public static IBindingWithOrOnSyntax <TImplementation> AsService <TImplementation>(
this IBindingWithSyntax <TImplementation> syntax)
{
Type serviceType = null;
if (typeof(TImplementation).IsClass && !typeof(TImplementation).IsAbstract)
{
if (serviceType == null)
{
foreach (var interfaceType in typeof(TImplementation).GetInterfaces())
{
var bindings = syntax.Kernel.GetBindings(interfaceType).ToList();
foreach (var binding in bindings)
{
if (ReferenceEquals(binding.BindingConfiguration, syntax.BindingConfiguration))
{
serviceType = interfaceType;
break;
}
}
if (interfaceType != null)
{
break;
}
}
}
if (serviceType == null)
{
if (typeof(TImplementation).BaseType.IsAbstract)
{
var bindings = syntax.Kernel.GetBindings(typeof(TImplementation).BaseType).ToList();
foreach (var binding in bindings)
{
if (ReferenceEquals(binding.BindingConfiguration, syntax.BindingConfiguration))
{
serviceType = typeof(TImplementation).BaseType;
break;
}
}
}
}
}
if (serviceType == null)
{
throw new Exception();
}
var serviceBinding = new ServiceBindingInfo
{
ServiceType = serviceType,
ImplementationType = typeof(TImplementation)
};
syntax.Kernel.Bind <ServiceBindingInfo>().ToConstant(serviceBinding);
return(syntax.WithMetadata(nameof(ServiceBindingInfo), serviceBinding));
}
public static IBindingWithOrOnSyntax <TService> ToExtrnalService <TService>(this IBindingToSyntax <TService> syntax)
{
var serviceBinding = new ServiceBindingInfo
{
ServiceType = typeof(TService),
IsExternal = true
};
syntax.Kernel.Bind <ServiceBindingInfo>().ToConstant(serviceBinding);
return(syntax.ToMethod(ThrowOnAttemptToResolve <TService>)
.WithMetadata(nameof(ServiceBindingInfo), serviceBinding));
}
public static void AsExternalService <TLimit, TActivatorData, TRegistrationStyle>(
this IRegistrationBuilder <TLimit, TActivatorData, TRegistrationStyle> builder)
where TActivatorData : IConcreteActivatorData
where TRegistrationStyle : SingleRegistrationStyle
{
var registration = RegistrationBuilder.CreateRegistration(builder);
var serviceType = (registration.Services.FirstOrDefault() as TypedService)?.ServiceType;
if (serviceType != null)
{
var serviceBinding = new ServiceBindingInfo
{
ServiceType = serviceType,
IsExternal = true
};
builder.SingleInstance();
builder.ExternallyOwned();
builder.WithMetadata(nameof(ServiceBindingInfo), serviceBinding);
}
}
