Generation of Web-based Prototypes for Business Applications

Transcription

1 Generation of Web-based Prototypes for Business Applications Agenda: Motivation Requirements Research Models Realisation Experiences / Outlook Tobias Löwenthal Betreuer: Matthias Vianden Prof. Dr. Horst Lichter Research Group Software Construction

2 Application Architecture Client Layer Business Layer Data Layer JSP Application Facade Entity Manager Action Handler Controller Actions Management Entities Database Tobias Löwenthal Generation of web-based prototypes for business applications - 2 of 19 - / 2-Oct-12

3 (Dis-)Advantages + -- Clarity Heavy inital workload Technologies separated Much simple programming Application Facade is single interface Controller only technical, no business logic Generable Tobias Löwenthal Generation of web-based prototypes for business applications - 3 of 19 - / 2-Oct-12

4 Generator Approach Idea UML Domain Model Generator Source Code Advantages Faster entry into project Smaller programming overhead Faster feedback from customer possible Tobias Löwenthal Generation of web-based prototypes for business applications - 4 of 19 - / 2-Oct-12

5 Requirements Generator Functional Non-Functional + Generation of code for webbased information systems Architecture (Matthias/Java EE incl. EJB 3) + Reusability UML model input Tobias Löwenthal Generation of web-based prototypes for business applications - 5 of 19 - / 2-Oct-12

6 Requirements Product Functional Non-Functional + CRUD-Functionality IBM Websphere Application Server 7 - Design - Calculations etc. Tobias Löwenthal Generation of web-based prototypes for business applications - 6 of 19 - / 2-Oct-12

7 Example Product CustomerContract-UML-Model Tobias Löwenthal Generation of web-based prototypes for business applications - 7 of 19 - / 2-Oct-12

8 Example Product Tobias Löwenthal Generation of web-based prototypes for business applications - 8 of 19 - / 2-Oct-12

9 Research Tobias Löwenthal Generation of web-based prototypes for business applications - 9 of 19 - / 2-Oct-12

10 Webratio - Facts Aim: Ready-to-use web applications Two types of models Application model in WebML Process model in BPMN Fine granularity in modeling Modeling with pre-composed elements Output: Standard Java web application Tobias Löwenthal Generation of web-based prototypes for business applications - 10 of 19 - / 2-Oct-12

11 Webratio - Screenshot Tobias Löwenthal Generation of web-based prototypes for business applications - 11 of 19 - / 2-Oct-12

12 Webratio Pros / Cons + -- Modeling capabilities Deployment in Websphere Application Server 7 possible Architecture (no controller / management separation) Missing technology: Enterprise Java Beans No standard UML Tobias Löwenthal Generation of web-based prototypes for business applications - 12 of 19 - / 2-Oct-12

13 Sculptor - Facts Aim: Prototypes Modeling done with Sculptor Domain Specific Language Projects initialized using Maven JUnit support Tobias Löwenthal Generation of web-based prototypes for business applications - 13 of 19 - / 2-Oct-12

14 Sculptor Pros / Cons + -- Architecture No deployment in Websphere Application Server JPA functionality No graphical modeling support CRUD generation functionality Tobias Löwenthal Generation of web-based prototypes for business applications - 14 of 19 - / 2-Oct-12

15 Our Approach GENERATOR Application Model Business Layer Entity Model UML Domain Model GenModel EJBModel Source Code Presentation Layer Action Model JSPModel Tobias Löwenthal Generation of web-based prototypes for business applications - 15 of 19 - / 2-Oct-12

16 GenModel Used for: Additional information, like NavFromRoot, ischild, etc. Why? Reusability GENERATOR Application Model Business Layer Quick changes Entity Model Alternatives? UML Domain Model GenModel EJBModel Presentation Layer Source Code No model Action Model JSPModel Tobias Löwenthal Generation of web-based prototypes for business applications - 16 of 19 - / 2-Oct-12

17 Application Model Divided into Presentation Layer and Business Layer: Why? Derived from Java EE Architecture. Different technologies. Alternatives? One Layer / Model. GENERATOR Application Model Business Layer Entity Model UML Domain Model GenModel EJBModel Source Code Presentation Layer Action Model JSPModel Tobias Löwenthal Generation of web-based prototypes for business applications - 17 of 19 - / 2-Oct-12

18 Business Layer Divided into EntityModel and EJBModel: Why? Clarity Interchangeability Content: GENERATOR Application Model Business Layer Controller Entity Management Model Alternatives? One Model UML Domain Model GenModel EJBModel Presentation Layer Action Source Code Model JSPModel Tobias Löwenthal Generation of web-based prototypes for business applications - 18 of 19 - / 2-Oct-12

19 Presentation Layer Divided into ActionModel and JSPModel: Why? Functionality Technology Content: JSP Sites JSP Components Actions Responses Alternatives? One Model JSF GENERATOR UML Domain GenModel Model Application Model Business Layer Entity Model EJBModel Presentation Layer Action Model JSPModel Source Code Tobias Löwenthal Generation of web-based prototypes for business applications - 19 of 19 - / 2-Oct-12

20 Realisation Tobias Löwenthal Generation of web-based prototypes for business applications - 20 of 19 - / 2-Oct-12

21 M2T Model-to-text Transformation based on templates with meta-models based on parse Specifica on Meta-model creates is instance of Meta-model instance apply on Templates Generated code Tobias Löwenthal Generation of web-based prototypes for business applications - 21 of 19 - / 2-Oct-12

22 JET Java Emitter Templates JSP-like Syntax 3 forms of tags Input: XML, XMI Output: Any Disadvantages Xpath and EMF XMI JET-Tags not usable with Java-navigation Tobias Löwenthal Generation of web-based prototypes for business applications - 22 of 19 - / 2-Oct-12

23 Xpand Easy to learn 13 commands Input: Any but instantiator Output: Any Tobias Löwenthal Generation of web-based prototypes for business applications - 23 of 19 - / 2-Oct-12

24 M2M / Xtend Model-to-Model Transformation between instances Same or different meta-models Xtend Functional Same family as Xpand Proven technology Tobias Löwenthal Generation of web-based prototypes for business applications - 24 of 19 - / 2-Oct-12

25 Summary Done: Research / Evaluation Example Product Architecture Models M2T-Transformations M2M-Transformations (Begun) Tobias Löwenthal Generation of web-based prototypes for business applications - 25 of 19 - / 2-Oct-12

26 Experiences Our generator useful Procedure good Technological Xpand vs. JET Hard to combine all the technologies Tobias Löwenthal Generation of web-based prototypes for business applications - 26 of 19 - / 2-Oct-12

27 Outlook Completion M2M Generator: Eclipse-Plugin Tests Regeneration Thank you for your attention! Tobias Löwenthal Generation of web-based prototypes for business applications - 27 of 19 - / 2-Oct-12

28 GenModel Tobias Löwenthal Generation of web-based prototypes for business applications - 28 of 19 - / 2-Oct-12

29 EntityModel Tobias Löwenthal Generation of web-based prototypes for business applications - 29 of 19 - / 2-Oct-12

30 EJBModel Tobias Löwenthal Generation of web-based prototypes for business applications - 30 of 19 - / 2-Oct-12

31 EJBModel Tobias Löwenthal Generation of web-based prototypes for business applications - 31 of 19 - / 2-Oct-12

32 ActionModel Tobias Löwenthal Generation of web-based prototypes for business applications - 32 of 19 - / 2-Oct-12

33 JSPModel Tobias Löwenthal Generation of web-based prototypes for business applications - 33 of 19 - / 2-Oct-12