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Elasticsearch subproject :server
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License
* 2.0 and the Server Side Public License, v 1; you may not use this file except
* in compliance with, at your election, the Elastic License 2.0 or the Server
* Side Public License, v 1.
*/
package org.elasticsearch.search.aggregations.pipeline;
import org.elasticsearch.Version;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.xcontent.ParseField;
import org.elasticsearch.xcontent.XContentBuilder;
import org.elasticsearch.xcontent.XContentParser;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import java.util.Objects;
public class PercentilesBucketPipelineAggregationBuilder extends BucketMetricsPipelineAggregationBuilder<
PercentilesBucketPipelineAggregationBuilder> {
public static final String NAME = "percentiles_bucket";
static final ParseField PERCENTS_FIELD = new ParseField("percents");
static final ParseField KEYED_FIELD = new ParseField("keyed");
private double[] percents = new double[] { 1.0, 5.0, 25.0, 50.0, 75.0, 95.0, 99.0 };
private boolean keyed = true;
public PercentilesBucketPipelineAggregationBuilder(String name, String bucketsPath) {
super(name, NAME, new String[] { bucketsPath });
}
/**
* Read from a stream.
*/
public PercentilesBucketPipelineAggregationBuilder(StreamInput in) throws IOException {
super(in, NAME);
percents = in.readDoubleArray();
keyed = in.readBoolean();
}
@Override
protected void innerWriteTo(StreamOutput out) throws IOException {
out.writeDoubleArray(percents);
out.writeBoolean(keyed);
}
/**
* Get the percentages to calculate percentiles for in this aggregation
*/
public double[] getPercents() {
return percents;
}
/**
* Set the percentages to calculate percentiles for in this aggregation
*/
public PercentilesBucketPipelineAggregationBuilder setPercents(double[] percents) {
if (percents == null) {
throw new IllegalArgumentException("[percents] must not be null: [" + name + "]");
}
for (Double p : percents) {
if (p == null || p < 0.0 || p > 100.0) {
throw new IllegalArgumentException(
PERCENTS_FIELD.getPreferredName() + " must only contain non-null doubles from 0.0-100.0 inclusive"
);
}
}
this.percents = percents;
return this;
}
/**
* Set whether the XContent should be keyed
*/
public PercentilesBucketPipelineAggregationBuilder setKeyed(boolean keyed) {
this.keyed = keyed;
return this;
}
/**
* Get whether the XContent should be keyed
*/
public boolean getKeyed() {
return keyed;
}
@Override
protected PipelineAggregator createInternal(Map metadata) {
return new PercentilesBucketPipelineAggregator(name, percents, keyed, bucketsPaths, gapPolicy(), formatter(), metadata);
}
@Override
protected void validate(ValidationContext context) {
super.validate(context);
for (Double p : percents) {
if (p == null || p < 0.0 || p > 100.0) {
context.addValidationError(
PERCENTS_FIELD.getPreferredName() + " must only contain non-null doubles from 0.0-100.0 inclusive"
);
return;
}
}
}
@Override
protected XContentBuilder doXContentBody(XContentBuilder builder, Params params) throws IOException {
if (percents != null) {
builder.array(PERCENTS_FIELD.getPreferredName(), percents);
}
builder.field(KEYED_FIELD.getPreferredName(), keyed);
return builder;
}
@Override
public Version getMinimalSupportedVersion() {
return Version.V_EMPTY;
}
public static final PipelineAggregator.Parser PARSER = new BucketMetricsParser() {
@Override
protected PercentilesBucketPipelineAggregationBuilder buildFactory(
String pipelineAggregatorName,
String bucketsPath,
Map params
) {
PercentilesBucketPipelineAggregationBuilder factory = new PercentilesBucketPipelineAggregationBuilder(
pipelineAggregatorName,
bucketsPath
);
double[] percents = (double[]) params.get(PERCENTS_FIELD.getPreferredName());
if (percents != null) {
factory.setPercents(percents);
}
Boolean keyed = (Boolean) params.get(KEYED_FIELD.getPreferredName());
if (keyed != null) {
factory.setKeyed(keyed);
}
return factory;
}
@Override
protected boolean token(XContentParser parser, String field, XContentParser.Token token, Map params)
throws IOException {
if (PERCENTS_FIELD.match(field, parser.getDeprecationHandler()) && token == XContentParser.Token.START_ARRAY) {
List percents = new ArrayList<>(10);
while (parser.nextToken() != XContentParser.Token.END_ARRAY) {
percents.add(parser.doubleValue());
}
params.put(PERCENTS_FIELD.getPreferredName(), percents.stream().mapToDouble(Double::doubleValue).toArray());
return true;
} else if (KEYED_FIELD.match(field, parser.getDeprecationHandler()) && token == XContentParser.Token.VALUE_BOOLEAN) {
params.put(KEYED_FIELD.getPreferredName(), parser.booleanValue());
return true;
}
return false;
}
};
@Override
public int hashCode() {
return Objects.hash(super.hashCode(), Arrays.hashCode(percents), keyed);
}
@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;
PercentilesBucketPipelineAggregationBuilder other = (PercentilesBucketPipelineAggregationBuilder) obj;
return Objects.deepEquals(percents, other.percents) && Objects.equals(keyed, other.keyed);
}
@Override
public String getWriteableName() {
return NAME;
}
}