marea - SANER 2016
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Marea is a tool that suggests optimal refactoring strategies for removing dependency cycles at package-level. This is done by simulating different evolutionary scenarios and evaluating their cost-effectiveness using a purpose-designed profit function.
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Scam2011 syer
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Architectural decisions can be interpreted as structural and behavioral constraints
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either lack in usability or offer poor options for adaptation. Our approach reduces the cost of conformance checking by avoiding the need for
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This document discusses DICTO, an architecture conformance checking tool. It can summarize architecture rules in an executable specification and check projects against these rules. Example rules check for proper layering and dependencies between packages, as well as enforcing annotations, method naming conventions, and avoiding cycles in models. DICTO has been used to analyze projects with sizes up to 1 million lines of code and check for conformance issues within minutes.
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The document describes architecture conformance checking using DICTO. It provides examples of architectural rules that can be checked, such as layers not being allowed to depend on certain other layers and classes needing particular annotations. It also gives examples of projects and codebases that DICTO has analyzed, showing the rules checked and results like number of violations found and time to complete analysis.
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This document discusses Dictō, a research project at the University of Bern aimed at keeping software architecture under control. The project involves developing a checker tool that defines rules for architectural violations. Some example rules ensure persistence layers do not depend on service layers, implementation classes are annotated properly, and systems do not contain cycles or duplicate code. The tool also integrates with SonarQube for reporting and has been used to analyze open source learning management and PHP frameworks.
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marea - SANER 2016
- 1. Marea: a Semi-Automatic Decision Support System for Breaking Dependency Cycles Andrea Caracciolo, Bledar Aga, Mircea Lungu, Oscar Nierstrasz http://scg.unibe.ch SANER 2016
- 9. 9 Analyze Cycles Compute Refactoring Paths Accept Refactoring Step select cycle source code select ref. path Marea source code A B C
- 11. 11 rules model runner runners internal rules model runner runners internal Analyze Cycles • Invocation • Parameter • Inheritance • …
- 13. 13 rules model runner runners internal Analyze Cycles 3 4 6 1 rules model runner runners internal 3 2 3 4 + sharing - size Sharing: 2 Size: 14 Sharing: 2 Size: 12
- 14. 14 rules model runner runners internal Analyze Cycles 3 4 6 1 rules model runner runners internal 3 2 3 4 + sharing - size Sharing: 2 Size: 14 Sharing: 2 Size: 12
- 15. 15 rules model runner runners internal Analyze Cycles 3 4 6 1 rules model runner runners internal 2 3 + sharing - size 3 4
- 16. 16 Runners -> Rules v1 v2 v3 v4 MC MM ASP ASP+DI
- 17. 17 v1 v2 v3 v4 MC MM ASP ASP+DI Runners -> Rules Move Class
- 18. 18 v1 v2 v3 v4 MC MM ASP ASP+DI Runners -> Rules Move Class
- 19. 19 v1 v2 v3 v4 MC MM ASP ASP+DI Runners -> Rules Move Method
- 20. 20 E -> A v1 v2 v3 v4 MC MM ASP ASP+DI Runners -> Rules Move Method
- 21. 21 E -> A v1 v2 v3 v4 MC MM ASP ASP+DI Runners -> Rules Abstract Server Pattern
- 22. 22 E -> A v1 v2 v3 v4 MC MM ASP ASP+DI I Runners -> Rules Abstract Server Pattern
- 23. 23 E -> A v1 v2 v3 v4 MC MM ASP ASP+DI Dependency I Runners -> Rules ASP + Dependency Injection
- 24. 24 v1 v2 v3 v4 MC MM ASP ASP+DI v1.1 v1.2 MC ASP+DI Runners -> Rules
- 25. Runners -> Rules 25 v1 v2 v3 v4 MC MM ASP ASP+DI v1.1 v1.2 MC ASP+DI - #total cycles - #ref. steps - instability + abstractness 2.1 2.6 .. .. ..
- 26. Runners -> Rules 26 v1 v2 v3 v4 MC MM ASP ASP+DI v1.1 v1.2 MC ASP+DI 2.1 2.6 .. .. .. - #total cycles - #ref. steps - instability + abstractness
- 27. 27 JHotDraw 484 Java files 28,000 NCLOC 44 cycles
- 28. 28 JHotDraw
- 29. 29 JHotDraw 0 4 8 12 16 # refactorings
- 30. 30 Industrial Project 865 Java files 50,000 NCLOC 25 cycles
- 32. 32 Industrial Project Original C1.registerStubbedServices() to C2 C1 to P2 C1 to P2 C1.execLoadSession() to C2 MMMC MMMC C1.execLoadSession() for type C2 ASP+DI
- 33. 33 Industrial Project Original C1.registerStubbedServices() to C2 C1 to P2 C1 to P2 C1.execLoadSession() to C2 MMMC MM 1.1 MC 1.2 0.6 C1.execLoadSession() for type C2 ASP+DI 0.7 0.7
- 34. 34 Industrial Project Original C1.registerStubbedServices() to C2 C1 to P2 C1 to P2 C1.execLoadSession() to C2 MMMC MM 1.1 MC 1.2 0.6 C1.execLoadSession() for type C2 ASP+DI 0.7 0.7
- 35. 35 Industrial Project Original C1.registerStubbedServices() to C2 C1 to P2 C1 to P2 C1.execLoadSession() to C2 MMMC MM 1.1 MC 1.2 0.6 C1.execLoadSession() for type C2 ASP+DI 0.7 0.7
- 36. 36 Industrial Project Original C1.registerStubbedServices() to C2 C1 to P2 C1 to P2 C1.execLoadSession() to C2 MMMC MM 1.1 MC 1.2 0.6 C1.execLoadSession() for type C2 ASP+DI 0.7 0.7
- 37. Marea assisted quality improvement 37www.andrea-caracciolo.com Andrea Caracciolo - actionable results - assessable cost