public Set<OWLAxiom> write(OWLDatatype datatype) {
Set<OWLAxiom> axioms = new HashSet<OWLAxiom>();
axioms.addAll(writeEntityStart(DATATYPE, datatype));
if (!isFiltered(AxiomType.DATATYPE_DEFINITION)) {
for (OWLOntology ontology : getOntologies()) {
Set<OWLDataRange> dataRanges = new TreeSet<OWLDataRange>();
for (OWLDatatypeDefinitionAxiom ax : ontology.getDatatypeDefinitions(datatype)) {
if (isDisplayed(ax)) {
axioms.add(ax);
dataRanges.add(ax.getDataRange());
}
}
writeSection(EQUIVALENT_TO, dataRanges, ",", true, ontology);
}
}
writeEntitySectionEnd(DATATYPE.toString());
return axioms;
}
