/// <inheritdoc/>
public void ProvideMiddleware(Service service, IComponentRegistryServices availableServices, IResolvePipelineBuilder pipelineBuilder)
{
if (service is IServiceWithType swt)
{
var closedDecoratorService = new DecoratorService(swt.ServiceType, _decoratorService.Condition);
// Try to bind to the service.
if (OpenGenericServiceBinder.TryBindOpenGenericTypedService(closedDecoratorService, _registrationData.Services, _activatorData.ImplementationType, out var constructedImplementationType, out var services))
{
// Create a new closed-generic registration.
var registration = new ComponentRegistration(
Guid.NewGuid(),
new ReflectionActivator(constructedImplementationType, _activatorData.ConstructorFinder, _activatorData.ConstructorSelector, _activatorData.ConfiguredParameters, _activatorData.ConfiguredProperties),
_registrationData.Lifetime,
_registrationData.Sharing,
_registrationData.Ownership,
services,
_registrationData.Metadata);
// Build the resolve pipeline so we can invoke it.
registration.BuildResolvePipeline(availableServices);
// Add our closed decorator middleware to the pipeline.
pipelineBuilder.Use(new DecoratorMiddleware(closedDecoratorService, registration), MiddlewareInsertionMode.StartOfPhase);
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="OpenGenericDecoratorMiddlewareSource"/> class.
/// </summary>
/// <param name="decoratorService">The decorator service.</param>
/// <param name="registrationData">The registration data for the decorator.</param>
/// <param name="activatorData">The activator data for the decorator.</param>
public OpenGenericDecoratorMiddlewareSource(DecoratorService decoratorService, RegistrationData registrationData, ReflectionActivatorData activatorData)
{
_decoratorService = decoratorService ?? throw new ArgumentNullException(nameof(decoratorService));
_registrationData = registrationData ?? throw new ArgumentNullException(nameof(registrationData));
_activatorData = activatorData ?? throw new ArgumentNullException(nameof(activatorData));
OpenGenericServiceBinder.EnforceBindable(activatorData.ImplementationType, registrationData.Services);
}
