internal static void SetupSingleton <TService>(ServiceDescription serviceDescription, TService implementation) where TService : class
{
ServiceBehaviorAttribute serviceBehavior = EnsureBehaviorAttribute(serviceDescription);
if (serviceBehavior.InstanceContextMode == InstanceContextMode.Single)
{
if (implementation == null)
{
// implementation will only be null if not provided using DI
implementation = CreateImplementation <TService>();
serviceBehavior.SetHiddenSingleton(implementation);
}
else
{
serviceBehavior.SetWellKnownSingleton(implementation);
}
}
}
private static void SetupSingleton(System.ServiceModel.Description.ServiceDescription serviceDescription, object implementation, bool isWellKnown)
{
ServiceBehaviorAttribute attribute = EnsureBehaviorAttribute(serviceDescription);
Type serviceType = serviceDescription.ServiceType;
if ((implementation == null) && (attribute.InstanceContextMode == InstanceContextMode.Single))
{
implementation = CreateImplementation(serviceType);
}
if (isWellKnown)
{
attribute.SetWellKnownSingleton(implementation);
}
else if ((implementation != null) && (attribute.InstanceContextMode == InstanceContextMode.Single))
{
attribute.SetHiddenSingleton(implementation);
}
}
internal static void SetupSingleton <TService>(ServiceDescription serviceDescription, IServiceProvider services) where TService : class
{
ServiceBehaviorAttribute serviceBehavior = serviceDescription.Behaviors.Find <ServiceBehaviorAttribute>();
Debug.Assert(serviceBehavior != null, "EnsureServiceBehavior should have ensured the serviceBehavior");
if (serviceBehavior.InstanceContextMode == InstanceContextMode.Single)
{
TService implementation = services.GetService <TService>();
if (implementation == null)
{
implementation = CreateImplementation <TService>();
serviceBehavior.SetHiddenSingleton(implementation);
}
else
{
serviceBehavior.SetWellKnownSingleton(implementation);
}
}
}
