ParentReferenceChecker (RDF4J: Query algebra - evaluation 4.1.3 API)

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

- Constructor Summary
  
  Constructors
  Constructor Description
  
  ParentReferenceChecker(QueryOptimizer previousOptimizerInPipeline)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  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

Constructor Detail

ParentReferenceChecker

public ParentReferenceChecker(QueryOptimizer previousOptimizerInPipeline)

Method Detail

optimize

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

Specified by:: optimize in interface QueryOptimizer