EDIT

            try {

                // TODO move into a service class --------------

                TransactionStatus txStatus = getRepo().startTransaction(true);

                Reference citation = getRepo().getReferenceService().load(workingset.getCitationUuid(), Arrays.asList("authorship.$", "inReference.authorship.$"));

                // here we completely ignore the ExistingNameRegistrationType since the user should not have the choice

                // to create a typification only registration in the working (publication) set which contains

                // the protologe. This is known from the nomenclatural reference.

                if(canCreateNameRegistrationFor(typifiedName)){

                    // the citation which is the base for workingset contains the protologe of the name and the name has not

                    // been registered before:

                    // create a registration for the name and the first typifications

                    Registration newRegistrationWithExistingName = getRepo().getRegistrationService().createRegistrationForName(typifiedName.getUuid());

                    workingset.add(new RegistrationDTO(newRegistrationWithExistingName, typifiedName, citation));

                    doReloadWorkingSet = true;

                } else {

                    if(!checkWokingsetContainsProtologe(typifiedName)){

                        // create a typification only registration

                        Registration typificationOnlyRegistration = getRepo().getRegistrationService().newRegistration();

                        if(!getRepo().getRegistrationService().checkRegistrationExistsFor(typifiedName)){

                            // oops, yet no registration for this name, so we create it as blocking registration:

                            Registration blockingNameRegistration = getRepo().getRegistrationService().createRegistrationForName(typifiedName.getUuid());

                            typificationOnlyRegistration.getBlockedBy().add(blockingNameRegistration);

                        }

                        RegistrationDTO regDTO = new RegistrationDTO(typificationOnlyRegistration, typifiedName, citation);

                        workingset.add(regDTO);

                getRepo().commitTransaction(txStatus);

                // --------------------------------------------------

                // tell the view to update the workingset

            } finally {

                getRepo().getSession().clear(); // #7702;

                refreshView(doReloadWorkingSet);

                getView().getAddExistingNameRegistrationButton().setEnabled(false);