Package org.eclipse.rdf4j.query.algebra.evaluation.function.aggregate

Class StatisticalAggregateFunction

java.lang.Object

org.eclipse.rdf4j.query.parser.sparql.aggregate.AggregateFunction<StatisticCollector,org.eclipse.rdf4j.model.Value>

org.eclipse.rdf4j.query.algebra.evaluation.function.aggregate.StatisticalAggregateFunction

@Experimental
public class StatisticalAggregateFunction
extends org.eclipse.rdf4j.query.parser.sparql.aggregate.AggregateFunction<StatisticCollector,org.eclipse.rdf4j.model.Value>

AggregateFunction used for processing of extended statistical aggregate operations through SPARQL.

Author:

Tomas Kovachev t.kovachev1996@gmail.com

Field Summary

Fields inherited from class org.eclipse.rdf4j.query.parser.sparql.aggregate.AggregateFunction

evaluationStep

Constructor Summary

Constructors

Constructor	Description
StatisticalAggregateFunction(Function<BindingSet,org.eclipse.rdf4j.model.Value> evaluationStep)

Method Summary

Modifier and Type	Method	Description
void	processAggregate(BindingSet bindingSet, Predicate<org.eclipse.rdf4j.model.Value> distinctValue, StatisticCollector collector)

Methods inherited from class org.eclipse.rdf4j.query.parser.sparql.aggregate.AggregateFunction

evaluate

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StatisticalAggregateFunction

public StatisticalAggregateFunction(Function<BindingSet,org.eclipse.rdf4j.model.Value> evaluationStep)

Method Detail

processAggregate

public void processAggregate(BindingSet bindingSet,
                             Predicate<org.eclipse.rdf4j.model.Value> distinctValue,
                             StatisticCollector collector)
                      throws QueryEvaluationException

Specified by:

processAggregate in class org.eclipse.rdf4j.query.parser.sparql.aggregate.AggregateFunction<StatisticCollector,org.eclipse.rdf4j.model.Value>

Throws:

QueryEvaluationException