code: public boolean getState()               // init this field override for other value
      {
          if (this.getDataClass() == Boolean.class)
          {
              Boolean objData = (Boolean)this.getData();
              if (objData != null)
                  return objData.booleanValue();
          }
          return false;
      }
docs: Get the state of this boolean field.
  @return true if true, false if not boolean or null.