org.openrdf.query.algebra.evaluation.impl

Class OrderLimitOptimizer

java.lang.Object

org.openrdf.query.algebra.evaluation.impl.OrderLimitOptimizer

All Implemented Interfaces:

QueryOptimizer

public class OrderLimitOptimizer
extends Object
implements QueryOptimizer

Moves the Order node above the Projection when variables are projected.

Author:

James Leigh

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	OrderLimitOptimizer.OrderOptimizer

Constructor Summary

Constructors

Constructor and Description
OrderLimitOptimizer()

Method Summary

Methods

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

OrderLimitOptimizer

public OrderLimitOptimizer()

Method Detail

optimize

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

Specified by:

optimize in interface QueryOptimizer