// Registers surrogates with all of the operations on the specified contract. These surrogates
// take care of representing entities in the right shape based on TypeDescriptor extensions.
private static void RegisterSurrogates(ContractDescription contractDesc, DomainServiceDescription domainServiceDescription)
{
// Cache the list of entity types and surrogate types.
HashSet <Type> exposedTypes = new HashSet <Type>();
Dictionary <Type, Tuple <Type, Func <object, object> > > exposedTypeToSurrogateMap = new Dictionary <Type, Tuple <Type, Func <object, object> > >();
HashSet <Type> surrogateTypes = new HashSet <Type>();
foreach (Type entityType in domainServiceDescription.EntityTypes)
{
exposedTypes.Add(entityType);
}
// Because complex types and entities cannot share an inheritance relationship, we can add them to the same surrogate set.
foreach (Type complexType in domainServiceDescription.ComplexTypes)
{
exposedTypes.Add(complexType);
}
foreach (Type exposedType in exposedTypes)
{
Type surrogateType = DataContractSurrogateGenerator.GetSurrogateType(exposedTypes, exposedType);
Func <object, object> surrogateFactory = (Func <object, object>)DynamicMethodUtility.GetFactoryMethod(surrogateType.GetConstructor(new Type[] { exposedType }), typeof(Func <object, object>));
Tuple <Type, Func <object, object> > surrogateInfo = new Tuple <Type, Func <object, object> >(surrogateType, surrogateFactory);
exposedTypeToSurrogateMap.Add(exposedType, surrogateInfo);
surrogateTypes.Add(surrogateType);
}
DomainServiceSerializationSurrogate surrogate = new DomainServiceSerializationSurrogate(domainServiceDescription, exposedTypeToSurrogateMap, surrogateTypes);
// Register our serialization surrogate with the WSDL exporter.
DomainServiceWsdlExportExtension wsdlExportExtension = contractDesc.Behaviors.Find <DomainServiceWsdlExportExtension>();
if (wsdlExportExtension == null)
{
wsdlExportExtension = new DomainServiceWsdlExportExtension(surrogate);
contractDesc.Behaviors.Add(wsdlExportExtension);
}
// Register our serialization surrogate with the actual invoke operations.
foreach (OperationDescription op in contractDesc.Operations)
{
foreach (Type surrogateType in surrogateTypes)
{
op.KnownTypes.Add(surrogateType);
}
DataContractSerializerOperationBehavior dataContractBehavior = op.Behaviors.Find <DataContractSerializerOperationBehavior>();
if (dataContractBehavior == null)
{
dataContractBehavior = new DataContractSerializerOperationBehavior(op);
op.Behaviors.Add(dataContractBehavior);
}
dataContractBehavior.DataContractSurrogate = surrogate;
}
}
public DomainServiceWsdlExportExtension(DomainServiceSerializationSurrogate surrogate)
{
this.surrogate = surrogate;
}
public DomainServiceWsdlExportExtension(DomainServiceSerializationSurrogate surrogate)
{
this.surrogate = surrogate;
}
