code: private void initialize(final boolean _step)
          throws EFapsException
      {
          if (!this.init) {
              squash();
              evalAccess();
              this.init = true;
              if (_step) {
                  step(this.selection.getAllSelects());
              }
          }
      }
docs: Initialize.
  
  @param _step the step
  @throws EFapsException on Error