org.aksw.sparqlify.views.transform

Class FilterPlacementOptimizer

java.lang.Object

org.aksw.sparqlify.views.transform.FilterPlacementOptimizer

public class FilterPlacementOptimizer
extends Object

Author:

raven TODO Each Sparql-algebra node should carry the applicable filters (So: First copy the Op structure to custom Op classs, then rewrite the Filters)

Constructor Summary

Constructors

Constructor and Description
FilterPlacementOptimizer()

Method Summary

Methods

Modifier and Type	Method and Description
static com.hp.hpl.jena.sparql.algebra.Op	_optimize(com.hp.hpl.jena.sparql.algebra.op.OpDisjunction op, Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)
static com.hp.hpl.jena.sparql.algebra.Op	_optimize(com.hp.hpl.jena.sparql.algebra.op.OpDistinct op, Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)
static com.hp.hpl.jena.sparql.algebra.Op	_optimize(com.hp.hpl.jena.sparql.algebra.op.OpFilter op, Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)
static com.hp.hpl.jena.sparql.algebra.Op	_optimize(com.hp.hpl.jena.sparql.algebra.op.OpGroup op, Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)
static com.hp.hpl.jena.sparql.algebra.Op	_optimize(com.hp.hpl.jena.sparql.algebra.op.OpJoin op, Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)
static com.hp.hpl.jena.sparql.algebra.Op	_optimize(com.hp.hpl.jena.sparql.algebra.op.OpLeftJoin op, Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)
static com.hp.hpl.jena.sparql.algebra.Op	_optimize(com.hp.hpl.jena.sparql.algebra.op.OpNull op, Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)
static com.hp.hpl.jena.sparql.algebra.Op	_optimize(com.hp.hpl.jena.sparql.algebra.op.OpOrder op, Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)
static com.hp.hpl.jena.sparql.algebra.Op	_optimize(com.hp.hpl.jena.sparql.algebra.op.OpProject op, Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)
static com.hp.hpl.jena.sparql.algebra.Op	_optimize(OpRdfViewPattern op, Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)
static com.hp.hpl.jena.sparql.algebra.Op	_optimize(com.hp.hpl.jena.sparql.algebra.op.OpSlice op, Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)
static com.hp.hpl.jena.sparql.expr.ExprList	cnfToExprList(Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)
static Set<Set<com.hp.hpl.jena.sparql.expr.Expr>>	filterByVars(Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf, com.hp.hpl.jena.sparql.algebra.Op op)
static com.hp.hpl.jena.sparql.algebra.Op	optimize(com.hp.hpl.jena.sparql.algebra.Op op)
static com.hp.hpl.jena.sparql.algebra.Op	optimize(com.hp.hpl.jena.sparql.algebra.Op op, Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)
static com.hp.hpl.jena.sparql.algebra.Op	surroundWithFilterIfNeccessary(com.hp.hpl.jena.sparql.algebra.Op op, 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

FilterPlacementOptimizer

public FilterPlacementOptimizer()

Method Detail

optimize

public static com.hp.hpl.jena.sparql.algebra.Op optimize(com.hp.hpl.jena.sparql.algebra.Op op)

optimize

public static com.hp.hpl.jena.sparql.algebra.Op optimize(com.hp.hpl.jena.sparql.algebra.Op op,
                                         Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)

filterByVars

public static Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> filterByVars(Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf,
                                                      com.hp.hpl.jena.sparql.algebra.Op op)

_optimize

public static com.hp.hpl.jena.sparql.algebra.Op _optimize(com.hp.hpl.jena.sparql.algebra.op.OpOrder op,
                                          Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)

_optimize

public static com.hp.hpl.jena.sparql.algebra.Op _optimize(com.hp.hpl.jena.sparql.algebra.op.OpJoin op,
                                          Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)

_optimize

public static com.hp.hpl.jena.sparql.algebra.Op _optimize(com.hp.hpl.jena.sparql.algebra.op.OpDisjunction op,
                                          Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)

_optimize

public static com.hp.hpl.jena.sparql.algebra.Op _optimize(com.hp.hpl.jena.sparql.algebra.op.OpDistinct op,
                                          Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)

_optimize

public static com.hp.hpl.jena.sparql.algebra.Op _optimize(com.hp.hpl.jena.sparql.algebra.op.OpProject op,
                                          Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)

_optimize

public static com.hp.hpl.jena.sparql.algebra.Op _optimize(com.hp.hpl.jena.sparql.algebra.op.OpGroup op,
                                          Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)

_optimize

public static com.hp.hpl.jena.sparql.algebra.Op _optimize(com.hp.hpl.jena.sparql.algebra.op.OpFilter op,
                                          Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)

_optimize

public static com.hp.hpl.jena.sparql.algebra.Op _optimize(com.hp.hpl.jena.sparql.algebra.op.OpNull op,
                                          Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)

_optimize

public static com.hp.hpl.jena.sparql.algebra.Op _optimize(com.hp.hpl.jena.sparql.algebra.op.OpSlice op,
                                          Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)

_optimize

public static com.hp.hpl.jena.sparql.algebra.Op _optimize(com.hp.hpl.jena.sparql.algebra.op.OpLeftJoin op,
                                          Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)

cnfToExprList

public static com.hp.hpl.jena.sparql.expr.ExprList cnfToExprList(Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)

surroundWithFilterIfNeccessary

public static com.hp.hpl.jena.sparql.algebra.Op surroundWithFilterIfNeccessary(com.hp.hpl.jena.sparql.algebra.Op op,
                                                               Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)

_optimize

public static com.hp.hpl.jena.sparql.algebra.Op _optimize(OpRdfViewPattern op,
                                          Set<Set<com.hp.hpl.jena.sparql.expr.Expr>> cnf)