code: @JSFProperty(literalOnly=true, faceletsOnly=true)
      public boolean isRowStatePreserved()
      {
          Boolean b = (Boolean) getStateHelper().get(PropertyKeys.rowStatePreserved);
          return b == null ? false : b.booleanValue(); 
      }
docs: Indicates whether the state for a component in each row should not be
  discarded before the datatable is rendered again.
  
  This property is similar to tomahawk t:dataTable preserveRowStates
  
  This will only work reliable if the datamodel of the
  datatable did not change either by sorting, removing or
  adding rows. Default: false
  
  @return