[rules-users] Find the lowest and highest dates

[LarryW]

I'm beginning to think that there is no min or max accumulates in 5.0.  If
that's the case, then the accumulate function gets way too complicated (I
can see why I was asked not to use accumulate!)

In that case, is using java in the Then segment the way I've shown the best
technique?

Here's the accumulate I was asked to simplify, that does work:

	$lh : BeginAndEndDates() from accumulate(
		ServiceLineDetail(
			serviceRelatedDates != null,
			serviceRelatedDates.serviceDates != null,
			$beginDate : serviceRelatedDates.serviceDates.beginDate,
			$endDate : serviceRelatedDates.serviceDates.endDate
			)
			from $claim.serviceLineInfoList,
		init(BeginAndEndDates lh = new BeginAndEndDates(); boolean first = true;),
		action(
			if (first && $beginDate != null) {lh.setBeginDate($beginDate); first =
false; };
			if ($beginDate != null && $beginDate.isBefore(lh.getBeginDate()))
lh.setBeginDate($beginDate);
			if ($endDate != null && $endDate.isAfter(lh.getEndDate()))
{lh.setEndDate($endDate); };
			),
		result(lh)
		);



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