From: Eric Hodel <drbrain@...7.net>
Date: 2004-05-25T11:31:14-07:00
Subject: Re: defining condititions

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Florian Weber (csshsh@structbench.com) wrote:

> hi!
>=20
> im trying to define a set of rules with ruby, however i cant find a more
> ruby-like way to do so..
>=20
> instead of doing something like
>=20
> my_set.add(NotNamedRule("orange").new)
> my_set.add(HasPropertyRule("color").new)
> my_set.add(OrRule(HasPropertyRule("size").new,=20
> HasPropertyRule("weight").new))
>=20
> (i know this is a horrible example. excuse the awful 'design'. its=20
> justs to illustrate
> what i not wanna have ; )
>=20
> i wanna do something like
>=20
> my_set.rules =3D !name("orange") && hasProperty("color") &&=20
> (hasProperty("size") || hasProperty("weight"))
>=20
> can anybody think of a nice way to do this?

Have a look at Criteria: http://mephle.org/Criteria/

--=20
Eric Hodel - drbrain@segment7.net - http://segment7.net
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