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The aim of this paper is a brief introduction to MDA technology and a summary / comparison to the approachments to MDA of AndroMDA and Acceleo, intending to be a practical and understandable summary Introduction Model-driven architecture (MDA) is a software design approach for the development of software systems. It provides a set of guidelines for the structuring of specifications, which are expressed as models. It was launched by the Object Management Group (OMG) in 2001 The Model-Driven Architecture approach defines system functionality using a platform-independent model (PIM) using an appropriate domain-specific language (DSL). One of the main aims of the MDA is to separate design from architecture. As the concepts and technologies used to realize designs and the concepts and technologies used to realize architectures have changed at their own pace, decoupling them allows system developers to choose from the best and most fitting in both domains. The design addresses the functional (use case) requirements while architecture provides the infrastructure through which non-functional requirements like scalability, reliability and performance are realized. MDA envisages that the platform independent model (PIM), which represents a conceptual design realizing the functional requirements, will survive changes in realization technologies and software architectures.

"Code Generation is better than Model Interpretation in Model-Driven Development? In my latest blog post I add my point of view to the topic "Code Generation vs Model Interpretation"."

Legacy systems embrace a large number of technologies, making the development of tools to cope with legacy systems evolution a tedious and time consuming task. As modernization projects face with both technologies combination and various modernization situations, model-driven approaches and tools offer the requisite abstraction level to build up mature and flexible modernization solutions. MoDisco provides an extensible framework to develop model-driven tools to support use-cases of existing software modernization :

"I'm with Politecnico di Milano, Italy, researching on the application of model driven development (MDE/MDD/MDA = MD*) techniques to all the software field, including: web engineering and modeling of web applications (WebML, WebRatio), multimedia & multidomain search engines (Search Computing), business processes (BPMN), and web services."

"ModelDriven.org is a community of government, commercial and university members who use, develop and integrate open source and commercial capabilities to enable agile business solutions based on model driven methods and technologies. ModelDriven.org is standards based, leveraging Model Driven Architecture® as defined by the OMG and the Semantic Web as defined by W3C. This community has both a user membership and a provider membership. The user community drives the agenda - ..Read More >>"

"I'll try to list all the MDE tools I know, I'll also try to reference them by their scope. Feel free to comment this list of MDE tools!"

Apache ServiceMix is an open source ESB (Enterprise Service Bus) that combines the functionality of a Service Oriented Architecture (SOA) and an Event Driven Architecture (EDA)  to create an agile, enterprise ESB. Apache ServiceMix is an open source distributed ESB built from the ground up on the  Java Business Integration (JBI) specification JSR 208 and released under the Apache license. The goal of JBI is to allow components and services to be integrated in a vendor independent way, allowing users and vendors to plug and play.

The Fornax-Platform is a development platform for tools related to the Model-Driven-Software-Development - MDSD. In this context tools are cartridges, transforms, ready-to-use generators or simple enhancements to make it easier to work in a MDSD environment. Another approach is to provide Howto's and tutorials that simplify the undestanding of MDSD. The Fornax-Platform provides infrastructure and tools to simplify the management and the development of such components and tools. It is independent from companies in this area of software development.

Welcome to the community home for Pentaho Data Integration Community Edition (PDI CE) also known as Kettle. Pentaho Data Integration delivers powerful Extraction, Transformation and Loading (ETL) capabilities using an innovative, metadata-driven approach. With an intuitive, graphical, drag and drop design environment, and a proven, scalable, standards-based architecture, Pentaho Data Integration is increasingly the choice for organizations over traditional, proprietary ETL or data integration tools. Community Edition is self supported open source software. An Enterprise Edition (EE) of Pentaho Data Integration including technical support, managed upgrades and enterprise features is also available. For more information about EE or for screenshots and datasheets, visit Pentaho Data Integration EE on Pentaho's corporate site.

Eclipse Rich Client Platform has come a looong way since it was first introduced (and used in Eclipse IDE). The new Eclipse RAP (Rich Application Platform) is also becoming more and more attractive for deploying existing or new Eclipse RCP applications to the web. One of my the projects I'm working on is developed on top of Eclipse RCP. It uses additional plugins such as EMF (Eclipse Modeling Framework) including EMF Editor UI, Teneo (EMF Persistence for Relational Databases), and Hibernate. After some work, I managed to run the whole application on both Eclipse RCP (desktop) and Eclipse RAP (web-based). See the screenshots for proof. Thanks to the recently released EMF Support for RAP I don't have to let go any of the nice EMF generated editor UIs for the web-based RAP version. What's amazing is how little the work I have to do to port the RCP app to RAP. The changes I needed to do is not changing code, but juggling dependencies to plugins and/or packages. Also creating a few platform-specific plugins (different based on whether I deploy on RCP or RAP).

