org.openrdf.sail.federation.optimizers
Class OwnedTupleExprPruner

java.lang.Object
  org.openrdf.query.algebra.helpers.QueryModelVisitorBase<RuntimeException>
      org.openrdf.sail.federation.optimizers.OwnedTupleExprPruner

All Implemented Interfaces:

QueryOptimizer, QueryModelVisitor<RuntimeException>

public class OwnedTupleExprPruner
extends QueryModelVisitorBase<RuntimeException>
implements QueryOptimizer

Remove redundent OwnedTupleExpr.

Author:

James Leigh

Constructor Summary

OwnedTupleExprPruner()

Method Summary

void	meetOther(QueryModelNode node)
void	optimize(TupleExpr query, Dataset dataset, BindingSet bindings)

Methods inherited from class org.openrdf.query.algebra.helpers.QueryModelVisitorBase

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, meetNode, meetSubQueryValueOperator, meetUnaryTupleOperator, meetUnaryValueOperator

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 QueryModelVisitorBase<RuntimeException>