code: public void setRAKey(String raKey)
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
          {
              Tr.entry(tc, "MEF.setRAKey for enterprise class " + beanMetaData.enterpriseBeanName);
          }
  
          ivRAKey = raKey;
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
          {
              Tr.exit(tc, "MEF.setRAKey for enterprise class " + beanMetaData.enterpriseBeanName);
          }
      }
docs: Set the Resource Adapter key that uniquely identifies
  the RA. This key is useful as a unique identifier in
  error messages.