@Nicolas: The questions you raise are vaild. And ever present. Each will
find his/her own justification for the choice made. This project is not
about that. It offers a choice, based on a shared vision.

Best regards

Pierre Smits

*ORRTIZ.COM <http://www.orrtiz.com>*
Services & Solutions for Cloud-
Based Manufacturing, Professional
Services and Retail & Trade
http://www.orrtiz.com

On Tue, Apr 21, 2015 at 9:48 AM, Nicolas Malin <nicolas.ma...@nereide.fr>
wrote:

> Le 20/04/2015 22:27, Pierre Smits a écrit :
>
>> @Nicolas: in the end it is code change. Does your point of view reflect a
>> veto?
>>
> If the code change and the backward compatibility is present, no worries.
> We are an enterprise automation software not just a framework. Many
> companies trust in this stability and it's the main reason that I love
> OFBiz.
> I think we are relatively smart to don't break it ;)
>
> If I don't need backward compatibility without making customer project
> directly with Moqui/mantle, why keep Apache OFBiz ?
>
>
>
>
>> Best regards,
>>
>> Pierre Smits
>>
>> *ORRTIZ.COM <http://www.orrtiz.com>*
>> Services & Solutions for Cloud-
>> Based Manufacturing, Professional
>> Services and Retail & Trade
>> http://www.orrtiz.com
>>
>> On Mon, Apr 20, 2015 at 10:23 PM, Nicolas Malin <nicolas.ma...@nereide.fr
>> >
>> wrote:
>>
>>
>>>  We have to be aware that every project (proprietary or Open Source)
>>>> somewhere in the lifespan faces the moment of breaking backwards
>>>> compatibility of their products. Even today there are still some
>>>> products
>>>> whose owners had to walk that walk and survived.... But that is more
>>>> about
>>>> the trustworthiness of the owner/project. And even then it were  hard
>>>> walks....
>>>>
>>>>  Moqui is very attractive, at this time I think it will be embed in
>>> OFBiz
>>> framework and not replace it. Because it's important to have the backward
>>> compatibility (java interface, and xml model reader can be used to make
>>> sure it). It's the OFBiz strong !
>>>
>>> My point of view is : no backward compatibility, no discussion :)
>>>
>>> Nicolas
>>>
>>>  Best regards,
>>>>
>>>> Pierre Smits
>>>>
>>>> *ORRTIZ.COM <http://www.orrtiz.com>*
>>>> Services & Solutions for Cloud-
>>>> Based Manufacturing, Professional
>>>> Services and Retail & Trade
>>>> http://www.orrtiz.com
>>>>
>>>> On Mon, Apr 20, 2015 at 8:39 PM, David E. Jones <d...@me.com> wrote:
>>>>
>>>>   On 19 Apr 2015, at 22:31, Hans Bakker <mailingl...@antwebsystems.com>
>>>>
>>>>> wrote:
>>>>>
>>>>>  Again, as discussed at the ApacheCon in Austin we should start setting
>>>>>>
>>>>>>  up a plan how to best move the ERP application to the Moqui
>>>>> framework.
>>>>> Moqui should not be part of the Apache foundation however the ERP
>>>>> application should remain there.
>>>>>
>>>>>  Not only will it improve development of the ERP system but also will
>>>>>>
>>>>>>  establish a clean separation between application and frameworks and
>>>>> hopefully getting David Jones back into the project.
>>>>>
>>>>>  Yes, I realize i open the pandora box :-) but we need to make some
>>>>>> major
>>>>>>
>>>>>>  decisions....
>>>>>
>>>>> I'll write this general reply with my OFBiz hat on, not my Moqui one.
>>>>> For
>>>>> Moqui Framework being used by OFBiz would be fantastic. It would bring
>>>>> a
>>>>> lot of well needed use and attention to the project and get it to a
>>>>> level
>>>>> that would take much longer with the current pace of growth. The growth
>>>>> is
>>>>> increasing, but it's nothing like the early years of OFBiz when the
>>>>> marketplace was so different... at that time OFBiz was unique as there
>>>>> weren't many feature-rich open source ecommerce or ERP systems,
>>>>> especially
>>>>> not in Java! I still find it amazing that OFBiz took off as much as it
>>>>> did... I was 23 years old when I started it, and only had 2 years of
>>>>> full-time development work behind me, and only 1 year of that was on
>>>>> ecommerce and ERP systems. Andrew had more experience with custom
>>>>> ecommerce
>>>>> development, but mostly in Perl IIRC.
>>>>>
>>>>> Anyway, enough nostalgia, back to the present.
>>>>>
>>>>> Using Moqui Framework in OFBiz would involve some really significant
>>>>> changes. The Moqui API is much cleaner (and everything is available
>>>>> through
