@Override
    public Timer createCalendarTimer(ScheduleExpression schedule) throws IllegalArgumentException,
            IllegalStateException, EJBException {
        return this.createCalendarTimer(schedule, null);
    }
@Override
    public Timer createCalendarTimer(ScheduleExpression schedule) throws IllegalArgumentException,
            IllegalStateException, EJBException {
        return this.createCalendarTimer(schedule, null);
    }
@ Override public Timer createCalendarTimer ( ScheduleExpression schedule ) throws IllegalArgumentException , IllegalStateException , EJBException { return this . createCalendarTimer ( schedule , null ) ; }
{@inheritDoc}
{