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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;
import org.elasticsearch.common.xcontent.ObjectParser;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.search.aggregations.metrics.ParsedPercentiles;
import org.elasticsearch.search.aggregations.metrics.Percentiles;
import java.io.IOException;
import java.util.Map.Entry;
public class ParsedPercentilesBucket extends ParsedPercentiles implements Percentiles {
@Override
public String getType() {
return PercentilesBucketPipelineAggregationBuilder.NAME;
}
@Override
public double percentile(double percent) throws IllegalArgumentException {
Double value = percentiles.get(percent);
if (value == null) {
throw new IllegalArgumentException("Percent requested [" + String.valueOf(percent) + "] was not" +
" one of the computed percentiles. Available keys are: " + percentiles.keySet());
}
return value;
}
@Override
public String percentileAsString(double percent) {
double value = percentile(percent); // check availability as unformatted value
String valueAsString = percentilesAsString.get(percent);
if (valueAsString != null) {
return valueAsString;
} else {
return Double.toString(value);
}
}
@Override
public XContentBuilder doXContentBody(XContentBuilder builder, Params params) throws IOException {
builder.startObject("values");
for (Entry percent : percentiles.entrySet()) {
double value = percent.getValue();
boolean hasValue = !(Double.isNaN(value));
Double key = percent.getKey();
builder.field(Double.toString(key), hasValue ? value : null);
String valueAsString = percentilesAsString.get(key);
if (hasValue && valueAsString != null) {
builder.field(key + "_as_string", valueAsString);
}
}
builder.endObject();
return builder;
}
private static final ObjectParser PARSER =
new ObjectParser<>(ParsedPercentilesBucket.class.getSimpleName(), true, ParsedPercentilesBucket::new);
static {
ParsedPercentiles.declarePercentilesFields(PARSER);
}
public static ParsedPercentilesBucket fromXContent(XContentParser parser, String name) throws IOException {
ParsedPercentilesBucket aggregation = PARSER.parse(parser, null);
aggregation.setName(name);
return aggregation;
}
}