code: public void assertValidControllable() throws SIMPControllableNotFoundException
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.entry(tc, "assertValidControllable");
  
      if(xmitPointControl != null)
      {
        xmitPointControl.assertValidControllable();
      }
  //      if(itemStream == null || !itemStream.isInStore())
  //      {
  //        SIMPControllableNotFoundException e = new SIMPControllableNotFoundException("Controllable no longer exists");
  //        if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
  //          SibTr.exception(tc, e);
  //        throw e; 
  //      }
    
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.exit(tc, "assertValidControllable");
    }
docs: /* (non-Javadoc)
  @see com.ibm.ws.sib.processor.runtime.AbstractControllable#checkValidControllable()