Inheritance diagram for VocabularyStore.ValueCache< K >:

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Collaboration diagram for VocabularyStore.ValueCache< K >:

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Package Functions
	ValueCache (Property property, boolean inverse)

abstract K	pickBestValue (Set< RDFNode > candidates)

K	get (String iri)

K	getCached (String iri)

Private Member Functions
K	pickBestFromModel (Model m, String iri)

Set< RDFNode >	getValues (Resource r)

Set< RDFNode >	getInverseValues (Resource r)

Private Attributes
final Property	property

final boolean	inverse

final Map< String, K >	cache = new HashMap<String, K>()

Constructor & Destructor Documentation

◆ ValueCache()

ValueCache	(	Property	property,
		boolean	inverse
	)

package

                                                                {
                         this.property = property;
                         this.inverse = inverse;
                 }

References VocabularyStore.ValueCache< K >.inverse, and VocabularyStore.ValueCache< K >.property.

Member Function Documentation

◆ get()

K get ( String iri )

package

                                   {
                         if (cache.containsKey(iri)) {
                                 return cache.get(iri);
                         }
                         K best = null;
                         if (dataSource.canDescribe(iri)) {
                                 best = pickBestFromModel(dataSource.describeResource(iri), iri);
                         }
                         cache.put(iri, best);
                         return best;
                 }

References VocabularyStore.ValueCache< K >.cache, DataSource.canDescribe(), VocabularyStore.dataSource, DataSource.describeResource(), and VocabularyStore.ValueCache< K >.pickBestFromModel().

Referenced by VocabularyStore.getWeight().

◆ getCached()

K getCached ( String iri )

package

                                         {
                         return cache.get(iri);
                 }

References VocabularyStore.ValueCache< K >.cache.

◆ getInverseValues()

Set<RDFNode> getInverseValues ( Resource r )

private

                                                                   {
                         Set<RDFNode> nodes = new HashSet<RDFNode>();
                         StmtIterator it = r.listProperties(OWL.inverseOf);
                         while (it.hasNext()) {
                                 RDFNode object = it.next().getObject();
                                 if (!object.isResource()) continue;
                                 StmtIterator it2 = object.asResource().listProperties(property);
                                 while (it2.hasNext()) {
                                         nodes.add(it2.next().getObject());
                                 }
                         }
                         return nodes;
                 }

References VocabularyStore.ValueCache< K >.property.

Referenced by VocabularyStore.ValueCache< K >.pickBestFromModel().

◆ getValues()

Set<RDFNode> getValues ( Resource r )

private

                                                            {
                         Set<RDFNode> nodes = new HashSet<RDFNode>();
                         StmtIterator it = r.listProperties(property);
                         while (it.hasNext()) {
                                 nodes.add(it.next().getObject());
                         }
                         return nodes;
                 }

References VocabularyStore.ValueCache< K >.property.

Referenced by VocabularyStore.ValueCache< K >.pickBestFromModel().

◆ pickBestFromModel()

K pickBestFromModel	(	Model	m,
		String	iri
	)

private

                                                                  {
                         Resource r = m.getResource(iri);
                         Set<RDFNode> nodes = inverse ? getInverseValues(r) : getValues(r);
                         return pickBestValue(nodes);
                 }