docs: public BeanO activateBean(EJBThreadData threadData, ContainerTx tx, BeanId beanId)
                      throws RemoteException
      {
          BeanO beanO = null;
  
          try
          {
              beanO = beanId.getActivationStrategy().atActivate(threadData, tx, beanId); // d630940
          } finally
          {
              if (beanO != null)
              {
                  threadData.popCallbackBeanO();
              }
          }
  
          return beanO;
      }