# Package org.eclipse.rdf4j.sail.extensiblestore.evaluationstatistics

- Interface Summary
  Interface | Description
  --- | ---
  DynamicStatistics | Interface to support evaluation statistics that keep their own internal estimates and need to be notified of added or removed statements.

- Class Summary
  Class | Description
  --- | ---
  EvaluationStatisticsWrapper | A wrapper around a data structure to support evaluation statistics that need to be notified of added or removed statements.
  ExtensibleConstantEvaluationStatistics | ExtensibleDirectEvaluationStatistics provides evaluation statistics by using the default implementation.
  ExtensibleDirectEvaluationStatistics | ExtensibleDirectEvaluationStatistics provides evaluation statistics by directly querying the underlying data source.
  ExtensibleDynamicEvaluationStatistics | ExtensibleDynamicEvaluationStatistics aims to keep an internal estimate of the cardinality of various statement patterns.
  ExtensibleEvaluationStatistics |

- Enum Summary
  Enum | Description
  --- | ---
  EvaluationStatisticsEnum | Enum to support multiple different EvaluationStatistics implementations.