private boolean isInValidTimeFrameLevel2(final ExecutionYear executionYear) {
   return executionYear != null && executionYear.isCurrent();
 }
 private boolean isInValidTimeFrameLevel1(final ExecutionYear executionYear) {
   return executionYear != null
       && (executionYear.isCurrent()
           || isInValidTimeFrameLevel2(executionYear.getNextExecutionYear()));
 }