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A Visual Support for Decomposing Complex Feature Models
- 1. AVisual Support for Decomposing Complex Feature Models Simon Urli Alexandre Bergel Mireille Blay-Fornarino Philippe Collet Sébastien Mosser urli@i3s.unice.fr I3S Laboratory - University Nice-Sophia Antipolis - France Pleiad Lab - University of Chile - Chile
- 2. Urli et al -Vissoft 2015 - Bremen Software Product Lines 2
- 3. Urli et al -Vissoft 2015 - Bremen Feature Models (FM) 3
- 4. Urli et al -Vissoft 2015 - Bremen Feature Models 4
- 5. Urli et al -Vissoft 2015 - Bremen Feature Models • Huge Feature Models: thousands of features and constraints 4
- 6. Urli et al -Vissoft 2015 - Bremen Feature Models • Huge Feature Models: thousands of features and constraints • Tedious to understand 4
- 7. Urli et al -Vissoft 2015 - Bremen Feature Models • Huge Feature Models: thousands of features and constraints • Tedious to understand • Difficult to maintain 4
- 8. Urli et al -Vissoft 2015 - Bremen Feature Models • Huge Feature Models: thousands of features and constraints • Tedious to understand • Difficult to maintain ➡Towards decomposition 4
- 9. Urli et al -Vissoft 2015 - Bremen Handling complex FM House Room Opening 1 1..* 1..* 1..* 1..*0..1 contains contains hasGateways SPL SPL SPL DomainModelAssetsFMs 5
- 10. Urli et al -Vissoft 2015 - Bremen Handling complex FM House Temperature Manager Luminosity Manager Security Manager Opening Sensors Lock Room Sensors Actuators Temperature Lightning Presence RollerStore Thermostat Locking Temperature implies Thermostat Presence implies Locking OpenedState Kind Door Window RollerStore TintedGlass Key Mandatory feature Optional feature XOR OR interFM implication CentralComputer Digital 6
- 11. Urli et al -Vissoft 2015 - Bremen Handling complex FM in real life Concept # Features # Internal constraints # Configurations Source Renderer Behaviour Zone Layout 81 154 68 76 347 74 33 45 15 49 160 27 51 59 13 Total 290 765 197 7
- 12. Urli et al -Vissoft 2015 - Bremen Handling complex FM in real life Concept # Features # Internal constraints # Configurations Source Renderer Behaviour Zone Layout Total 81 154 68 76 347 74 33 45 15 49 160 27 51 59 13 290 765 197 And 144 external constraints !8
- 13. Urli et al -Vissoft 2015 - Bremen Variability Blueprint • Roassal: a parametric visualization tool developed in SmallTalk • Several usages, mostly for visualizing large- scale programs and analyzing code repositories • Idea behind: to quickly create an interactive visualization 9
- 14. Urli et al -Vissoft 2015 - Bremen Visualizing feature modelssource rendere # external constraints # internal constraints optional mutex BA xor 10
- 15. Urli et al -Vissoft 2015 - Bremen Visualizing multiple interrelated feature models 11
- 16. Urli et al -Vissoft 2015 - Bremen Using interactive visualization to handle interrelated feature models 12
- 17. Urli et al -Vissoft 2015 - Bremen Using interactive visualization to handle interrelated feature models 12
- 18. Urli et al -Vissoft 2015 - Bremen Using Roassal during decomposition • Frascati: a SCA platform • A feature model containing: - 63 features - 46 constraints • Goal: decomposing the FM in keeping some good metrics in average • CTC: # features involved in internal constraints / # internal constraints • exCTC: same idea on external constraints 13
- 19. Urli et al -Vissoft 2015 - Bremen Frascati Scenario 14 V0 7/31/13 10:40 AM frascati
- 20. Urli et al -Vissoft 2015 - Bremen Frascati Scenario 14 V0 7/31/13 10:40 AM frascati 7/31/13 10:53 AM AssemblyFactoryImplementation ComponentFactory Frascati ScaParser V1 CTC: 57% exCTC: 0% CTC: 16% exCTC: 47%
- 21. Urli et al -Vissoft 2015 - Bremen Frascati Scenario 14 V0 7/31/13 10:40 AM frascati 7/31/13 10:53 AM AssemblyFactoryImplementation ComponentFactory Frascati ScaParser V1 CTC: 57% exCTC: 0% CTC: 16% exCTC: 47% SCAParser: 71% exCTC
- 22. Urli et al -Vissoft 2015 - Bremen Frascati Scenario 15
- 23. Urli et al -Vissoft 2015 - Bremen 7/31/13 10:53 AM AssemblyFactoryImplementation ComponentFactory Frascati ScaParser V1 V2 CTC: 16% exCTC: 47% CTC: 17% exCTC: 47% Frascati Scenario 16
- 24. Urli et al -Vissoft 2015 - Bremen 7/31/13 11:00 AM AssemblyFactoryImplementationComponentFactory Frascati V5 AssemblyFactoryImplementationComponentFactory Frascati ScaParser V4 CTC: 34% exCTC: 33% CTC: 45% exCTC: 19% Frascati Scenario 17
- 25. Urli et al -Vissoft 2015 - Bremen Decomposition metrics in Frascati scenario #FM # features / FM CTC exCTC V0 V1 V2 V3 V4 V5 1 63 57 % 0 % 4 16 16 % 47 % 4 16 17 % 47 % 4 17 28 % 41 % 4 19 34 % 33 % 3 24 45 % 19 % 18
- 26. Urli et al -Vissoft 2015 - Bremen Future works • Integration with modeling tools • Towards automation to find patterns • Finding the right trade-off between cohesion and decoupling 19
- 27. Urli et al -Vissoft 2015 - Bremen Thank you! 20