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Multi-Project/XSD Data Layer

Multi-Project/XSD Data Layer. DataContracts in WCF. Serialization Programming Model for WCF Similar to ISerializable (also supported by WCF) Can generate from/to WSDL/XSD using svctool Example:

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Multi-Project/XSD Data Layer

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  1. Multi-Project/XSD Data Layer

  2. DataContracts in WCF • Serialization Programming Model for WCF • Similar to ISerializable(also supported by WCF) • Can generate from/to WSDL/XSD using svctool • Example: • [DataContract]public class ComplexDataContract{ [DataMember] string name; [DataMember]System.Version version; [DataMember]System.IO.FileInfofileInfo; [DataMember]System.Collections.Generic.List<System.Uri> uriList; [DataMember] System.Data.SqlTypes.SqlInt32 sqlInt; [DataMember]System.Drawing.KnownColorknownColor;}

  3. Import with Import challenges • xs:import references a namespace, but also a physical document • Namespaces in .NET assembly are not bound to the physical document or XML namespace. • Import parent XSD then import chiid XSD. Duplicate types created.

  4. Solutions • SvcTool parameter /references: • Allows parent assemblies to be referenced • Searches for duplicate types • “Custom Tool” for Visual Studio • Generates code when XSD is edited • Integrates with project system

  5. Problems • SvcTool is limited: • Only supports basic types in parent element/type • boolean, byte, dateTime, decimal, double, float, int, long, short, unsignedByte, unsignedInt, unsignedLong, unsignedShort • Critical: Fails if xs:string is included • Option B: • Use XsdDataContractImporter • Would have better performance too

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