incubator-general mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Rahul Sharma <rahul0...@gmail.com>
Subject Re: [VOTE] Accept Apache MetaModel into the Apache incubator
Date Fri, 07 Jun 2013 04:14:02 GMT
+1


On Fri, Jun 7, 2013 at 4:02 AM, Mattmann, Chris A (398J) <
chris.a.mattmann@jpl.nasa.gov> wrote:

> +1 (binding). Good luck guys!
>
> Cheers,
> Chris
>
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Chris Mattmann, Ph.D.
> Senior Computer Scientist
> NASA Jet Propulsion Laboratory Pasadena, CA 91109 USA
> Office: 171-266B, Mailstop: 171-246
> Email: chris.a.mattmann@nasa.gov
> WWW:  http://sunset.usc.edu/~mattmann/
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Adjunct Assistant Professor, Computer Science Department
> University of Southern California, Los Angeles, CA 90089 USA
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
>
>
>
>
>
> -----Original Message-----
> From: Henry Saputra <henry.saputra@gmail.com>
> Reply-To: "general@incubator.apache.org" <general@incubator.apache.org>
> Date: Thursday, June 6, 2013 3:30 PM
> To: "general@incubator.apache.org" <general@incubator.apache.org>
> Subject: [VOTE] Accept Apache MetaModel into the Apache incubator
>
> >Hi All,
> >
> >I'd like to call a VOTE for acceptance of MetaModel into the Apache
> >incubator.
> >The vote will close on June 12, 2013 at 6:00 PM (PST).
> >
> >[] +1 Accept MetaModel into the Apache incubator
> >[] +0 Don't care.
> >[] -1 Don't accept MetaModel into the incubator because...
> >
> >Full proposal is pasted at the bottom on this email, and the
> >corresponding wiki
> >is:
> >http://wiki.apache.org/incubator/MetaModelProposal.
> >
> >Only VOTEs from Incubator PMC members are binding, but all are welcome to
> >express their thoughts.
> >
> >Thanks,
> >
> >Henry Saputra
> >Champion for Apache MetaModel
> >
> >
> >P.S. Here's my +1 (binding)
> >
> >
> >-------------------------------------------------
> >
> >= 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 ŒMetaModel¹ 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 ³dragged² 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), it¹s 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 Œvasc¹ 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 project¹s 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 MetaModel¹s 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)
> >
> >Noah Slater (nslater at apache dot org)
> >
> >
> >== Sponsors ==
> >
> >=== Champion ===
> >
> >Henry Saputra  (hsaputra 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)
> >
> >Noah Slater (nslater at apache dot org)
> >
> >=== Sponsoring entity ===
> >
> >The Apache Incubator.
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: general-unsubscribe@incubator.apache.org
> For additional commands, e-mail: general-help@incubator.apache.org
>
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message