How about if a ReadableIntervalable ;-) interface was created?

public class MyInterval extends BaseInterval implements ReadableIntervalable
{

        public MyInterval (ReadableInstant start, ReadableInstant end) {
                super(start, end);
        }

        public ReadableInterval asReadableInterval() {
                return this;
        }
}

It would make integration into client code simpler and less invasive.
I guess similar for Instants and some thought as to what is really req'd ie
read/write/Instant etc

Now I can do this:

public float calculateDuration(List<? extends ReadableIntervalable>
intervals) {

        for (ReadableIntervalable interval : intervals) {
                millis += interval.asReadableInterval().toDurationMillis();
        }

        return getDuration();
}

--
Mike W




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