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From Kasper Sørensen <kasper.soren...@HumanInference.com>
Subject RE: [PROPOSAL] MetaModel for the Apache Incubator
Date Mon, 03 Jun 2013 07:12:22 GMT
+1 for having you as the champion Henry, you've been great :-)
________________________________________
From: Henry Saputra [henry.saputra@gmail.com]
Sent: 02 June 2013 21:00
To: general@incubator.apache.org
Subject: Re: [PROPOSAL] MetaModel for the Apache Incubator

Thank you Matt.

I have updated the proposal to reflect the change of Champion for MetaModel
proposal.


Thanks,

- Henry


On Fri, May 31, 2013 at 5:44 PM, Matt Franklin <m.ben.franklin@gmail.com>wrote:

> Now that Henry is a member, I would like this proposal to reflect that he
> has really been the primary champion, not me.  I am looking forward to
> staying on as a mentor, but Henry has been the driving force in getting
> MetaModel organized and proposed.  I am more than willing to champion this
> project and help keep it going, but Henry's passion for its success is hard
> to match.
>
>
> On Fri, May 31, 2013 at 4:35 PM, Henry Saputra <henry.saputra@gmail.com
> >wrote:
>
> > Added Noah Slater (nslater at apache dot org) as mentor and initial
> > committer to the proposal.
> >
> > - Henry
> >
> >
> > On Tue, May 28, 2013 at 11:20 AM, Henry Saputra <henry.saputra@gmail.com
> > >wrote:
> >
> > > Dear ASF members,
> > >
> > > We would like to propose MetaModel for the incubator.
> > >
> > > Matt Franklin will be the Champion for this project and the proposal
> > draft
> > > is available at:
> > >
> > > https://wiki.apache.org/incubator/MetaModelProposal
> > >
> > > Looking forward to all of your suggestions and feedback.
> > >
> > > Thanks,
> > >
> > > Henry Saputra
> > >
> > >
> > >
> > > -------------------------------------------------
> > >
> > > = MetaModel – uniform data access across datastores =
> > >
> > > Proposal for Apache Incubator
> > >
> > > == Abstract ==
> > >
> > > MetaModel is a data access framework, providing a common interface for
> > > exploration and querying of different types of datastores.
> > >
> > > == Proposal ==
> > >
> > > MetaModel provides a uniform meta-model for exploring and querying the
> > > structure of datastores, covering but not limited to relational
> > databases,
> > > various data file formats, NoSQL databases, Salesforce.com, SugarCRM
> and
> > > more. The scope of the project is to stay domain-agnostic, so the
> > > meta-model will be concerned with schemas, tables, columns, rows,
> > > relationships etc.
> > >
> > > On top of this meta-model a rich querying API is provided which
> resembles
> > > SQL, but built using compiler-checked Java language constructs. For
> > > datastores that do not have a native SQL-compatible query engine, the
> > > MetaModel project also includes an abstract Java-based query engine
> > > implementation which individual datastore-modules can adapt to fit the
> > > concrete datastore.
> > >
> > > === Background ===
> > >
> > > The MetaModel project was initially developed by eobject.dk to service
> > > the DataCleaner application (http://datacleaner.org). The main
> > > requirement was to perform data querying and modification operations
> on a
> > > wide range of quite different datastores. Furthermore a programmatic
> > query
> > > model was needed in order to allow different components to influence
> the
> > > query plan.
> > >
> > > In 2009, Human Inference acquired the eobjects projects including
> > > MetaModel. Since then MetaModel has been put to extensive use in the
> > Human
> > > Inference products. The open source nature of the project was
> reinforced,
> > > leading to a significant growth in the community.
> > >
> > > MetaModel has successfully been used in a number of other open source
> > > projects as well as mission critical commercial software from Human
> > > Inference. Currently MetaModel is hosted at
> > http://metamodel.eobjects.org.
> > >
> > > === Rationale ===
> > >
> > > Different types of datastores have different characteristics, which
> > always
> > > lead to the interfaces for these being different from one another.
> > > Standards like JDBC and the SQL language attempt to standardize data
> > > access, but for some datastore types like flat files, spreadsheets,
> NoSQL
> > > databases and more, such standards are not even implementable.
> > >
