ExtensibleConstantEvaluationStatistics (Eclipse RDF4J 4.2.4)

java.lang.Object
- org.eclipse.rdf4j.query.algebra.evaluation.impl.EvaluationStatistics
- - org.eclipse.rdf4j.sail.extensiblestore.evaluationstatistics.ExtensibleEvaluationStatistics
  - - org.eclipse.rdf4j.sail.extensiblestore.evaluationstatistics.ExtensibleConstantEvaluationStatistics

```
@Experimental
public class ExtensibleConstantEvaluationStatistics
extends ExtensibleEvaluationStatistics
```
ExtensibleDirectEvaluationStatistics provides evaluation statistics by using the default implementation. The default implementation uses constants to return cardinalities for various patterns.

- Nested Class Summary
  - Nested classes/interfaces inherited from class org.eclipse.rdf4j.query.algebra.evaluation.impl.EvaluationStatistics
    EvaluationStatistics.CardinalityCalculator
- Constructor Summary
  
  Constructors
  Constructor Description
  
  ExtensibleConstantEvaluationStatistics(ExtensibleSailStore extensibleSailStore)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  protected EvaluationStatistics.CardinalityCalculator createCardinalityCalculator()
  - Methods inherited from class org.eclipse.rdf4j.query.algebra.evaluation.impl.EvaluationStatistics
    getCardinality
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExtensibleConstantEvaluationStatistics

public ExtensibleConstantEvaluationStatistics(ExtensibleSailStore extensibleSailStore)

Method Detail
- createCardinalityCalculator
```
protected EvaluationStatistics.CardinalityCalculator createCardinalityCalculator()
```
  Specified by:
  
  createCardinalityCalculator in class ExtensibleEvaluationStatistics