ParentReferenceCleaner (Eclipse RDF4J 4.3.2)

java.lang.Object
- org.eclipse.rdf4j.query.algebra.evaluation.optimizer.ParentReferenceCleaner
- - org.eclipse.rdf4j.query.algebra.evaluation.impl.ParentReferenceCleaner

All Implemented Interfaces:

QueryOptimizer
```
@Deprecated(forRemoval=true,
            since="4.1.0")
public class ParentReferenceCleaner
extends ParentReferenceCleaner
implements QueryOptimizer
```
Deprecated, for removal: This API element is subject to removal in a future version.
since 4.1.0. Use ParentReferenceCleaner instead.

Cleans up QueryModelNode.getParentNode() references that have become inconsistent with the actual algebra tree structure due to optimization operations. Typically used at the very end of the optimization pipeline.

Author:

Jeen Broekstra

- Constructor Summary
  
  Constructors
  Constructor Description
  
  ParentReferenceCleaner()
  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.ParentReferenceCleaner
    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
  - ParentReferenceCleaner
```
public ParentReferenceCleaner()
```
    Deprecated, for removal: This API element is subject to removal in a future version.