Exported <TLimit, TActivatorData, TSingleRegistrationStyle>(
this IRegistrationBuilder <TLimit, TActivatorData, TSingleRegistrationStyle> registration,
Action <ExportConfigurationBuilder> configurationAction)
where TSingleRegistrationStyle : SingleRegistrationStyle
{
if (registration == null)
{
throw new ArgumentNullException("registration");
}
if (configurationAction == null)
{
throw new ArgumentNullException("configurationAction");
}
var configuration = new ExportConfigurationBuilder();
configurationAction(configuration);
registration.OnRegistered(e => AttachExport(e.ComponentRegistry, e.ComponentRegistration, configuration));
return(registration);
}
static void AttachExport(IComponentRegistry registry, IComponentRegistration registration, ExportConfigurationBuilder exportConfiguration)
{
var contractService = new ContractBasedService(exportConfiguration.ContractName, exportConfiguration.ExportTypeIdentity);
var service = registration.Services.FirstOrDefault();
var rb =
RegistrationBuilder.ForDelegate((c, p) =>
new Export(
new ExportDefinition(exportConfiguration.ContractName, exportConfiguration.Metadata),
() => c.ResolveComponent(service, registration, new Parameter[0])))
.As(contractService)
.ExternallyOwned()
.WithMetadata(exportConfiguration.Metadata);
registry.Register(rb.CreateRegistration());
}
