, GapPolicy gapPolicy,
ValueFormatter formatter, Map unparsedParams) throws ParseException {
double sigma = 2.0;
Object param = unparsedParams.get(SIGMA.getPreferredName());
if (param != null) {
if (param instanceof Double) {
sigma = (Double) param;
unparsedParams.remove(SIGMA.getPreferredName());
} else {
throw new ParseException("Parameter [" + SIGMA.getPreferredName() + "] must be a Double, type `"
+ param.getClass().getSimpleName() + "` provided instead", 0);
}
}
return new ExtendedStatsBucketPipelineAggregator.Factory(pipelineAggregatorName, bucketsPaths, sigma, gapPolicy, formatter);
}
}