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From conflue...@apache.org
Subject [CONF] Apache Tuscany: Getting Involved - Projects (page edited)
Date Mon, 04 Aug 2008 23:11:00 GMT
Getting Involved - Projects (TUSCANY) edited by Luciano Resende
      Page: http://cwiki.apache.org/confluence/display/TUSCANY/Getting+Involved+-+Projects
   Changes: http://cwiki.apache.org/confluence/pages/diffpagesbyversion.action?pageId=82199&originalVersion=7&revisedVersion=8


{include: Menus}

h2. Projects for the budding contributor...

This page enlists some ideas that can be taken up for implementation and contribution, by
anybody interested in Apache Tuscany - University Students, SCA and SOA enthusiasts...

h3. {color:#003366}1. Consuming SCA services from Google Gadgets{color}

Summary : Integrate Tuscany and Apache Shindig to mash-up Google gadgets and backend SCA service
components (Web Services, existing JEE services etc)

Use SCA to model references from Javascript gadgets to server-side services, and provide transparent
access to these services (by injecting Javascript proxies into the gadgets, similar to what
Tuscany currently does with its SCA Widget component support).

Use SCA composites to configure and assemble the gadgets together as well, allowing the application
developer to use a consistent SCA-based assembly model for client-side mashups, server-side
compositions and mixes of the two.

One possible scenario would be to construct a Stock Quote widget, that would get the quotes
trough a SCA Service

h3. {color:#003366}2. Data Services (Implementation.data.jpa) {color}

Create a new implementation type that would facilitate and simplify the access to Relation
Database using JPA.
A component using this new implementation type would define itself in the composite as :

   <implementation.data.jpa db="..." table="..."/>

h3. {color:#003366}2. Data Feeds and Data Services{color}

Summary : Extend the Tuscany Atom Binding to work with data from relational databases to provide
data services. This could be done by completing/enhancing the experimental Tuscany Data component

One possible scenario would be to modify the store sample/tutorial to provide a Catalog implementation
exposing catalog rows from a relation database.

h3. {color:#003366}3.Integrate Java SCA with PHP{color}

PHP PECL project provides a PHP implementation of the Service Component Architecture (SCA)
programming model (see [WWW] http://pecl.php.net/package/SCA_SDO). SCA is a programming model
which allows you to assemble applications using a Service-Oriented Architecture style. This
includes producing and consuming Web services of various types, including soap/http, json-rpc,
REST,Atom. Looking into the Tuscany Apache Incubator project (see [WWW] http://incubator.apache.org/tuscany/
), which provides a Java-based implementation of SCA. This runtime is extensible for different
implementation types, and currently supports things like BPEL, OSGi, Java (POJOs), Spring,
JavaScript and XQuery. 

I think it would make a very interesting and challenging project to extend Apache Tuscany
to supports the concept of a PHP implementation type. This implementation type would be used
to include PHP SCA enabled applications in an assembly which might also include any of the
other Apache Tuscany implementation types. A realistic scenario for this solution might be
a PHP Web front end to a Java business application. Tuscany includes a Java "store" application
which could be converted to demonstrate the final deliverables. The solution would also require
extensions to the PHP SCA project to enable existing PHP SCA service configuration to be externally
overridden by Tuscany. The major work items would be as follows: 
* Extend PHP SCA to support external configuration of services (PHP Scripting skills).
* Extend Apache Tuscany to provide a PHP implementation type (Java and XML/XML Schema skills).
* Extend Apache Tuscany to support PHP SCA as a deployment target(Java skills).

h3. {color:#003366}4.Integrate Java SCA and JBI{color}
Build some Tuscany extensions to integrate JBI components into SCA - eg an SCA binding extension
that supports running JBI binding components and maybe an SCA implementation extension that
supports running JBI service engines. Both Tuscany/SCA and JBI have the concept of plugable
extensions so these Tuscany extensions would be kind of adapters from the Tuscany extension
APIs to the JBI APIs and you'd end up being able to drop a standard JBI binding component
jar into the Tuscany runtime and have that used in an SCA assembly.

h3. {color:#003366}5.Bring Native SCA project to Spec 1.0 level{color}
Help is needed to enhance Native SCA to support spec 1.0 level.

h3. {color:#003366}6.Ability to use C++ and Java in a composition{color}
Integration between Native SCA and Java SCA. The ability to use legacy or new C++ type applications
and integrate them into overall SOA solution which is composed of Java and C++.

h3. {color:#003366}7.Interop with .Net{color}
How to integrate with .net.

h3. {color:#003366}8. Data Binding for Google Protocol Buffers {color}
Google just introduced Binary Encoding Format: Protocol Buffers. Is anybody interested in
developing a databinding for Tuscany to support it?

h3. {color:#003366}8. Contribute to projects under roadmaps{color}
[put roadmap link]

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