What’s New in Entity Framework 4?Julie Lermanthedatafarm.com/blogjlerman@thedatafarm.comTwitter: @julielermanvtJulia Lerman October 17th 2009, New England Code Camp 12

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

AgendaDesign ToolsCode Generation CustomizationLazy LoadingPOCO SupportProductivityPerformance ImprovementsPost-Beta 1Features ToolkitJulia Lerman October 17th 2009, New England Code Camp 12

Design Tool EnhancementsPerson/PeopleBrewery/BreweriesJulia Lerman October 17th 2009, New England Code Camp 12

Code GenerationT4Julia Lerman October 17th 2009, New England Code Camp 12Text Template Transformation Toolkit

Lazy Loading SupportObjectContext.ContextOptions.LazyLoadingEnabled = trueJulia Lerman October 17th 2009, New England Code Camp 12

POCO SupportTurn off code generation from EDMX“Convention” will auto-map classes/entitiesJulia Lerman October 17th 2009, New England Code Camp 12

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

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

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

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

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

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

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