I've used Validity before, but I'm not using it anymore. My impression is that very few people are using it (no one maybe?). Last time I checked the ValidityModeler app wouldn't start due do some build issues. I like the idea of the Validity and it simplifies things, but at this point it's probably not a good choice for new development.
John On Thu, May 14, 2009 at 7:38 AM, Gustavo Pizano <[email protected]>wrote: > LOL... thanks for the feeling. Im serious about WO, but I can't travel > that easily to the States. Os my only source of info its PWO, apple docs, > and the list... oh yes and my motivation to keep going. > On Thu, May 14, 2009 at 2:20 PM, David LeBer > <[email protected]>wrote: > >> On 14-May-09, at 6:24 AM, Pascal Robert wrote: >> >> >>> Le 09-05-14 à 05:24, Timo Hoepfner a écrit : >>> >>> Hi Gustavo, >>>> >>>> nevertheless, if you can wait a few weeks, I'd wait for the new >>>> validation framework that Chuck announces in his WOWODC session >>>> description. >>>> >>>> There is another validation framework, that wasn't mentioned yet: >>>> http://code.google.com/p/houdah-webobjects-frameworks/wiki/HoudahEOValidation >>>> >>> >>> ... which was explained at WOWODC 2008 :-) >>> >> >> The moral of this story being: If you are serious about using WebObjects >> you should attend WOWODC! :-) >> >> >> >>> Timo >>>> >>>> >>>> >>>> Am 14.05.2009 um 10:41 schrieb Gustavo Pizano: >>>> >>>> I wish I can... :( . Im in Slovakia... and can't go the WOWODC. I >>>>> missing all the good stuff.... >>>>> >>>>> Maybe I will be buying the videos after the WOWODC.. if there are gonna >>>>> be posted. >>>>> >>>>> >>>>> >>>>> On Thu, May 14, 2009 at 10:22 AM, Timo Hoepfner <[email protected]> >>>>> wrote: >>>>> Maybe visiting WOWODC would make your life much easier: >>>>> >>>>> >>>>> --- snip --- >>>>> >>>>> EOF Validation: The Next Generation >>>>> Speaker : Chuck Hill >>>>> >>>>> Validation is one of the least satisfactory parts of WebObjects. It >>>>> shows signs of promise and of abandonment, like a prototype left >>>>> uncompleted. We will start with a survey of the state of validation in >>>>> WebObjects and the extensions found in Wonder's core ERExtensions >>>>> frameworks; the seldom used Validity framework; and in the GVC >>>>> EOFValidation >>>>> framework. We will then dive in to take a look at EOF validation "deep >>>>> under >>>>> the covers" focusing on the mechanics of how it can be extended. We will >>>>> then define the functionality that will make the next generation of >>>>> validation for WebObjects and examine an implementation. >>>>> >>>>> With a validation roadmap in place and a highly functional validation >>>>> base available, we will turn our attention to the WOComponent presentation >>>>> layer. Here, too, validation handling leaves much to be desired and the >>>>> functionality is not clear. We will look at the often ignored validation >>>>> handling in WOComponent and how it quickly breaks down. We separate >>>>> WOComponents into two categories, Pages and PageComponents, and get them >>>>> to >>>>> co-operate in handling validation. The result will be a page that can >>>>> orchestrate validation handling, including handling optimistic locking >>>>> exceptions equally whether they occur within one EOF stack or across >>>>> instances. This will allow us to create drop-in components that can handle >>>>> their own validation in a co-operative fashion with the page. As with >>>>> validation, a functional, documented foundation will be supplied. >>>>> >>>>> In this session you will learn: >>>>> >>>>> how WebObjects validation is implemented >>>>> how WebObjects validation can be extended >>>>> how to make working with validation easier >>>>> how validation handling was intended to work with WOComponent >>>>> how to bring working validation handling to WOComponent >>>>> how to detect optimistic locking exceptions within one EOF stack >>>>> how to handle all optimistic locking exceptions >>>>> how to use inheritance and composition to make validation handling and >>>>> presentation painless >>>>> how to contribute to the future of EOF validation >>>>> The result of this session will be the release of two new frameworks >>>>> for WebObjects validation (one for the EOF layer and one for the >>>>> WOComponent >>>>> presentation layer). These frameworks will be written to be independent of >>>>> other frameworks (including Project Wonder) so everyone will be able to >>>>> use >>>>> and benefit from them. These frameworks will be functional, but there will >>>>> be areas where additional functionality can be added (such as support for >>>>> additional databases). The intention is that these will get completed by >>>>> others in the community. >>>>> >>>>> --- snip --- >>>>> >>>>> >From http://www.wocommunity.org/wowodc09/west/topics.html#validation >>>>> >>>>> Timo >>>>> >>>>> Am 14.05.2009 um 09:36 schrieb Gustavo Pizano: >>>>> >>>>> HEllo, after reading, the Validation Chapter on the PWO, at the end >>>>> Chick mention validity as an alternative... now, Im planing and designing >>>>> the whole implementation and strategy to follow. prior start coding.. I >>>>> want >>>>> to ask if using Validity will make my life easier,.. or in the other >>>>> hadnt I >>>>> should use the "Practical Solution" that they mention on the book... >>>>> Pros. >>>>> Cons... Im still little confused with the subject, but I think I >>>>> understand >>>>> most of the "stack call" that happens in the insights of the EOF when >>>>> validation occurs. >>>>> >>>>> Thanks to PWO and the EOF PG >>>>> >>>>> Gustavo >>>>> >>>> >> ;david >> >> -- >> David LeBer >> Codeferous Software >> 'co-def-er-ous' adj. Literally 'code-bearing' >> site: http://codeferous.com >> blog: http://davidleber.net >> profile: http://www.linkedin.com/in/davidleber >> twitter: http://twitter.com/rebeld >> -- >> Toronto Area Cocoa / WebObjects developers group: >> http://tacow.org >> >> >> >> >> _______________________________________________ >> Do not post admin requests to the list. 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