code: public void produceTopicMessage(String destinationName, String messageData, String recipients) {
          Message msg = createObjectMessage(messageData, "anonymous", recipients);
          sendMessage(destinationName, msg);
      }
docs: Produces topic message. Uses JmsTemplate to send to local broker and forwards (based on
  demand) to broker network.
  
  @param destinationName The destination name.
  @param messageData The message data.
  @param recipients Comma-delimited list of recipient ids.