code: public long getCreationTime() {
          if (!_iSess.isValid())
              throw new IllegalStateException();
          long value = 0;
          if (_iSess != null) {
              value = _iSess.getCreationTime();
          }
          return value;
      }
docs: /*
  (non-Javadoc)
  
  @see
  com.ibm.websphere.servlet.session.IBMApplicationSession#getCreationTime()