code: @Override
      protected boolean putToEphemeralStorage(Connection conn, IQueueMessage<String, byte[]> _msg) {
          if (!(_msg instanceof UniversalIdStrQueueMessage)) {
              throw new IllegalArgumentException("This method requires an argument of type ["
                      + UniversalIdStrQueueMessage.class.getName() + "]!");
          }
          UniversalIdStrQueueMessage msg = (UniversalIdStrQueueMessage) _msg;
          int numRows = getJdbcHelper().execute(conn, SQL_PUT_TO_EPHEMERAL, getQueueName(),
                  msg.getId(), msg.getTimestamp(), msg.getQueueTimestamp(), msg.getNumRequeues(),
                  msg.getContent());
          return numRows > 0;
      }
docs: {@inheritDoc}