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

Nested Classes

Modifier and Type	Class and Description
protected class	ValueIdLookupOptimizer.VarVisitor

Constructor Summary

Constructors

Constructor and Description
ValueIdLookupOptimizer(RdbmsValueFactory vf)

Method Summary

Modifier and Type	Method and Description
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