public BooleanProperty discreteMinutesProperty() {
        if (null == discreteMinutes) {
            discreteMinutes = new BooleanPropertyBase() {
                @Override protected void invalidated() {
                    stopTask(periodicTickTask);
                    if (isAnimated()) return;
                    scheduleTickTask();
                }
                @Override public Object getBean() { return Tile.this; }
                @Override public String getName() { return "discreteMinutes"; }
            };
        }
        return discreteMinutes;
    }
Defines if the minute hand of the clock should move in
discrete steps of 1 minute. Otherwise it will move continuously like
in an automatic clock.
@param DISCRETE
src/main/java/eu/hansolo/tilesfx/Tile.java