commons-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Dakota Jack <dakota.j...@gmail.com>
Subject Re: [collections] predicate algebra
Date Fri, 03 Jun 2005 21:19:23 GMT
Sorry that this is not helpful but I was surprised to see this
"predicate algebra".  Is this the first or second -order predicate
calculus with or without identify?  If so, I will be hornswaggled.  I
love that stuff.  Please let me know what this is all about.



On 6/3/05, jakarta@reider.net <jakarta@reider.net> wrote:
> Would it make implementation sense for predicates to extend a common
> class (ConcretePredicate, PredicateImpl or some such)?
> 
> Then one could conceivably write eg "predicate1.and(predicate2)"
> in place of "new AndPredicate(predicate1,predicate2)".
> 
> and other relational operators, eg andNot defined in the root class.
> 
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: commons-user-unsubscribe@jakarta.apache.org
> For additional commands, e-mail: commons-user-help@jakarta.apache.org
> 
> 


-- 
"You can lead a horse to water but you cannot make it float on its back."
~Dakota Jack~

---------------------------------------------------------------------
To unsubscribe, e-mail: commons-user-unsubscribe@jakarta.apache.org
For additional commands, e-mail: commons-user-help@jakarta.apache.org


Mime
View raw message