code: public void assertValidControllable() throws SIMPControllableNotFoundException
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.entry(tc, "assertValidControllable");
      
      if(_messageID == AbstractItem.NO_ID)
      {
        SIMPControllableNotFoundException finalE =
          new SIMPControllableNotFoundException(
            nls.getFormattedMessage(
              "INTERNAL_MESSAGING_ERROR_CWSIP0005",
              new Object[] {"QueuedMessage.assertValidControllable",
                            "1:683:1.66",
                            Long.toString(_messageID)},
              null));
    
        SibTr.exception(tc, finalE);
        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
          SibTr.exit(tc, "assertValidControllable", finalE);
        throw finalE;
      }
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.exit(tc, "assertValidControllable");
    }
docs: /* (non-Javadoc)
  @see com.ibm.ws.sib.processor.runtime.AbstractControllable#checkValidControllable()