org.openrdf.sail.rdbms.optimizers
Class ValueIdLookupOptimizer

java.lang.Object
  org.openrdf.sail.rdbms.optimizers.ValueIdLookupOptimizer

All Implemented Interfaces:

QueryOptimizer

public class ValueIdLookupOptimizer
extends Object
implements QueryOptimizer

Iterates through the query and converting the values into RDBMS values.

Author:

James Leigh

Nested Class Summary

protected class

ValueIdLookupOptimizer.VarVisitor

Constructor Summary

ValueIdLookupOptimizer(RdbmsValueFactory vf)

Method Summary

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

ValueIdLookupOptimizer

public ValueIdLookupOptimizer(RdbmsValueFactory vf)

Method Detail

optimize

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

Specified by:

optimize in interface QueryOptimizer