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

Class StandardQueryOptimizerPipeline

java.lang.Object

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

All Implemented Interfaces:

QueryOptimizerPipeline

public class StandardQueryOptimizerPipeline
extends Object
implements QueryOptimizerPipeline

A standard pipeline with the default QueryOptimizers that will be used by StrictEvaluationStrategy and its subclasses, unless specifically overridden.

Author:

Jeen Broekstra

See Also:

EvaluationStrategyFactory.setOptimizerPipeline(QueryOptimizerPipeline)

Constructor Summary

Constructors

Constructor and Description
StandardQueryOptimizerPipeline(EvaluationStrategy strategy, TripleSource tripleSource, EvaluationStatistics evaluationStatistics)

Method Summary

Modifier and Type	Method and Description
Iterable<QueryOptimizer>	getOptimizers() Get the optimizers that make up this pipeline.

Methods inherited from class java.lang.Object

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

Constructor Detail

StandardQueryOptimizerPipeline

public StandardQueryOptimizerPipeline(EvaluationStrategy strategy,
                                      TripleSource tripleSource,
                                      EvaluationStatistics evaluationStatistics)

Method Detail

getOptimizers

public Iterable<QueryOptimizer> getOptimizers()

Description copied from interface: QueryOptimizerPipeline

Get the optimizers that make up this pipeline.

Specified by:

getOptimizers in interface QueryOptimizerPipeline

Returns:

an Iterable of QueryOptimizers