Hi,
We are using a lot of Dates in our application but we use a homemade
Date class for that. Therefore, we cannot use > and < provided by
Drools. I looked through the mailing list but could not find any
examples using Dates in Drools other than in the documentation. What
interested me in particular in the documentation was "If more control is
required, use the predicate constraint."
Could someone give some examples of using predicate constraint with dates?
Something I would like to do, for example, is the following :
If there is an obj1 of class A with field of type Date d1 and another
obj2 of class A with field Date d2, where d1 is before d2, obj2 should
be used to fire something.
rule XXX
when
obj : A( $date : mydate)
// do not know how to use constraint on date here.
then
// something
obj.doSomething();
end
Thanks for your input.
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