> > > Specialization in interfaces obviously has merit for optimized usage,
> but
> > > for integration tools, batch applications and or generic data
> > modification
> > > tools, this myriad of specialized interfaces is a big pain.
> Furthermore,
> > > being able to query every datastore with a basic set of SQL-like
> features
> > > can be a great productivity boost for a wide range of applications.
> > >
> > > === Initial goals ===
> > >
> > > MetaModel is already a stable project, so initial goals are more
> oriented
> > > towards an adaption to the Apache ecosystem than about functional
> > changes.
> > >
> > > We are constantly adding more datastore types to the portfolio, but the
> > > core modules have not had drastic changes for some time.
> > >
> > > Our focus will be on making ties with other Apache projects (such as
> POI,
> > > Gora, HBase and CouchDB) and potentially renaming the ‘MetaModel’
> project
> > > to something more rememberable.
> > > This includes comply with Apache Software Foundation license for third
> > > party dependencies.
> > >
> > > == Current status ==
> > >
> > > === Meritocracy ===
> > >
> > > We intend to do everything we can to encourage a meritocracy in the
> > > development of MetaModel. Currently most important development and
> design
> > > decisions have been made at Human Inference, but with an open window
> for
> > > anyone to participate on mailing lists and discussion forums. We
> believe
> > > that the approach going forward should be more encouraging by sharing
> all
> > > the design ideas and discussions in the open, not only just the topics
> > that
> > > have been “dragged” into the open by third parties.  We believe that
> > > meritocracy will be further stimulated by granting the control of the
> > > project to an independent committee.
> > >
> > > === Community ===
> > >
> > > The community around MetaModel already exists, but we believe it will
> > grow
> > > substantially by becoming an Apache project. With MetaModel used in a
> > wide
> > > range of both open and closed source application, both at Human
> Inference
> > > (HIquality MDM), it’s open source projects DataCleaner, SassyReader and
> > > AnalyzerBeans and by other parties (such as the Quipo data warehouse
> > > automation project), we believe that the critical mass to sustain a
> > > community is there.
> > >
> > > === Core developers ===
> > >
> > > MetaModel was founded by Kasper Sørensen in 2009. Later it was
> > > incorporated as a core library by Human Inference, meaning that more
> than
> > > 20 developers have been involved in its making in this commercial
> > setting.
> > > Furthermore a smaller number of contributors have submitted patches for
> > the
> > > library. Others have started building other interesting data-oriented
> > > libraries on top of MetaModel, for instance the ‘vasc’ open source
> > project
> > > by Willem Cazander, which is an implementation of the Java Persistence
> > API
> > > (JPA) for all the datastores supported by MetaModel.
> > >
> > > === Alignment ===
> > >
> > > MetaModel already makes good usage of existing Apache projects such as
> > > POI, CouchDB and OpenOffice. Furthermore developers from the Apache
> Gora
> > > project have indicated a need for a project like MetaModel to solve
> > > specific uniform datastore access needs.
> > >
> > > == Known risks ==
> > >
> > > === Orphaned products ===
> > >
> > > The contributors and the contributing organization (Human Inference)
> have
> > > a very strong dependence on MetaModel already and will continue to have
> > > that for a long time. The continued need for this vendor to support new
> > > types of datastores and maintain existing functionality will ensure
> that
> > > MetaModel is not in the risk of being orphaned.
> > >
> > > === Inexperience with Open Source ===
> > >
> > > MetaModel is already open source, and has been so for many years. Main
> > > contributors of the project have also contributed to other open source
> > > projects such as DataCleaner and Apache Mahout. The openness of Apache
> is
> > > arguably more extensive, but we are only encouraged and delighted to be
> > > handling the project in a more open manner.
> > >
> > > === Homogenous Developers ===
> > >
> > > Frequent committers are currently located in Denmark, The Netherlands
> and
> > > India. They are used to working in a distributed environment.
> > >
> > > === Reliance on Salaried Developers ===
