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Modelling and code generation in .NET at Icinetic

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  • 1. Modelling and Code Generationon the .NET Platform @ Rubén Jiménez rjimenez@icinetic.com @rubenjmarrufo Pedro J. Molina, PhD pjmolina@icinetic.com @pmolinam
  • 2. Contents Introduction History of Microsoft Modeling MDSD: Approaches MDSD: Reference Framework MDSD: Tour of features Demos © Icinetic 2012 2
  • 3. Introduction We do MDSD Tools for developers Focused on .NET technologies & Architecture Services HQ in Seville, Spain © Icinetic 2012 3
  • 4. History of Microsoft Modeling 2005: First release of MS DSL Tools 2007: First details about its plans for the “Oslo” project 2008: First Microsoft “Oslo” CTP 2009: Visual Studio 2010 V&M SDK Beta 2010: Microsoft “Oslo” is obliterated 2010: Visual Studio LightSwitch 2011: Visual Studio 11 V&M SDK Beta © Icinetic 2012 4
  • 5. .NET & MDSD Ready to dive? © Icinetic 2012 5
  • 6. MDSD: Choose your path MDA/UML:  Metamodel is highly closed MDSD  Symbol and concept overloading  Not clear Semantics  Action LanguageMDA DSLs  Domains not cover by UML  Abuse of profiles  Tools: many dialects of XMI DSLs:  Cost of DSLs and tools required to develop with it. © Icinetic 2012 6
  • 7. MDSD Reference FWK Metamodel(s)Textual Model Editor Reverse EngineeringVisual Model Editor Model(s) Model Checker Model repository IDE Model Transformation M2M M2T Code Model Doc, etc. © Icinetic 2012 7
  • 8. Metamodeling The analysis, construction and development of the frames, rules, constraints, models and theories applicable and useful for modeling a predefined class of problems (Wikipedia) Source Based in CARs Class Relation  Classes / Entities / Objects Properties Cardinality  Attributes / Properties  Relationships Target At Icinetic: Customer Credit Card  MS DSL Tools 1 *  Essential Meta © Icinetic 2012 8 8
  • 9. Metamodeling: MS DSL Tools Visual Studio Visualization & Modeling SDK. Features:  Graphical meta-modeling.  Build graphical designers.  M2T: T4.  Model validations.  IDE: Visual Studio. Benefits:  Agile  Visual Drawbacks:  Generated designers performance:  “Magnify diagrams and multiply it”: Pascal Recchia. © Icinetic 2012 9
  • 10. Metamodeling: Essentialnamespace Meta{ class MailMessage { Person From; List<Person> To; string Subject; string Message; } class Person { string FullName; string Email; }} © Icinetic 2012 10
  • 11. Metamodeling: Essential METAEssential META 2009 XCore 2012namespace org.example.library package org.example.library{ class Book class Book { { string title; String title int pages; int pages List<Writer> authors oppositebooks; refers Writer[] authors opposite } books } enum BookCategory { enum BookCategory Mistery, { ScienceFiction, Mistery Biography ScienceFiction } Biography} } © Icinetic 2012 11
  • 12. MDSD: Models Metamodel(s)Textual Model Editor ReverseVisual Model Editor Engineering Model(s) Model Checker Model IDE repository Model Transformation M2M M2T Code Model Doc, etc. © Icinetic 2012 12
  • 13. Models: some Cases of Use1. Validation 2. Interpretation 3. Code Generation Model Model Model Model Code Interpreter Checker Generation Runtime Code interpretation Metadata Generated Doc Report Code Config. Tests ... © Icinetic 2012 13
  • 14. Models: Code generation techniques1. Parse model Input Model2. In-memory representation Template  AST / Object Model AST3. Output building  Free text concatenation  XSL-T (No thanks!)  Text Template based Output code © Icinetic 2012 14
  • 15. Models: ParsersParsers License Url Grammar Parsing IDE Strengths notation algorithmANTLR BSD www.antlr EBNF LL Yes Mature & widely .org/ usedIrony.Net MIT irony.code BNF LALR Yes Interpreted plex.com/Gold parser FW goldparse BNF LALR No Supported r.org/ languages: more than any other parsing systemGrammatica GNU grammati EBNF LL No Readable generated ca.percede rberg.net/ parse code © Icinetic 2012 15
  • 16. MDSD: Editors Metamodel(s)Textual Model Editor ReverseVisual Model Editor Engineering Model(s) Model Checker Model repository IDE Model Transformation M2M M2T Code Model Doc, etc. © Icinetic 2012 16
  • 17. Textual Model Editors DDD Textual DSL  Essential Text Editor © Icinetic 2012 17
  • 18. Graphical Model Editors MS DSL Tools  WinForms  WPF Custom:  WinForms  WPF Third party tools: Visio, EA, etc. © Icinetic 2012 18
  • 19. Graphical Model Editors MS DSL Tools  WinForms  WPF Custom:  WinForms  WPF Third party tools: Visio, EA, etc. © Icinetic 2012 19
  • 20. Graphical Model Editors MS DSL Tools  WinForms  WPF Custom:  WinForms  WPF Third party tools: Visio, EA, etc. © Icinetic 2012 20
  • 21. Graphical Model Editors MS DSL Tools  WinForms  WPF Custom:  WinForms  WPF Third party tools: Visio, EA, etc. © Icinetic 2012 21
  • 22. Other Model Editors Tables Trees © Icinetic 2012 22
