public Timestamp recalculateEstimatedCompletionDate(){
  this.updateCompletionDate=false;
  return recalculateEstimatedCompletionDate(Long.valueOf(0),estimatedStartDate);
}

public Timestamp recalculateEstimatedCompletionDate ( ) { this . updateCompletionDate = false ; return recalculateEstimatedCompletionDate ( Long . valueOf ( 0 ) , estimatedStartDate ) ; }
call recalculateestimatedcompletiondate ( 0 , estimatedstartdate ) , so recalculated for all the routing tasks .
