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From "Stephen Colebourne" <scolebou...@eurobell.co.uk>
Subject Re: [Collections][SUBMIT] PredicateUtils [was TypedList]
Date Thu, 02 May 2002 21:36:54 GMT
Hi,
Thanks for the cvs add.
Please find attached some basic unit tests for List, Set and Map.
Stephen
----- Original Message -----
From: James Strachan <james_strachan@yahoo.co.uk>
To: Jakarta Commons Developers List <commons-dev@jakarta.apache.org>
Sent: Thursday, May 02, 2002 7:17 AM
Subject: Re: [Collections][SUBMIT] PredicateUtils [was TypedList]


> Hi Stephen
>
> I've given the code a quick once-over and it looks great. Nice and clean.
> I've added into CVS - if anyone has any objections please speak up.
>
> Some JUnit test cases would be nice for this stuff ;-)
>
> James
> ----- Original Message -----
> From: "Stephen Colebourne" <scolebourne@eurobell.co.uk>
> To: "Jakarta Commons Developers List" <commons-dev@jakarta.apache.org>
> Sent: Wednesday, May 01, 2002 11:38 PM
> Subject: [Collections][SUBMIT] PredicateUtils [was TypedList]
>
>
> > Hi all,
> > Please find attached PredicateUtils.
> >
> > PredicateUtils is a single class that provides predicate (validating)
> > implementations of all java and commons collections:
> > Collection
> > List
> > Set, SortedSet
> > Map, SortedMap
> > Bag, SortedBag
> >
> > It also provides useful predicate classes:
> > True
> > False
> > And
> > Or
> > Not
> > instanceof
> >
> > To avoid polluting the commons package with the 18 classes necessary to
> > achieve this, they are all implemented as static nested classes within
> > PredicateUtils. This is similar to how synchronized and unmodifiable
> > collections work in java.util.Collections. All the classes are created
and
> > used by static factory methods, except True and False which are
constants.
> >
> > Feedback welcome on the implementation, and indications of acceptability
> for
> > actual inclusion in commons.
> >
> > Stephen
> >
>
>
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