code: @FFDCIgnore(NoSuchMethodException.class)
      private static boolean isRRSTransactional(Object activationSpec) {
          try {
              return (Boolean) activationSpec.getClass().getMethod("getRRSTransactional").invoke(activationSpec);
          } catch (NoSuchMethodException x) {
              return false;
          } catch (Exception x) {
              return false;
          }
      }
docs: Determines whether or not an activation spec is RRS transactional.
  
  @param activationSpec activation spec
  @return true if the activation spec is RRS transactional. False if not.