MDSDProfiles

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PCM Profiles.png

MDSD Profiles enable profile and stereotype support to metamodels. For this support, MDSD Profiles provide two metaclasses, ProfilableElement and StereotypableElement, from which metaclasses can inherit. ProfilableElements allow to reference a given profile; the ProfileableElement is typically the root node of a model. If such a root node accordingly references a profile, Stereotypes of the referenced profile can be applied to any StereotypableElement within that root node. Note that MDSD Profiles is based on an extension to the EMF Profiles Project.

Setting Up MDSD Profiles

Installation: Update Sites

Profile and Stereotype Definition

  • Note: If somebody else created a profile that you only want to use by applying its stereotype, then you don't have to read this.

Non-Invasive Use: Using the MDSD Profile API

  • If you want to use MDSD Profiles within code, you should use the static methods from the MDSD Profile API (plug-in "org.palladiosimulator.mdsdprofiles.api"). You can easily apply, unapply, query, update, etc. profiles, stereotypes, and tagged values for any Resource and EObject.

Invasive Use: Making Models Extendable

  • Warning: Going the invasive way means enriching your metamodel with MDSDProfiles. Do that only if you have good reasons for it (e.g., you need MDSD Profile operations directly within your EObject). Instead, the preferred way would be the non-invasive API usage (see above).
  • Note: If you are applying stereotypes to models for which somebody else made already sure that they can be extended, then you do not need to read this.
  • To extend instances of a metamodel using stereotypes of a profile, you have to enrich your metamodel by (1) ProfilableElements that allow to reference a given profile; the ProvileableElement is typically the root node of a model and (2) StereotypableElements to which then stereotypes of the referenced profile can be applied. For such an enrichment, you have to inherit from ProfilableElement respectively from StereotypableElement.

Enabling Tree Editor Support

  • Note: If profile support has already been integrated into your tree editor, then you do not need to read this.
  • Use the "StereotypableElementDecoratorAdapterFactory" to decorate your "ItemProviderAdapterFactory" of the generated *.editor plugin. Do not forget to mark your code adaptation with @generated NOT. For example, your adapatation could look like this:
this.adapterFactory = new StereotypableElementDecoratorAdapterFactory(new YourItemProviderAdapterFactory(compAdapterFactory));

Using MDSD Profiles

Ensure that you have a profile definition available within your workspace. Then, you can use different editors to work with MDSD Profiles.

Tree Editors

  • Profiles: right-click on a ProfilableElement and choose "MDSD Profiles... -> Apply/Unapply Profiles"
  • Stereotypes: right-click on a StereotypableElement and choose "MDSD Profiles... -> Apply/Unapply Stereotypes"
  • Tagged Values: simply use the property view to edit tagged values of elements with applied stereotypes

GMF-based Editors

No support yet.

Sirius-based Editors

No support yet.

Palladio Integration

MDSD Profiles have been integrated into Palladio. This integration is described at the PCM Profiles page.

Contributing to the Development of MDSD Profiles

Requirements to Profiles

We collected several requirements we have to profiles. In any development, obey that these are maintained:

  • Performance: Profiles should not slow-down the normal usage of the Eclipse workbench
  • Headless: Stereotypes of model elements should also be accessible without IDE
  • Blackboard support: When loading models with stereotypes, stereotypes need also to be loaded to the blackboard
  • Query applicable/applied profiles: For a given (profileable) model element, there must be queries that return applicable respectively applied profiles of this element
  • Query applicable/applied stereotypes: For a given (stereotypable) model element, there must be queries that return applicable respectively applied stereotypes of this element
  • Read/Write applied stereotypes: Operations for accessing and altering applied stereotypes need to be available
  • Read/Write applied tagged values: Operations for accessing and altering the values of attributes of applied stereotypes (tagged values) need to be available
  • Graphical editor support: we need editor support for (1) generic tree editors & property sheets, (2) old GMF-based editors, and (3) within new Sirius-based editors
  • Libraries for QVTo, QVTr, ...: We need to provide libraries to transformation languages that allow to easily work with profiles
  • Model always loadable: Models with applied profiles/stereotypes must be able to be successfully loaded even when the applied profile is unknown (e.g., when no global profile registry is available)

We explicitly violate the following requirements for the given reasons:

  • Profiled metamodel unchanged: We require to change metamodel where profiles should be applied to. For example, in the PCM we made Entities Stereotypable. We did so to comply to some of above requirement ("Blackboard support" and "Model always loadable")

Bug Reports

Build and Tests

Setting up an Eclipse for the Development of MDSD Profiles

To set up a development environment for MDSD Profiles in a Eclipse bench you need the according EMF Profiles and PCM Profiles plug-ins:

Releases

  • Version 0.4: (Not yet released)
    • Support for Stereotypes with multi-cardinal structural features
    • UI enhanced with custom property dialogs to support multi-cardinal stereotype features
  • Version 0.3:
    • Renamed PCM Profiles to MDSD Profiles
    • Reimplemented integration based on eAnnotations instead of *.PA.xmi files (thus, removing the PA file registry)
    • Removed PCM Profiles view; enabled direct editing in generic tree editors instead
  • Version 0.2:
    • Support for Stereotypes with EReferences to classes defined in the own stereotype model or from further imported resources
  • Version 0.1:
    • Support for Stereotypes with single-cardinal features
    • Supported features are EAttributes with all trivial primitive types, Booleans, Strings and Enums


Article

Extending the Palladio Component Model using Profiles and Stereotypes. In Palladio Days 2012 Proceedings (appeared as technical report), 2012, Karlsruhe Reports in Informatics

Testing

The Testing Schedule is currently only available in German.

(Internal)

(Special Intrest Group PCM-Annotations and Extensions within the SDQ Group)

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