Class ParentReferenceCleaner

java.lang.Object
org.eclipse.rdf4j.query.algebra.evaluation.impl.ParentReferenceCleaner
All Implemented Interfaces:
QueryOptimizer

public class ParentReferenceCleaner extends Object implements QueryOptimizer
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