private void appendNavigationProperties(
final XMLStreamWriter writer, final EdmStructuredType type) throws XMLStreamException {
List<String> navigationPropertyNames = new ArrayList<String>(type.getNavigationPropertyNames());
if (type.getBaseType() != null) {
navigationPropertyNames.removeAll(type.getBaseType().getNavigationPropertyNames());
}
for (String navigationPropertyName : navigationPropertyNames) {
EdmNavigationProperty navigationProperty = type.getNavigationProperty(navigationPropertyName);
writer.writeStartElement(XML_NAVIGATION_PROPERTY);
writer.writeAttribute(XML_NAME, navigationPropertyName);
writer.writeAttribute(
XML_TYPE,
getAliasedFullQualifiedName(
navigationProperty.getType(), navigationProperty.isCollection()));
if (!navigationProperty.isNullable()) {
writer.writeAttribute(XML_NULLABLE, "" + navigationProperty.isNullable());
}
if (navigationProperty.getPartner() != null) {
EdmNavigationProperty partner = navigationProperty.getPartner();
writer.writeAttribute(XML_PARTNER, partner.getName());
}
if (navigationProperty.containsTarget()) {
writer.writeAttribute(XML_CONTAINS_TARGET, "" + navigationProperty.containsTarget());
}
if (navigationProperty.getReferentialConstraints() != null) {
for (EdmReferentialConstraint constraint : navigationProperty.getReferentialConstraints()) {
writer.writeEmptyElement("ReferentialConstraint");
writer.writeAttribute(XML_PROPERTY, constraint.getPropertyName());
writer.writeAttribute("ReferencedProperty", constraint.getReferencedPropertyName());
}
}
writer.writeEndElement();
}
}