"Essential is a project to create a workbench for applying Model Driven Development (MDD). The workbench allows to experiment with models, metamodels, templates and transformations in an integrated environment. The main focus is to provide a declarative environment oriented to prototyping and evolving custom DSL and MDD tools in a quick and clean way. Motivation for a new tool Essential.Meta. DSL for Metamodelling Modelling with Essential StringTemplate, the template engine"

Akka is the platform for the next generation event-driven, scalable and fault-tolerant architectures on the JVM We believe that writing correct concurrent, fault-tolerant and scalable applications is too hard. Most of the time it's because we are using the wrong tools and the wrong level of abstraction. Akka is here to change that. Using the Actor Model together with Software Transactional Memory we raise the abstraction level and provide a better platform to build correct concurrent and scalable applications. For fault-tolerance we adopt the "Let it crash" / "Embrace failure" model which have been used with great success in the telecom industry to build applications that self-heal, systems that never stop. Actors also provides the abstraction for transparent distribution and the basis for truly scalable and fault-tolerant applications. Akka is Open Source and available under the Apache 2 License.

" A forum to dicuss about UML, MDA, MDD and all kinds of topics related to software modeling and model-driven engineering"

" Apache SlingTM is an innovative web framework that is intended to bring back the fun to web development. Discussions about Sling happen on our mailing lists, see the Project Information page for more info. Apache Sling in five bullets points REST based web framework Content-driven, using a JCR content repository Powered by OSGi Scripting inside, multiple languages (JSP, server-side javascript, Scala, etc.) Apache Open Source project"

The Java Content Repository (JCR) standard, which is based on the Java Specification Requests JSR170 (version 1.0) and JSR 283 (version 2.0), provides a Java-centric object-oriented storage API specifically targeted at content management scenarios. The JCR is not a content management system or a full-fledged content management system API, but rather a content repository API. A content repository provides a common API for all content-driven applications and CMS components, which require access to the content. It provides methods to read, write, and query content. The primary motivation of the JCR standard is to provide a standard and vendor-neutral programmatic interface for content repositories, allowing applications of multiple vendors to interact efficiently.

Acceleo is a pragmatic implementation of the Object Management Group (OMG) MOF Model to Text Language (MTL) standard. You do not need to be an expert to start using the plug-ins and create your first code generator : using the provided example projects and the powerful completion feature of the Acceleo editor, it is very easy to get started and understand the basic principles.

The default EMF UML2 repository implementation was changed from UML2 1.x to UML2 2.x, in order to support the most current versions of the MagicDraw and Rational tools. Due to conflicting dependencies in the uml libraries, both implementations could not be supported at the same time.

" The Web Modelling Language is a visual notation for specifying the content, composition, and navigation features of hypertext applications, building on ER and UML."

"I'll try to list all the MDE tools I know, I'll also try to reference them by their scope. Feel free to comment this list of MDE tools! M2M/M2T tools: actifsource (http://www.actifsource.com/) AndroMDA (http://www.andromda.org/) Eclipse ATL (http://www.eclipse.org/atl/) is a part of Eclipse Modeling project Eclipse QVTO (http://wiki.eclipse.org/M2M/QVTO) is a part of Eclipse Modeling project Itemis/Eclipse xpand/xtend (http://wiki.eclipse.org/Xpand) it was originaly a part of the no longer supported openArchitectureWare (http://oaw.itemis.com/ & http://www.openarchitectureware.org/) is now a part of Eclipse Modeling project Mia-Software Mia-Generation (http://www.mia-software.com/) is a part of Mia-Studio tool suite Mia-Software Mia-Transformation (http://www.mia-software.com/) is a part of Mia-Studio tool suite Obeo/Eclipse Acceleo (http://www.eclipse.org/acceleo/) is a M2T tool that has recently moved from the Obeo (http://www.obeo.fr/) company to Eclipse Modeling project"

"THINK IN MODELS Models & Modeling, Enterprise Applications & Engineering"