How to style a Row of CellTable when user click on a Cell (GWT)?

I want that when user click on a Cell belonging to a row of CellTable, then it will style the row.

So I tried:

       myColumn.setFieldUpdater(new FieldUpdater<String[], String>(){              @Override              public void update(int index, String[] object, String value){                  if(mycondition){                      myCellTable.getRowElement(index).addClassName(getView().getRes().css().blueText());                      myCellTable.redraw();                  }                }          });  

As stated in the above code, we can capture the index of the row, so row no is not the problem, but why nothing happened.

So How to fix it?

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