Class ERule

base/src/main/java/net/time4j/YOWElement.java:375–533

    }

    private static class ERule<T extends ChronoEntity<T>>
        implements IntElementRule<T> {

        //~ Methoden ------------------------------------------------------

        @Override
        public Integer getValue(T context) {

            return Integer.valueOf(this.getInt(context));

        }

        @Override
        public Integer getMinimum(T context) {

            return YOWElement.INSTANCE.getDefaultMinimum();

        }

        @Override
        public Integer getMaximum(T context) {

            return YOWElement.INSTANCE.getDefaultMaximum();

        }

        @Override
        public boolean isValid(
            T context,
            Integer value
        ) {

            if (value == null) {
                return false;
            }

            int v = value.intValue();

            return (
                (v >= GregorianMath.MIN_YEAR)
                && (v <= GregorianMath.MAX_YEAR)
            );

        }

        @Override
        public T withValue(
            T context,
            Integer value,
            boolean lenient
        ) {

            if (value == null) {
                throw new IllegalArgumentException("Missing element value.");
            }

            PlainDate date = context.get(CALENDAR_DATE);
            date = setYearOfWeekdate(date, value.intValue());