  • 23. MDSD: Reverse engineering Metamodel(s)Textual Model Editor ReverseVisual Model Editor Engineering Model(s) Model Checker Model repository IDE Model Transformation M2M M2T Code Model Doc, etc. © Icinetic 2012 23
  • 24. Reverse Engineering External assets to model Sources:  Databases  EDMX Database importer  Services  Custom parsers  Legacy code  Custom parsers © Icinetic 2012 24
  • 25. MDSD: Model Checkers Metamodel(s)Textual Model Editor ReverseVisual Model Editor Engineering Model(s) Model Checker Model repository IDE Model Transformation M2M M2T Code Model Doc, etc. © Icinetic 2012 25
  • 26. Model Checkers: Validation Engine MS DSL Tools  AOP  IDE integration  Hollywood Principle © Icinetic 2012 26
  • 27. Models Checkers: Validation Engine Essential  AST + Visitor  Two phase checking  Syntax check  Model Merge  Reference resolver  Semantic check  Validation FWK  Extensible © Icinetic 2012 27
  • 28. MDSD: Model Repositories Metamodel(s)Textual Model Editor ReverseVisual Model Editor Engineering Model(s) Model Checker Model repository IDE Model Transformation M2M M2T Code Model Doc, etc. © Icinetic 2012 28
  • 29. Model Repositories XML serialization to file Text serialization to file Relational DBMS Documental DB / NoSQL © Icinetic 2012 29
  • 30. Model Repositories XML serialization to file Text serialization to file Relational DBMS Documental DB / NoSQL © Icinetic 2012 30
  • 31. Model Repositories XML serialization to file Text serialization to file Relational DBMS Documental DB / NoSQL © Icinetic 2012 31
  • 32. Model Repositories XML serialization to file Text serialization to file Relational DBMS Documental DB / NoSQL © Icinetic 2012 32
  • 33. MDSD: Transformations Metamodel(s)Textual Model Editor ReverseVisual Model Editor Engineering Model(s) Model Checker Model repository IDE Model Transformation M2M M2T Code Model Doc, etc. © Icinetic 2012 33
  • 34. Transformations M2T  Free text concatenation  XSL-T (No thanks!)  Text Template based  T4  StringTemplate M2M  Imperative  Declarative © Icinetic 2012 34
  • 35. MDSD: M2T Metamodel(s)Textual Model Editor ReverseVisual Model Editor Engineering Model(s) Model Checker Model repository IDE Model Transformation M2M M2T Code Model Doc, etc. © Icinetic 2012 35
  • 36. M2T: T4 Templates Text Template Transformation Toolkit Released in 2005 by Microsoft Syntax:  Directives  Text blocks  Control blocks Usages:  Standard  Precompiled: webResponseText=template.TransformText(); © Icinetic 2012. 36
  • 37. M2T: StringTemplate Terrence Parr’s templates group Templates; Dynamic templates genMail(msg) ::= << From: $msg.From:genRecipient()$ Strong separation of To: $msg.To:genRecipient(); separator=", "$ concerns: Model, View and Control Subject: $msg.Subject$ MESSAGE: ------------------------------ $msg.Message$ Good maintanability ------------------------------ >> genRecipient()::= << $it.FullName$ <$it.Email$> >> © Icinetic 2012. 37
  • 38. M2T: Template Engines Time to generate 5000 files of 5 Kb of average 40 35 T4 30 StringTemplate 25 Write File 20 Generation Precompiled T4 15 Load/compile 10 5 0 T4 StringTemplate T4 Precompiled T4 StringTemplate Precompiled T4 Total time (ms) 392.935 56.483 48.894 Time(ms)/file 78,587 11,297 9,779 Time(ms)/MB 4.066,142 876,654 505,961 Improvement/T4 base x7 x8 © Icinetic 2012 38
  • 39. MDSD: M2M Metamodel(s)Textual Model Editor ReverseVisual Model Editor Engineering Model(s) Model Checker Model repository IDE Model Transformation M2M M2T Code Model Doc, etc. © Icinetic 2012 39
  • 40. M2M: Imperative © Icinetic 2012 40
  • 41. M2M: Imperative © Icinetic 2012 41
  • 42. M2M: Declarative Essential TRX  Rule-based language  Interpreted © Icinetic 2012 42
  • 43. MDSD: IDE Integration Metamodel(s)Textual Model Editor ReverseVisual Model Editor Engineering Model(s) Model Checker Model repository IDE Model Transformation M2M M2T Code Model Doc, etc. © Icinetic 2012 43
  • 44. IDE Integration1. Model Editors VS packages Folders & Projects2. Model checkers Generated & custom Errors validation code coexistence3. Model to Text Generated assets tracking © Icinetic 2012 44
  • 45. Making sense of it all Radarc  Plug-in on the top of Visual Studio  Modelling environment and code generation packetized by architectures © Icinetic 2012 45
  • 46. Radarc Formulas A Formula is a code  Formulas available generator including:  ASP.NET WebForms  Models / DSLs  ASP.NET MVC  Editors  MVC + Azure  Traceability rules  Windows Phone 7  Best practices  DDD N-Layered  Templates  … and growing © Icinetic 2012 46
  • 47. Demo© Icinetic 2012 47
  • 48. Conclusions Modelling and code generation technologies have matured a lot in the latest years The .NET platform has a strong base of tools to make MDSD approaches feasible. MDSD is not more a luxury, is a precision tool. Take profit! © Icinetic 2012 48
  • 49. Questions & (might be) Anwers © Icinetic 2012 49
  • 50. www.radarc.net @RadarcNetpjmolina.com/essential 50