DisjunctiveConstraintOptimizer (Eclipse RDF4J 4.3.2)

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.

Author:

Arjohn Kampman, James Leigh

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 org.eclipse.rdf4j.query.algebra.evaluation.optimizer.DisjunctiveConstraintOptimizer
  optimize
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
- Methods inherited from interface org.eclipse.rdf4j.query.algebra.evaluation.QueryOptimizer
  optimize

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