code: public void setUserName(final String userName) {
  
          if (TraceComponent.isAnyTracingEnabled() && TRACE.isDebugEnabled()) {
              SibTr.debug(this, TRACE, "UserName", userName);
          }
          _userName = userName;
  
      }
docs: /*
  (non-Javadoc)
  
  @see com.ibm.wsspi.sib.ra.SibRaActivationSpec#setUserName(java.lang.String)