>>>>> the single ExecutionContext class), but much different from the
>>>>> scattered
>>>>> static classes of the OFBiz framework. It may be possible to refactor
>>>>> much
>>>>> of the code with some regex search/replace wizardry, but there is a LOT
>>>>> of
>>>>> code in OFBiz to change.
>>>>>
>>>>> The data model and to some extent service definitions would be easy. I
>>>>> have some FTL templates for transforming those that I'd be happy to
>>>>> share
>>>>> (they are in a private repo right now). I used these to create the
>>>>> little
>>>>> Moqui component that has the OFBiz data model from version 10.04 which
>>>>> I
>>>>> used with a client to run a sort of OFBiz/Moqui hybrid. On that note...
>>>>> if
>>>>> anyone wants to experiment with this that might be a good place to
>>>>> start:
>>>>> get the latest data model definitions in a Moqui component, deploy the
>>>>> Moqui WAR in the same servlet container as OFBiz (just drop it in an
>>>>> OFBiz
>>>>> component) and then run them in parallel accessing the same DB and play
>>>>> with migrating a few screens/etc.
>>>>>
>>>>> IMO the biggest questions/concerns should be:
>>>>>
>>>>> 1. the significant effort required to do the migration
>>>>> 2. the impact on current users and applications
>>>>>
>>>>> OFBiz would end up as a very different beast after such changes, there
>>>>> is
>>>>> no way around it. For example screen hierarchies, nesting, and URLs are
>>>>> handled totally different in Moqui. There are some very cool newer open
>>>>> source tools used in Moqui, and some cool features in Moqui that don't
>>>>> (yet) exist in OFBiz, and many of the more advanced and recent ones
>>>>> aren't
>>>>> mentioned here, but this is a basic list of fundamental differences
>>>>> between
>>>>> the two frameworks (see the "OFBiz: How does it compare to Moqui?"
>>>>> section
>>>>> near the bottom):
>>>>>
>>>>> http://www.moqui.org/framework/index.html
>>>>>
>>>>> OFBiz could do a custom set of FTL macros to transform screens and
>>>>> forms
>>>>> into HMTL/etc, but OOTB the UI is very different. This isn't just look
>>>>> and
>>>>> feel but also the approach to UI design. For example there are no
>>>>> lookup
>>>>> windows, other widgets and approaches are used instead (though those
>>>>> could
>>>>> be added... I just haven't found the need compared with other
>>>>> approaches
>>>>> that are often cleaner and easier for users). Looking at the demo
>>>>> server
>>>>> you'll see the big differences pretty quickly:
>>>>>
>>>>> http://demo.moqui.org/
>>>>>
>>>>> To go a deeper the Moqui book covers most of the framework and is
>>>>> available here:
>>>>>
>>>>> http://www.moqui.org/MakingAppsWithMoqui-1.0.pdf
>>>>>
>>>>> Is it a good idea? I'm not sure about that. Both concerns 1 and 2 above
>>>>> are a big deal. It would be a huge change for OFBiz users and not in
>>>>> any
>>>>> way backwards compatible. Not only the code in OFBiz but also all
>>>>> custom
>>>>> code built on OFBiz would have to be changed to update to the newest
>>>>> versions. Given the community and user driven reality of OFBiz, my
>>>>> guess
>>>>> is
>>>>> that the current architecture would never be fully abandoned and would
>>>>> live
>>>>> on into the foreseeable future with both bug fixes and new features
>>>>> going
>>>>> into it.
>>>>>
>>>>> On the other hand the growth potential is pretty substantial. Code in
>>>>> OFBiz would end up being much cleaner and smaller. Security (especially
>>>>> authz) could be ripped out of thousands of places and put in simple
>>>>> database configuration. There would be better ability to handle custom
>>>>> and
>>>>> generic RESTful and other web services. Elasticsearch is there ready to
>>>>> use
>>>>> for both full text search and analytics (ie using Elasticsearch as a
>>>>> distributed and efficient OLAP data store... with ETL done through
>>>>> simple
>>>>> mapping configuration as opposed to custom code). New developers would
>>>>> be
>>>>> able to get started much faster and work more efficiently, and
>>>>> experienced
>>>>> developers would be able to build custom apps faster than they've ever
>>>>> experienced. With Moqui and Mantle already to a pretty good place last
>>>>> fall
>>>>> I was able to build a 400 form ERP application in about 4 months
>>>>> working
