org.openrdf.sesame.sail.query
Class QueryOptimizer

java.lang.Object
  org.openrdf.sesame.sail.query.QueryOptimizer

public class QueryOptimizer

extends Object

A default query optimizer that applies some generally applicable optimizations.

Author:

Arjohn Kampman

Constructor Summary

QueryOptimizer()

Method Summary

static void

optimizeQuery(Query qc) Applies some generally applicable optimizations to the supplied query: variable assignments are inlined, and path expressions are sorted from more to less specific.

Methods inherited from class java.lang.Object

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

Constructor Detail

QueryOptimizer

public QueryOptimizer()

Method Detail

optimizeQuery

public static void optimizeQuery(Query qc)

Applies some generally applicable optimizations to the supplied query: variable assignments are inlined, and path expressions are sorted from more to less specific.