> > >
> > > Initial committers for MetaModel will depends on salaried based
> > developers
> > > to contribute to this project, but given the dependence on MetaModel
> from
> > > both commercial and open source projects, the project would continue
> > > without issue if no salaried developers contributed to the project.
> > >
> > > The goal is build diverse community to contribute back to MetaModel
> > > project.
> > >
> > > === Relationship with Other Apache Products ===
> > >
> > > MetaModel depends on several Apache products including: commons-lang,
> > > commons-io, commons-codec, http-components, POI, CouchDB, OpenOffice
> and
> > > XMLBeans.
> > >
> > > Furthermore MetaModel is built by Apache Maven.
> > >
> > > === An Excessive Fascination with the Apache Brand ===
> > >
> > > The ASF has a strong brand, and that brand is in itself very
> attractive.
> > >
> > > We are interested in joining the ASF in order to increase our contacts
> > and
> > > visibility in the open source world.
> > > Furthermore, we have been enthusiastic users of Apache Software
> > Foundation
> > > projects, and would feel honored by getting the opportunity to join and
> > > contribute back to the community.
> > >
> > > == Documentation ==
> > >
> > > Information on MetaModel can be found at:
> http://metamodel.eobjects.org
> > >
> > > === Initial source ===
> > >
> > > MetaModel has been developed since 2009 and have undergone a couple of
> > > major changes (indicated by the 2.x and 3.x versions).
> > >
> > > The code is used in mission critical systems and is considered very
> > stable
> > > and high performing.
> > >
> > > The source includes a fork of the xBaseJ project’s code, which will be
> > > removed upon incubation. This code was originally GPL licensed, but
> > granted
> > > with a special license to MetaModel to be forked and relicensed using
> the
> > > current LPGL license of MetaModel.
> > >
> > > Removal of the xBaseJ code will effectively mean that the Apache
> variant
> > > of MetaModel will not have support for dBase database files. We imagine
> > > that the dBase module could live on as a separate pluggable module
> under
> > > the LGPL license, outside of Apache.
> > >
> > > === External dependencies ===
> > >
> > > The dependencies all have Apache compatible licenses. These include BSD
> > > and MIT licensed dependencies.
> > >
> > > == Required resources ==
> > >
> > > === Mailing lists ===
> > >
> > >  * metamodel-private (with moderated subscription)
> > >  * metamodel-dev
> > >  * metamodel-commits
> > >
> > > === Subversion directory ===
> > > A subversion (
> http://svn.apache.org/repos/asf/incubator/metamodel/trunk/
> > )
> > > or git (
> https://git-wip-us.apache.org/repos/asf/incubator-metamodel.git)
> > > repository is needed.
> > >
> > > Currently MetaModel’s code is hosted at
> > http://eobjects.org/svn/MetaModelbut will be moved to an Apache
> > repository.
> > >
> > > === Issue tracking ===
> > >
> > > JIRA MetaModel (METAMODEL)
> > >
> > > === Other resources ===
> > >
> > > We would like to have wiki page located at:
> > > http://wiki.apache.org/MetaModel
> > >
> > > In later development phase a set of database servers (specifically
> > > MongoDB, CouchDB, MySQL, PostgreSQL, MS SQL Server (Express), Firebird)
> > > should be made available for integration testing.
> > > Currently this is done internally at Human Inference.
> > >
> > > === Initial committers ===
> > >
> > > Kasper Sørensen (i.am.kasper.sorensen [at] gmail.com), Project
> Founder,
> > > works at Human Inference
> > >
> > > Ankit Kumar (ak.ankitkumar [at] gmail.com), works at Human Inference
> > >
> > > Sameer Arora (sameer11sep [at] gmail.com)
> > >
> > > Henry Saputra (hsaputra [at] apache.org)
> > >
> > > Juan José van der Linden (delostilos [at] gmail.com), works for Quipu
> > >
> > > Arvind Prabhakar (arvind at apache dot org)
> > >
> > > Matt Franklin (mfranklin at apache dot org)
> > >
> > >
> > > == Sponsors ==
> > >
> > > === Champion ===
> > >
> > > Matt Franklin (mfranklin at apache dot org)
> > >
> > > === Nominated mentors ===
> > >
> > > Henry Saputra  (hsaputra at apache dot org)
> > >
> > > Arvind Prabhakar (arvind at apache dot org)
> > >
> > > Matt Franklin (mfranklin at apache dot org)
> > >
> > > === Sponsoring entity ===
> > >
> > > The Apache Incubator.
> > >
> > >
> >
>

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