public static object GetRequiredNamedService(this IServiceProvider serviceProvider, Type type, string key)
{
var namedServiceType = NamedServiceHelper.GenerateNamedServiceType(key, type);
var namedService = serviceProvider.GetRequiredService(namedServiceType) as INamedService;
return(namedService?.Service);
}
public static T GetNamedService <T>(this IServiceProvider serviceProvider, Enum key) where T : class
{
var namedServiceType = NamedServiceHelper.GenerateNamedServiceType <T>(key);
var namedService = serviceProvider.GetService(namedServiceType) as INamedService <T>;
return(namedService?.Service);
}
public static IServiceCollection TryAddNamed(this IServiceCollection serviceCollection, Type type, Enum key, Func <IServiceProvider, object> implementationFactory, ServiceLifetime serviceLifetime)
{
var namedService = NamedServiceHelper.GenerateNamedServiceType(key, type);
serviceCollection.TryAdd(new ServiceDescriptor(namedService, provider => Activator.CreateInstance(namedService, implementationFactory(provider)), serviceLifetime));
return(serviceCollection);
}
public static IServiceCollection TryAddNamed(this IServiceCollection serviceCollection, Type type, Enum key, object implementationInstance)
{
var namedService = NamedServiceHelper.GenerateNamedServiceType(key, type);
var namedImplementationInstance = Activator.CreateInstance(namedService, implementationInstance);
serviceCollection.TryAdd(new ServiceDescriptor(namedService, namedImplementationInstance));
return(serviceCollection);
}