org.aksw.jena_sparql_api.concept_cache.dirty

Class JoinSizeChecker

java.lang.Object

org.aksw.jena_sparql_api.concept_cache.dirty.JoinSizeChecker

public class JoinSizeChecker
extends Object

Constructor Summary

Constructors

Constructor and Description
JoinSizeChecker()

Method Summary

Methods

Modifier and Type	Method and Description
static Map<com.hp.hpl.jena.sparql.core.Quad,CountInfo>	analyze(QueryExecutionFactory qef, Map<com.hp.hpl.jena.sparql.core.Quad,Set<Set<com.hp.hpl.jena.sparql.expr.Expr>>> quadToCnf, Long limit)
static Map<com.hp.hpl.jena.sparql.core.Quad,CountInfo>	analyze(QueryExecutionFactory qef, QuadFilterPattern qfp, Long limit)
static com.hp.hpl.jena.query.Query	createQueryCount(com.hp.hpl.jena.sparql.core.Var countVar, com.hp.hpl.jena.sparql.syntax.Element e, Long limit)
static CountInfo	fetchCount(QueryExecutionFactory qef, com.hp.hpl.jena.sparql.syntax.Element e, Long limit)
static com.hp.hpl.jena.sparql.syntax.Element	limitElement(com.hp.hpl.jena.sparql.syntax.Element e, long limit)
static void	main(String[] args)
static List<com.hp.hpl.jena.sparql.core.Quad>	orderBySelectivity(Map<com.hp.hpl.jena.sparql.core.Quad,CountInfo> quadToCountInfo)
static void	partition(QuadFilterPattern qfp)
static com.hp.hpl.jena.sparql.syntax.Element	toElement(com.hp.hpl.jena.sparql.core.Quad quad, Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)

Methods inherited from class java.lang.Object

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

Constructor Detail

JoinSizeChecker

public JoinSizeChecker()

Method Detail

fetchCount

public static CountInfo fetchCount(QueryExecutionFactory qef,
                   com.hp.hpl.jena.sparql.syntax.Element e,
                   Long limit)

limitElement

public static com.hp.hpl.jena.sparql.syntax.Element limitElement(com.hp.hpl.jena.sparql.syntax.Element e,
                                                 long limit)

createQueryCount

public static com.hp.hpl.jena.query.Query createQueryCount(com.hp.hpl.jena.sparql.core.Var countVar,
                                           com.hp.hpl.jena.sparql.syntax.Element e,
                                           Long limit)

toElement

public static com.hp.hpl.jena.sparql.syntax.Element toElement(com.hp.hpl.jena.sparql.core.Quad quad,
                                              Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)

analyze

public static Map<com.hp.hpl.jena.sparql.core.Quad,CountInfo> analyze(QueryExecutionFactory qef,
                                                      QuadFilterPattern qfp,
                                                      Long limit)

Parameters:

qef -

qfp -

orderBySelectivity

public static List<com.hp.hpl.jena.sparql.core.Quad> orderBySelectivity(Map<com.hp.hpl.jena.sparql.core.Quad,CountInfo> quadToCountInfo)

analyze

public static Map<com.hp.hpl.jena.sparql.core.Quad,CountInfo> analyze(QueryExecutionFactory qef,
                                                      Map<com.hp.hpl.jena.sparql.core.Quad,Set<Set<com.hp.hpl.jena.sparql.expr.Expr>>> quadToCnf,
                                                      Long limit)

partition

public static void partition(QuadFilterPattern qfp)

main

public static void main(String[] args)