code: @Override
      public void setTopicName(String tName) throws JMSException {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(this, tc, "setTopicName", tName);
          setDestDiscrim(tName);
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(this, tc, "setTopicName");
      }
docs: Set the topicName.
  
  @param tName The name of the topic
  @throws JMSException If setDestDiscrim throws one.
  @see JmsDestinationImpl#setDestDiscrim