Works for me! :-) -- Tim Moore / Blackboard Inc. / Software Engineer 1899 L Street, NW / 5th Floor / Washington, DC 20036 Phone 202-463-4860 ext. 258 / Fax 202-463-4863
> -----Original Message----- > From: Jack, Paul [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, April 23, 2002 4:42 PM > To: 'Jakarta Commons Developers List' > Subject: RE: [Collections][SUBMIT] TypedList > > > > PredicatedList would just take a Predicate in its constructor, and > > anytime someone adds an element it throws an exception if the > > predicate's evalute method returns false on the element. Then when > > TypedList extends PredicatedList it becomes a very small class that > > simply constructs a TypeCheckPredicate and passes it to its > > superclass. > > I wouldn't even have a subclass for TypedList; I'd just put a > static convience method in the TypeCheckPredicate class: > > static List getTypeCheckedList(List list, Class type) > { > return new PredicateList(list, new TypeCheckPredicate(type)); > } > > -Paul -- To unsubscribe, e-mail: <mailto:[EMAIL PROTECTED]> For additional commands, e-mail: <mailto:[EMAIL PROTECTED]>