>>>>> full time, and now Moqui/Mantle are far better because of this and
>>>>> other
>>>>> efforts going on so the time would be even less.
>>>>>
>>>>> To muddy the waters more: the data model, logic, and UI in OFBiz have a
>>>>> lot of room for improvement. I made dozens of general changes,
>>>>> resulting
>>>>> in
>>>>> hundreds of physical changes, to the OFBiz data model when rewriting it
>>>>> for
>>>>> the Mantle Business Artifacts project. Most, but not all, of the
>>>>> general
>>>>> changes are listed here:
>>>>>
>>>>> https://github.com/moqui/mantle/blob/master/mantle-udm/Planning.txt
>>>>>
>>>>> On top of that there is the logic layer. Mantle has a 100% service
>>>>> logic
>>>>> layer unlike the object/service hybrid in OFBiz. There is a LOT of
>>>>> functionality for order processing in OFBiz, including a few features
>>>>> still
>>>>> not implemented in Mantle (though Mantle does have a few that aren't in
>>>>> OFBiz), but that part of OFBiz is one of the most difficult and
>>>>> error-prone
>>>>> parts to work on or customize. I've been on various contracts where
>>>>> they
>>>>> gave up making changes there so wanted to hire it out... and I've
>>>>> turned
>>>>> down a few because I hate working on it too! The Mantle approach gets
>>>>> rid
>>>>> of the whole ShoppingCart object idea (and the various related objects
>>>>> and
>>>>> services to get it to do general stuff) and just puts the cart in the
>>>>> database as a tentative order. This eliminates the need for many
>>>>> thousands
>>>>> of lines of code, and makes it more flexible and faster at the same
>>>>> time.
>>>>>
>>>>> This is where I question whether it is a good idea to just replace the
>>>>> framework and leave all else as-is in OFBiz. I know very well that
>>>>> bringing
>>>>> this up is likely to stall the discussion and reduce the chances of
>>>>> OFBiz
>>>>> ever using Moqui, and the great thing for Moqui and OFBiz that it could
>>>>> be.
>>>>> Still, the effort required to do that migration is significant and IMO
>>>>> it
>>>>> would be far less effort to start with Moqui and Mantle and basically
>>>>> rewrite OFBiz to be a comprehensive business automation application
>>>>> suite,
>>>>> just as it is now, but cleaned up and streamlined for both developers
>>>>> and
>>>>> end-users in ways that are only dreamed of for OFBiz right now.
>>>>>
>>>>> How long would that take? Depending on how many people are interested
>>>>> and
>>>>> get involved and how quickly they come up to speed on Moqui and Mantle
>>>>> (the
>>>>> book linked to above can help a lot with this, it covers the basics of
>>>>> Mantle too), my guess is that it could be to an alpha state and do
>>>>> everything OFBiz currently does and more (on the app level at least)
>>>>> within
>>>>> 6 months. IMO the result would be enough to compete well with projects
>>>>> like
>>>>> Odoo that are currently leapfrogging OFBiz... but are a serious pain to
>>>>> customize compared to OFBiz, and every single one has more restrictive
>>>>> licensing and are corporate backed as opposed to community driven.
>>>>>
>>>>> This could be shorted with a starting point for the applications, and
>>>>> if
>>>>> there was enough interest theres a chance that I could release the more
>>>>> generic parts of this Moqui-based ERP system that I'm working on. I've
>>>>> already gone through the effort of splitting out the generic screens
>>>>> into
>>>>> an application that runs on its own, and the industry specific ERP that
>>>>> I'm
>>>>> working on simply extends it with additional forms, screens, services,
>>>>> and
>>>>> a few entities (really not bad for an industry where generic ERP
>>>>> systems
>>>>> have totally failed to the very different practices and business
>>>>> processes
>>>>> common in the industry, so nearly all market share is in industry
>>>>> specific
>>>>> systems).
>>>>>
>>>>> I know that's more than 2 cents of thoughts, even if it may only be
>>>>> worth
>>>>> that. ;) For those who have been around a while you know this sort of
>>>>> LONG
>>>>> email is consistent with my oft lamented style... hopefully it will
>>>>> that
>>>>> will at least bring a few chuckles and maybe some eye-rolling in fond
>>>>> remembrance of novel length mailing list threads.
>>>>>
>>>>> -David
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>

Reply via email to