Class ParentReferenceChecker

java.lang.Object

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

All Implemented Interfaces:

QueryOptimizer

@InternalUseOnly
public class ParentReferenceChecker
extends Object
implements QueryOptimizer

Checks QueryModelNode.getParentNode() references that have become inconsistent with the actual algebra tree structure due to optimization operations. Used during testing.

Author:

Jeen Broekstra, Håvard Ottestad

Field Summary

Fields

Modifier and Type	Field	Description
static boolean	skip

Constructor Summary

Constructors

Constructor	Description
ParentReferenceChecker(QueryOptimizer previousOptimizerInPipeline)

Method Summary

Modifier and Type	Method	Description
void	optimize(TupleExpr tupleExpr, Dataset dataset, BindingSet bindings)

Methods inherited from class java.lang.Object

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

Field Details

skip

public static boolean skip

Constructor Details

ParentReferenceChecker

public ParentReferenceChecker(QueryOptimizer previousOptimizerInPipeline)

Method Details

optimize

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

Specified by:

optimize in interface QueryOptimizer