org.graylog2.indexer.results.FieldStatsResult Maven / Gradle / Ivy
/**
* This file is part of Graylog.
*
* Graylog is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Graylog is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Graylog. If not, see .
*/
package org.graylog2.indexer.results;
import io.searchbox.core.search.aggregation.CardinalityAggregation;
import io.searchbox.core.search.aggregation.ExtendedStatsAggregation;
import io.searchbox.core.search.aggregation.ValueCountAggregation;
import java.util.List;
public class FieldStatsResult extends IndexQueryResult {
private List searchHits;
private final long count;
private final double sum;
private final double sumOfSquares;
private final double mean;
private final double min;
private final double max;
private final double variance;
private final double stdDeviation;
private final long cardinality;
public FieldStatsResult(ValueCountAggregation valueCountAggregation,
ExtendedStatsAggregation extendedStatsAggregation,
CardinalityAggregation cardinalityAggregation,
List hits,
String query,
String source,
long tookMs) {
super(query, source, tookMs);
this.count = getValueCount(valueCountAggregation, extendedStatsAggregation);
this.cardinality = cardinalityAggregation == null || cardinalityAggregation.getCardinality() == null ? Long.MIN_VALUE : cardinalityAggregation.getCardinality();
if (extendedStatsAggregation != null) {
sum = extendedStatsAggregation.getSum() != null ? extendedStatsAggregation.getSum() : Double.NaN;
sumOfSquares = extendedStatsAggregation.getSumOfSquares() != null ? extendedStatsAggregation.getSumOfSquares() : Double.NaN;
mean = extendedStatsAggregation.getAvg() != null ? extendedStatsAggregation.getAvg() : Double.NaN;
min = extendedStatsAggregation.getMin() != null ? extendedStatsAggregation.getMin() : Double.NaN;
max = extendedStatsAggregation.getMax() != null ? extendedStatsAggregation.getMax() : Double.NaN;
variance = extendedStatsAggregation.getVariance() != null ? extendedStatsAggregation.getVariance() : Double.NaN;
stdDeviation = extendedStatsAggregation.getStdDeviation() != null ? extendedStatsAggregation.getStdDeviation() : Double.NaN;
} else {
sum = Double.NaN;
sumOfSquares = Double.NaN;
mean = Double.NaN;
min = Double.NaN;
max = Double.NaN;
variance = Double.NaN;
stdDeviation = Double.NaN;
}
this.searchHits = hits;
}
private FieldStatsResult(String query, String bytesReference) {
super(query, bytesReference, 0);
this.count = Long.MIN_VALUE;
this.cardinality = Long.MIN_VALUE;
sum = Double.NaN;
sumOfSquares = Double.NaN;
mean = Double.NaN;
min = Double.NaN;
max = Double.NaN;
variance = Double.NaN;
stdDeviation = Double.NaN;
}
private long getValueCount(ValueCountAggregation valueCountAggregation, ExtendedStatsAggregation extendedStatsAggregation) {
if (valueCountAggregation != null && valueCountAggregation.getValueCount() != null) {
return valueCountAggregation.getValueCount();
} else if (extendedStatsAggregation != null && extendedStatsAggregation.getCount() != null) {
return extendedStatsAggregation.getCount();
}
return Long.MIN_VALUE;
}
public long getCount() {
return count;
}
public double getSum() {
return sum;
}
public double getSumOfSquares() {
return sumOfSquares;
}
public double getMean() {
return mean;
}
public double getMin() {
return min;
}
public double getMax() {
return max;
}
public double getVariance() {
return variance;
}
public double getStdDeviation() {
return stdDeviation;
}
public long getCardinality() {
return cardinality;
}
public List getSearchHits() {
return searchHits;
}
public static FieldStatsResult empty(String query, String bytesReference) {
return new FieldStatsResult(query, bytesReference);
}
}