EMF Feature Model is a proposed open source project under the Eclipse Modeling Framework Technology Project (EMFT). This proposal is in the Project Proposal Phase (as defined in the Eclipse Development Process document) and is written to declare its intent and scope. This proposal is written to solicit additional participation and input from the Eclipse community. You are invited to comment on and/or join the project. Please send all feedback to the http://www.eclipse.org/newsportal/thread.php?group=eclipse.technology.emft newsgroup.
During the last years Feature Modeling has become the "standard" for variability management in the field of Software Product Lines. Feature Models are easy to understand and provide a generic way to represent variability information, independent of a specific application domain. Several independent projects using the Eclipse platform / EMF have each defined their own meta model for feature models. Although these meta models have considerable structural differences, their core semantics are similar. A brief description of feature models can be found at Wikipedia and this article describes a small feature modeling example. The EMF Feature Model project will define a standard representation of Feature Models inside the Eclipse platform. The intent is to provide a uniform representation for variability information for tools based on the Eclipse Modeling Framework. This will allow easy and consistent access to variability-related information, such as variation points and variant decisions, in DSLs, M2M transformations, and other contexts where variability information is produced or consumed.
The objectives of the EMF Feature Model project are the following:
Parties indicating interest were
The initial contribution will be from the pure::variants – Connector for Ecore. pure::variants is a commercial variant management tool, which already provides a mapping for its internal feature models to Ecore models. The Connector for Ecore source contains the Ecore meta model and related APIs. Xpand and Xtext already have interfaces to this meta model. The pure::variants feature meta model is mature and has been used for modeling in commercial and research applications for several years now and thus should provide a solid basis for the EMF Feature Model.
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