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Fakultt Informatik, Institut fr Software- und Multimediatechnologie, Lehrstuhl Softwaretechnologie Towards a Generic Layout Composition Framework for Domain Specific Models Jendrik Johannes Karsten Gaul 26/10/2009, DSM09, Orlando, Florida

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Fakultät Informatik, Institut für Software- und Multimediatechnologie, Lehrstuhl Softwaretechnologie

Towards a Generic Layout Composition Framework for Domain Specific Models

Jendrik Johannes Karsten Gaul

26/10/2009, DSM’09, Orlando, Florida

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Model Composition in MDSD

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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Model Composition in MDSD

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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mental map

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Model Composition in MDSD

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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Viewpoints on Models

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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mental map

User View Tool View

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Viewpoints on Models

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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User View (E)MOF CIM Tool View UML …

mental map

Instance-of Instance-of

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Viewpoints on Models

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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User View (E)MOF CIM Tool View

X

?

Instance-of Instance-of

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Viewpoints on Models

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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User View (E)MOF CIM Tool View

Instance-of Instance-of

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Viewpoints on Models

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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User View (E)MOF CIM Tool View

mental map

Instance-of Instance-of

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Viewpoints on Models

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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Tool View User View (E)MOF CIM GMF GMF + Layout Composition

mental map

Instance-of Instance-of

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Viewpoints on Models

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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User View (E)MOF CIM Tool View GMF GMF + Layout Composition

Instance-of Instance-of

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Layout Composition

  • Layout composition in addition to semantic composition
  • Setting

– DSMLs (defined in EMOF/Ecore) with graphical syntax – Graphical composition scripts – Composition tool needs to expose relations between composition scripts and input models

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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Layout Gathering & Merge

  • Layout format

dependent (e.g. GMF)

  • Input Model

(Source Layout)

– Width and height of bounding box

  • Composition Script

(Target Layout)

– Position of model in script

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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Layout Gathering & Merge

  • Layout format

dependent (e.g. GMF)

  • Input Model

(Source Layout)

– Width and height of bounding box

  • Composition Script

(Target Layout)

– Position of model in script

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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Layout Gathering & Merge

  • Layout format

dependent (e.g. GMF)

  • Input Model

(Source Layout)

– Width and height of bounding box

  • Composition Script

(Target Layout)

– Position of model in script

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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Layout Gathering & Merge

  • Layout format

dependent (e.g. GMF)

  • Input Model

(Source Layout)

– Width and height of bounding box

  • Composition Script

(Target Layout)

– Position of model in script

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

15

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Layout Gathering & Merge

  • Layout format

dependent (e.g. GMF)

  • Input Model

(Source Layout)

– Width and height of bounding box

  • Composition Script

(Target Layout)

– Position of model in script

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

16

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Simple Layout Composition

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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Tool View User View (E)MOF CIM GMF GMF + Layout Composition

mental map

Instance-of Instance-of

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Simple Layout Composition

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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User View (E)MOF CIM Tool View GMF GMF + Layout Composition

Instance-of Instance-of

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Overlap Elimination

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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  • Layout adjustment algorithms

– Always apply on input model element sets – Horizontal sorting

  • May destroy layout by

moving elements too far – Uniform Scaling

  • May move elements too far out
  • Danger of loosing compactness
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Layout Composition with Adjustment

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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Tool View User View (E)MOF CIM + Layout Composition GMF GMF

mental map

Instance-of Instance-of

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+ Layout Composition

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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User View (E)MOF CIM Tool View GMF GMF

mental map

Layout Composition with Adjustment

Instance-of Instance-of

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Implementation

  • Source Information Provider

– GMF: all GMF-based DSMLs – TOPCASED: all TOPCASED-based DSMLs

  • Target Information Provider

– GMF: Reuseware Composition Programs

  • Comparator

– XYComparator

  • Arranger

– Horizontal Sorting – Uniform Scaling

  • Materialiser

– GMF: all GMF-based DSMLs – TOPCASED: all TOPCASED-based DSMLs

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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Evaluation

  • Experimented with different modelling languages

– Common Interface Model (CIM) DSML – UML Activity Diagrams

  • Tried out different layout adjustment algorithms
  • Combined different strategies in staged composition

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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Summary & Future Work

  • We showed

– Systematic approach to preserve as much layout information as possible in model composition – Adjustment algorithms to improve layout without destroying mental map – Applicable to different modelling languages

  • Future work

– Did not look at less free layouts (e.g. Sequence Diagrams) – Did not consider compositions where elements are replaced (layout of replaced or replacing element(s)?) – Did not test with other composition (or transformation) tools/frameworks – Do require graphical composition script language

  • We are looking for interesting case studies

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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Thank You!

Questions?

Jendrik Johannes and Karsten Gaul: Towards a Generic Layout Composition Framework for Domain Specific Models

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http://reuseware.org