Class DisjunctiveConstraintOptimizer

java.lang.Object

org.eclipse.rdf4j.query.algebra.evaluation.optimizer.DisjunctiveConstraintOptimizer

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

All Implemented Interfaces:

QueryOptimizer

@Deprecated(forRemoval=true,
            since="4.1.0")
public class DisjunctiveConstraintOptimizer
extends DisjunctiveConstraintOptimizer
implements QueryOptimizer

Deprecated, for removal: This API element is subject to removal in a future version.

since 4.1.0. Use DisjunctiveConstraintOptimizer instead.

A query optimizer that optimize disjunctive constraints on tuple expressions. Currently, this optimizer unions a clone of the underlying tuple expression with the original expression for each SameTerm operator, moving the SameTerm to the cloned tuple expression.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	DisjunctiveConstraintOptimizer.OrSameTermOptimizer	Deprecated, for removal: This API element is subject to removal in a future version.

Constructor Summary

Constructors

Constructor	Description
DisjunctiveConstraintOptimizer()	Deprecated, for removal: This API element is subject to removal in a future version.

Method Summary

Methods inherited from class DisjunctiveConstraintOptimizer

optimize

Methods inherited from class Object

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

Methods inherited from interface QueryOptimizer

optimize

Constructor Details

DisjunctiveConstraintOptimizer

public DisjunctiveConstraintOptimizer()

Deprecated, for removal: This API element is subject to removal in a future version.