Class DefaultEvaluationStrategyFactory

java.lang.Object

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

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

All Implemented Interfaces:

EvaluationStrategyFactory, FederatedServiceResolverClient

public class DefaultEvaluationStrategyFactory
extends AbstractEvaluationStrategyFactory
implements EvaluationStrategyFactory, FederatedServiceResolverClient

Constructor Summary

Constructors

Constructor	Description
DefaultEvaluationStrategyFactory()
DefaultEvaluationStrategyFactory(FederatedServiceResolver resolver)

Method Summary

Modifier and Type	Method	Description
EvaluationStrategy	createEvaluationStrategy(Dataset dataset, TripleSource tripleSource, EvaluationStatistics evaluationStatistics)	Returns the EvaluationStrategy to use to evaluate queries for the given Dataset and TripleSource.
FederatedServiceResolver	getFederatedServiceResolver()	Gets the FederatedServiceResolver used by this client.
void	setCollectionFactory(Supplier<CollectionFactory> collectionFactory)	Set the collection factory to use.
void	setFederatedServiceResolver(FederatedServiceResolver resolver)	Sets the FederatedServiceResolver to use for this client.

Methods inherited from class AbstractEvaluationStrategyFactory

getOptimizerPipeline, getQuerySolutionCacheThreshold, isTrackResultSize, setOptimizerPipeline, setQuerySolutionCacheThreshold, setTrackResultSize

Modifier and Type	Method	Description
Optional<QueryOptimizerPipeline>	getOptimizerPipeline()	Get the QueryOptimizerPipeline that this factory will inject into the EvaluationStrategy, if any.
long	getQuerySolutionCacheThreshold()	Get the number of query solutions the EvaluationStrategy will keep in main memory before it attempts to sync to a temporary disk cache.
boolean	isTrackResultSize()	Returns the status of the result size tracking for the query plan.
void	setOptimizerPipeline(QueryOptimizerPipeline pipeline)	Set a QueryOptimizerPipeline to be used for query execution planning by the EvaluationStrategy.
void	setQuerySolutionCacheThreshold(long threshold)	Set the number of query solutions the EvaluationStrategy will keep in main memory before it attempts to sync to a temporary disk cache.
void	setTrackResultSize(boolean trackResultSize)	Enable or disable results size tracking for the query plan.

Methods inherited from class Object

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

Constructor Details

DefaultEvaluationStrategyFactory

public DefaultEvaluationStrategyFactory()

DefaultEvaluationStrategyFactory

public DefaultEvaluationStrategyFactory(FederatedServiceResolver resolver)

Method Details

setFederatedServiceResolver

public void setFederatedServiceResolver(FederatedServiceResolver resolver)

Description copied from interface: FederatedServiceResolverClient

Sets the FederatedServiceResolver to use for this client.

Specified by:

setFederatedServiceResolver in interface FederatedServiceResolverClient

Parameters:

resolver - The resolver to use.

getFederatedServiceResolver

public FederatedServiceResolver getFederatedServiceResolver()

Description copied from interface: FederatedServiceResolverClient

Gets the FederatedServiceResolver used by this client.

Specified by:

getFederatedServiceResolver in interface FederatedServiceResolverClient

setCollectionFactory

public void setCollectionFactory(Supplier<CollectionFactory> collectionFactory)

Description copied from interface: EvaluationStrategyFactory

Set the collection factory to use.

Specified by:

setCollectionFactory in interface EvaluationStrategyFactory

Parameters:

collectionFactory -

createEvaluationStrategy

public EvaluationStrategy createEvaluationStrategy(Dataset dataset,
 TripleSource tripleSource,
 EvaluationStatistics evaluationStatistics)

Description copied from interface: EvaluationStrategyFactory

Returns the EvaluationStrategy to use to evaluate queries for the given Dataset and TripleSource.

Specified by:

createEvaluationStrategy in interface EvaluationStrategyFactory

Parameters:

dataset - the DataSet to evaluate queries against.

tripleSource - the TripleSource to evaluate queries against.

evaluationStatistics - the store evaluation statistics to use for query optimization.

Returns:

an EvaluationStrategy.