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

Class QueryModelPruner

java.lang.Object

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

All Implemented Interfaces:

QueryOptimizer

@Deprecated
public class QueryModelPruner
extends Object
implements QueryOptimizer

Deprecated.

Replaced by QueryModelNormalizer.

A query optimizer that prunes query model trees by removing superfluous parts and/or by reducing complex parts with simpler parts.

Author:

Arjohn Kampman

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	QueryModelPruner.TreeSanitizer	Deprecated.

Constructor Summary

Constructors

Constructor	Description
QueryModelPruner()	Deprecated.

Method Summary

Modifier and Type	Method	Description
void	optimize(TupleExpr tupleExpr, Dataset dataset, BindingSet bindings)	Deprecated. Applies generally applicable optimizations: path expressions are sorted from more to less specific.

Methods inherited from class java.lang.Object

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

Constructor Details

QueryModelPruner

public QueryModelPruner()

Deprecated.

Method Details

optimize

public void optimize(TupleExpr tupleExpr,
 Dataset dataset,
 BindingSet bindings)

Deprecated.

Applies generally applicable optimizations: path expressions are sorted from more to less specific.

Specified by:

optimize in interface QueryOptimizer

Parameters:

tupleExpr -