org.aksw.sparqlify.core.algorithms

Class ViewInstance<T extends IViewDef>

java.lang.Object

org.aksw.sparqlify.core.algorithms.ViewInstance<T>

public class ViewInstance<T extends IViewDef>
extends Object

View instances relate variables (usually those of of a SPARQL query subject to rewriting) to the variables and constants of a view. A view instance is comprised of - A view definition - A binding, which relates query variables to variables of the view and constants TODO View instances should implement a common interface with mappings

Author:

Claus Stadler

Constructor Summary

Constructors

Constructor and Description
ViewInstance(T viewDefinition, VarBinding binding)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj)
VarBinding	getBinding()
Set<RestrictedExpr>	getDefinitionsForViewVariable(com.hp.hpl.jena.sparql.core.Var viewVar) Convenience getter.
VarDefinition	getVarDefinition() Convenience getter.
T	getViewDefinition()
int	hashCode()
String	toString() Returns for a query variable the set of definitions that is indirectly associated with it via the binding

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

ViewInstance

public ViewInstance(T viewDefinition,
            VarBinding binding)

Method Detail

getViewDefinition

public T getViewDefinition()

getBinding

public VarBinding getBinding()

getDefinitionsForViewVariable

public Set<RestrictedExpr> getDefinitionsForViewVariable(com.hp.hpl.jena.sparql.core.Var viewVar)

Convenience getter. Returns the set of definitions associated with a view variable.

Parameters:

viewVar -

Returns:

getVarDefinition

public VarDefinition getVarDefinition()

Convenience getter. Returns the variable definitions underlying this instance.

Returns:

toString

public String toString()

Returns for a query variable the set of definitions that is indirectly associated with it via the binding

Overrides:

toString in class Object

Parameters:

queryVar -

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object