1. To OData or Not to OData Chris Eargle kodefuguru.com

2. What kind of apps do you build?

3. Monolithic Application I do everything Database

4. Separation of Concerns Model View Controller MVC is just one example.

5. Layered Application Workflow Component Entity Business Layer DAL Component Gateway Data Access Layer Controller View Model Presentation Layer Crosscutting Concerns

6. Enterprise Applications DB Workflow Service Data Service Business Service WPF App Console App Web App Public Service

7. Enterprise Ecosystem

8. Service-Oriented Architecture Standardized Contract Loose Coupling Abstraction Reusability Autonomy Statelessness Discoverability Composability

9. Two Primary Styles RPC Remote Procedure Call REST Representational State Transfer

10. What is REST?

11. REST Architectural Style Stateless Not True!!! Resources

12. Resource-Oriented Architecture Expose many URIs One for each resource No cookies representing IDs Aggregate Resources are represented with a URI URI should facilitate “cut & paste”

13. What is OData?

14. OData Open Data Protocol REST-based content-type AtomPub JSON XML

15. Relational Data Resources

16. OData Providers WCF Data Services WCF RIA Services SharePoint 2010 SharePoint 2010

17. Enterprise Infrastructure Applications Services Resources OData

18. Resource-Oriented Infrastructure Services ResourcesOrchestration Applications

19. Potential Services Workflow Component Entity Business Layer DAL Component Gateway Data Access Layer Controller View Model Presentation Layer Crosscutting Concerns

20. AN ODATA SERVICE DEMO

21. Should We Use OData?

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24. THANK YOU