Class TupleFunctionEvaluationStatistics

java.lang.Object

org.eclipse.rdf4j.query.algebra.evaluation.impl.EvaluationStatistics

org.eclipse.rdf4j.query.algebra.evaluation.impl.TupleFunctionEvaluationStatistics

public class TupleFunctionEvaluationStatistics
extends EvaluationStatistics

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	TupleFunctionEvaluationStatistics.TupleFunctionCardinalityCalculator

Nested classes/interfaces inherited from class EvaluationStatistics

EvaluationStatistics.CardinalityCalculator, EvaluationStatistics.FilterPassEstimate

Modifier and Type	Class	Description
protected static class	EvaluationStatistics.CardinalityCalculator
static final class	EvaluationStatistics.FilterPassEstimate

Constructor Summary

Constructors

Constructor	Description
TupleFunctionEvaluationStatistics()

Method Summary

Modifier and Type	Method	Description
protected EvaluationStatistics.CardinalityCalculator	createCardinalityCalculator()

Methods inherited from class EvaluationStatistics

estimateFilterPass, estimateFilterPassRatio, getCardinality, recordFilterOutcome, supportsFilterSelectivityCosting, supportsJoinEstimation

Modifier and Type	Method	Description
EvaluationStatistics.FilterPassEstimate	estimateFilterPass(Filter filter)
double	estimateFilterPassRatio(Filter filter)
double	getCardinality(TupleExpr expr)
void	recordFilterOutcome(Filter filter, long passedCount, long filteredCount)
boolean	supportsFilterSelectivityCosting()
boolean	supportsJoinEstimation()

Methods inherited from class Object

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

Constructor Details

TupleFunctionEvaluationStatistics

public TupleFunctionEvaluationStatistics()

Method Details

createCardinalityCalculator

protected EvaluationStatistics.CardinalityCalculator createCardinalityCalculator()

Overrides:

createCardinalityCalculator in class EvaluationStatistics