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Editor's Notes
- #5 Sync frameworkFeatures technologies and tools that enable roaming, taking data offline & in certain scenariossharing of data between peersCore components / sync runtime responsible for orchestrating the sync processRuntime achieves sync via making calls to what we call as ‘Providers’Communicate status, conflicts & errors to the client application
- #7 Provider for synchronizing ADO.net based data sourcesThe participating databases may be different productsIn case of windows mobile, provider is available for SQL Compact 3.5 SP1 Peer – peer topology Client – Server2 – tier – Client & the server provider reside on the same boxN – tier – web service based, client and server providers are distributedTooling supportTakes care of the plumbing codeGenerates client adapter & server provider codeTight integration with SQL 2008 change tracking featureAdapter builder – simillar to ADO.net command builder
- #8 Configuration to sync data between Windows mobile running SQL Compact 3.5 & Server DatabaseADO.Net sync provider on the web serverSync services exposed via web serviceSyncAdapater – 1:1 mapping with tablesSQLCommand object sync download from server dbSQLCommand object for sync uploade from client dbData filtering implemented by customizing the SQLCommands of a syncAdapterClient Communicates with remote server via a ‘Proxy’Windows Forms application for a deviceLocal database SQL Compact 3.5SyncAgent – acts as a ‘Orchestrator’ for synchronizationSyncTable 1:1 mapping with the database tablesTransaction boundary - SyncGroups
- #9 Separate binaries for desktop & devicesSQL Server 2008 change trackingChange tracking built into the database engineAPI to access the change information, CHANGETABLE(……)No need for plumbing code
- #10 Client application - .Net CF 3.5 Windows Forms ApplicationServer application – WCF web application & web library local data cache is added to the WCF library Select server connection Add a list of tables Change the order – controls the order in which table data is synchedSyncDirection : Bidirectional,Download,Upload Apply XMLSerializerFormatattrribute to the contract - important Map the service to the implementation Add a service for exposing the sync service methodsGenerate WCF proxy using utility netcfsvcutil, apply the XMLSerializer attribute
- #13 If you would like to host your demo on the Virtual Server, please use the myVPC demo slide, not this slide.
- #14 Same data getting changed by multiple users might result into conflictsConflicts are detected at a row levelBoth errors and conflicts are treated as conflicts
- #15 If you would like to host your demo on the Virtual Server, please use the myVPC demo slide, not this slide.