Unionbranch branch = branchIter.next();
List<CaseType> cases = branch.getCase();
for (Iterator<CaseType> caseIter = cases.iterator(); caseIter.hasNext();) {
CaseType cs = caseIter.next();
if (!members.containsKey(cs.getLabel())) {
UnionMember member = new UnionMember();
member.name = branch.getName();
member.type = getTypeCode(orb, branch.getIdltype(), typeMap, seenTypes);
member.label = orb.create_any();
// We need to insert the labels in a way that depends on the type of the
// discriminator. According to the CORBA specification, the following types