@Transactional
public void changeUserPassword(ChangeUserPasswordCommand aCommand) {
User user = this.existingUser(aCommand.getTenantId(), aCommand.getUsername());
user.changePassword(aCommand.getCurrentPassword(), aCommand.getChangedPassword());
}
@Transactional
public void changeUserPersonalName(ChangeUserPersonalNameCommand aCommand) {
User user = this.existingUser(aCommand.getTenantId(), aCommand.getUsername());