org.eclipse.rdf4j.sail.federation.optimizers

Class OwnedTupleExprPruner

java.lang.Object

org.eclipse.rdf4j.query.algebra.helpers.AbstractQueryModelVisitor<RuntimeException>

org.eclipse.rdf4j.sail.federation.optimizers.OwnedTupleExprPruner

All Implemented Interfaces:

QueryOptimizer, QueryModelVisitor<RuntimeException>

public class OwnedTupleExprPruner
extends AbstractQueryModelVisitor<RuntimeException>
implements QueryOptimizer

Remove redundant OwnedTupleExpr.

Author:

James Leigh

Constructor Summary

Constructors

Constructor and Description
OwnedTupleExprPruner()

Method Summary

Modifier and Type	Method and Description
void	meetOther(QueryModelNode node)
void	optimize(TupleExpr query, Dataset dataset, BindingSet bindings)

Methods inherited from class org.eclipse.rdf4j.query.algebra.helpers.AbstractQueryModelVisitor

meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meet, meetBinaryTupleOperator, meetBinaryValueOperator, meetCompareSubQueryValueOperator, meetNAryValueOperator, meetNode, meetSubQueryValueOperator, meetUnaryTupleOperator, meetUnaryValueOperator, meetUpdateExpr

Methods inherited from class java.lang.Object

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

Constructor Detail

OwnedTupleExprPruner

public OwnedTupleExprPruner()

Method Detail

optimize

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

Specified by:

optimize in interface QueryOptimizer

meetOther

public void meetOther(QueryModelNode node)

Specified by:

meetOther in interface QueryModelVisitor<RuntimeException>

Overrides:

meetOther in class AbstractQueryModelVisitor<RuntimeException>