How to use

dataRangesDAG

method

in

it.unibz.inf.ontop.spec.ontology.ClassifiedTBox

private ImmutableMap<IRI, Datatype> getDescendentNodesPartialMap(ClassifiedTBox reasoner, DataRangeExpression node,
                                    Equivalences<DataRangeExpression> nodeSet) {
  if (node instanceof Datatype) {
    return reasoner.dataRangesDAG().getSub(nodeSet).stream()
        .map(Equivalences::getRepresentative)
        .filter(d -> d != node)
        .map(this::getPredicateIRI)
        .filter(Optional::isPresent)
        .collect(ImmutableCollectors.toMap(
            Optional::get,
            d -> (Datatype) node
        ));
  }
  return ImmutableMap.of();
}

private ImmutableMap<Predicate, Datatype> getDescendentNodesPartialMap(ClassifiedTBox reasoner, DataRangeExpression node,
                                    Equivalences<DataRangeExpression> nodeSet) {
  if (node instanceof Datatype) {
    return reasoner.dataRangesDAG().getSub(nodeSet).stream()
        .map(Equivalences::getRepresentative)
        .filter(d -> d != node)
        .map(this::getPredicate)
        .filter(Optional::isPresent)
        .collect(ImmutableCollectors.toMap(
            Optional::get,
            d -> (Datatype) node
        ));
  }
  return ImmutableMap.of();
}

/**
 * Produces a map from datatypeProperty to corresponding datatype according to the ontology (the datatype may
 * be inferred).
 * This is a rewriting of method:
 * it.unibz.inf.ontop.owlrefplatform.core.mappingprocessing.MappingDataTypeRepair#getDataTypeFromOntology
 * from Ontop v 1.18.1
 */
private ImmutableMultimap<IRI, Datatype> computeDataTypeMap(ClassifiedTBox reasoner) {
  // TODO: switch to guava > 2.1, and replace by Streams.stream(iterable)
  return StreamSupport.stream(reasoner.dataRangesDAG().spliterator(), false)
      .flatMap(n -> getPartialPredicateToDatatypeMap(n, reasoner).entrySet().stream())
      .collect(ImmutableCollectors.toMultimap(
          e -> e.getKey(),
          Map.Entry::getValue));
}

/**
 * Produces a map from datatypeProperty to corresponding datatype according to the ontology (the datatype may
 * be inferred).
 * This is a rewriting of method:
 * it.unibz.inf.ontop.owlrefplatform.core.mappingprocessing.MappingDataTypeRepair#getDataTypeFromOntology
 * from Ontop v 1.18.1
 */
private ImmutableMultimap<String, Datatype> computeDataTypeMap(ClassifiedTBox reasoner) {
  // TODO: switch to guava > 2.1, and replace by Streams.stream(iterable)
  return StreamSupport.stream(reasoner.dataRangesDAG().spliterator(), false)
      .flatMap(n -> getPartialPredicateToDatatypeMap(n, reasoner).entrySet().stream())
      .collect(ImmutableCollectors.toMultimap(
          e -> e.getKey().getName(),
          Map.Entry::getValue));
}