Date: 2004-08-23T13:03:36 Editor: 217.43.244.60 <> Wiki: Jakarta Commons Wiki Page: Collections Questions URL: http://wiki.apache.org/jakarta-commons/Collections Questions
no comment Change Log: ------------------------------------------------------------------------------ @@ -2,9 +2,9 @@ = Predicate Logic = -Is there some easy way to chain predicates -- or do complex boolean logic. I would like to build a rule system based on the Predicate type but I dont like how the evaluate method takes an Object. I would rather have each Predicate be "setup" via some sort of interface PredicateContext (rather than Object) in the constructor (or factory method in this case). +Q: Is there some easy way to chain predicates -- or do complex boolean logic. I would like to build a rule system based on the Predicate type but I dont like how the evaluate method takes an Object. I would rather have each Predicate be "setup" via some sort of interface PredicateContext (rather than Object) in the constructor (or factory method in this case). -The collections project provides a complete set of predicates including And and Or in the functor subpackage. However, for full functor based programming please consider using commons-functor at http://jakarta.apache.org/commons/sandbox/functor +A: The collections project provides a complete set of predicates including And and Or in the functor subpackage. However, for full functor based programming please consider using commons-functor at http://jakarta.apache.org/commons/sandbox/functor ---- --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
