Package org.aksw.facete.v4.impl

Class PropertyResolverImpl

java.lang.Object

org.aksw.facete.v4.impl.PropertyResolverImpl

All Implemented Interfaces:

PropertyResolver

public class PropertyResolverImpl
extends Object
implements PropertyResolver

Class for resolving paths of RDF properties (via FacetPath} to SPARQL elements.

Field Summary

Fields

Modifier and Type	Field	Description
protected Map<String,Fragment2>	iriToRelation
protected int	nextPropertyId
static final org.apache.jena.rdf.model.Property	virtualPropertyDefinition

Constructor Summary

Constructors

Constructor	Description
PropertyResolverImpl()

Method Summary

Modifier and Type	Method	Description
String	allocate(org.apache.jena.sparql.path.Path path)	Allocate a fresh property name for a given SPARQL Property path
static org.apache.jena.sparql.syntax.Element	createElementFromConcretePredicate(org.apache.jena.sparql.core.Var parentVar, org.apache.jena.graph.Node predicateNode, org.apache.jena.sparql.core.Var targetVar, boolean isFwd)
static org.apache.jena.query.Dataset	getVirtualProperties()
void	put(String iri, Fragment2 relation)
Fragment	resolve(org.apache.jena.graph.Node property)	Resolve a property to its definition.
org.apache.jena.sparql.syntax.Element	resolve(org.apache.jena.sparql.core.Var parentVar, org.apache.jena.graph.Node predicateNode, org.apache.jena.sparql.core.Var targetVar, boolean isFwd)
static void	testLoadShacl()

Methods inherited from class java.lang.Object

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

Field Details

virtualPropertyDefinition

public static final org.apache.jena.rdf.model.Property virtualPropertyDefinition

nextPropertyId

protected int nextPropertyId

iriToRelation

protected Map<String,Fragment2> iriToRelation

Constructor Details

PropertyResolverImpl

public PropertyResolverImpl()

Method Details

getVirtualProperties

public static org.apache.jena.query.Dataset getVirtualProperties()

resolve

public Fragment resolve(org.apache.jena.graph.Node property)

Description copied from interface: PropertyResolver

Resolve a property to its definition. By default, a property P maps to the definition "?s ?o WHERE { ?s P ?o }".

Specified by:

resolve in interface PropertyResolver

Parameters:

property - The property node for which to carry out a lookup

Returns:

The relation that is the result of the lookup. Never null.

put

public void put(String iri,
 Fragment2 relation)

resolve

public org.apache.jena.sparql.syntax.Element resolve(org.apache.jena.sparql.core.Var parentVar,
 org.apache.jena.graph.Node predicateNode,
 org.apache.jena.sparql.core.Var targetVar,
 boolean isFwd)

testLoadShacl

public static void testLoadShacl()

allocate

public String allocate(org.apache.jena.sparql.path.Path path)

Allocate a fresh property name for a given SPARQL Property path

createElementFromConcretePredicate

public static org.apache.jena.sparql.syntax.Element createElementFromConcretePredicate(org.apache.jena.sparql.core.Var parentVar,
 org.apache.jena.graph.Node predicateNode,
 org.apache.jena.sparql.core.Var targetVar,
 boolean isFwd)