What's New in Entity Framework 4, by Julie Lerman
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The document presents an overview of new features in Entity Framework 4 as discussed by Julie Lerman at New England Code Camp 12. Key enhancements include design tool improvements, code generation with T4, lazy loading support, and performance upgrades. The overall aim is to address limitations from version 1 and support various development styles, particularly for SOA and n-tier applications.
What's New in Entity Framework 4, by Julie Lerman
- 1. What’s New in Entity Framework 4?Julie Lermanthedatafarm.com/[email protected]: @julielermanvtJulia Lerman October 17th 2009, New England Code Camp 12
- 2. Note to ViewersThis presentation is based on the Beta 1 of Visual Studio 2010. Some things will change when Beta 2 and RTM versions are releasedJulia Lerman October 17th 2009, New England Code Camp 12
- 3. Julie LermanJulia Lerman October 17th 2009, New England Code Camp 12websitetheDataFarm.comblog & twittertheDataFarm.com/blog@julielermanVTbook web siteLearnEntityFramework.comconsultant/mentorMicrosoft MVP, INETA Speaker,ASPInsider, MCP, VTdotNET Leader
- 4. AgendaDesign ToolsCode Generation CustomizationLazy LoadingPOCO SupportProductivityPerformance ImprovementsPost-Beta 1Features ToolkitJulia Lerman October 17th 2009, New England Code Camp 12
- 5. Design Tool EnhancementsPerson/PeopleBrewery/BreweriesJulia Lerman October 17th 2009, New England Code Camp 12
- 6. Code GenerationT4Julia Lerman October 17th 2009, New England Code Camp 12Text Template Transformation Toolkit
- 7. Lazy Loading SupportObjectContext.ContextOptions.LazyLoadingEnabled = trueJulia Lerman October 17th 2009, New England Code Camp 12
- 8. POCO SupportTurn off code generation from EDMX“Convention” will auto-map classes/entitiesJulia Lerman October 17th 2009, New England Code Camp 12
- 9. General ProductivityObjectSetSpecialized ObjectQueryMore flexibility for working with groups of like entity typesMinimizes dependency on ObjectQuery’s executionState ManagementApplyCurrentValues (was ApplyPropertyChanges in v1)ApplyOriginalValuesObjectStateEntry.ChangeStateObjectStateManager.ChangeRelationshipStateJulia Lerman October 17th 2009, New England Code Camp 12
- 10. More Flexible ModelingModel-Defined FunctionsCustom properties bound to the modelUse as query results or predicatesReturn scalars, collections, types, etc.Julia Lerman October 17th 2009, New England Code Camp 12
- 11. Performance ImprovementsQuery compilation under the coversSmarter joinsSome unnecessary casting removedUnnecessary IsNull use removedImproved store commandsBetter quality command = better performanceContains , StartsWith, EndsWithJulia Lerman October 17th 2009, New England Code Camp 12
- 12. Post-Beta 1In the BoxForeign Key SupportOther tweaks here and thereFeature CPTCode Only Design Look Ma, No Model!Self-Tracking EntitiesMore T4 TemplatesJulia Lerman October 17th 2009, New England Code Camp 12
- 13. SummaryEF4 addresses many limitations of v1Expanded capability for various development stylesMany changes to support SOA and n-TierDesigner supports more mapping capabilitiesJulia Lerman October 17th 2009, New England Code Camp 12
- 14. ResourcesLearnEntityFramework.com/resourcesblogs.msdn.com/adonet, efdesign, dsimmons, alexj, more...msdn.microsoft.com/dataGateway to whitepapers, forums, documentationJulia Lerman October 17th 2009, New England Code Camp 12
- 15. ContactwebsitetheDataFarm.comblog & twittertheDataFarm.com/blog@julielermanVTbook web siteLearnEntityFramework.comMicrosoft MVP, INETA Speaker,ASPInsider, MCP, VTdotNET LeaderJulia Lerman October 17th 2009, New England Code Camp 12