Ejemplo n.º 1
0
        private static IBindingNamedWithOrOnSyntax <object> InScope(this IBindingInSyntax <object> syntax, ServiceDescriptor s, ScopedBindingResolver scopeBindingResolver)
        {
            switch (s.Lifetime)
            {
            case ServiceLifetime.Singleton:
                return(syntax.InSingletonScope());

            case ServiceLifetime.Scoped:
                return(scopeBindingResolver(s, syntax));

            case ServiceLifetime.Transient:
                return(syntax.InTransientScope());
            }

            throw new Exception("Invalid service descriptor binding");
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Populates the kernel with the supplied services.
        /// If <see cref="ServiceLifetime.Scoped"/> services are added, the caller must pass a <see cref="ScopedBindingResolver"/> delegate
        /// </summary>
        /// <param name="kernel"></param>
        /// <param name="services"></param>
        /// <param name="scopeBindingResolver">Used to apply scope for scoped service descriptors <see cref="ServiceLifetime.Scoped"/>. If not specified, will throw an exception</param>
        public static void Populate(this IKernel kernel, IServiceCollection services, ScopedBindingResolver scopeBindingResolver = null)
        {
            if (scopeBindingResolver == null)
            {
                scopeBindingResolver = (serviceDescriptor, syntax) => throw new Exception(
                                                 $"Scoped service descriptors are not supported by default. To support scoped bindings, please supply a {typeof(ScopedBindingResolver)} delegate");
            }

            services.TryAddSingleton <IServiceProvider>(kernel);

            services.TryAddSingleton <IServiceScopeFactory, ServiceScopeFactory>();

            foreach (var serviceDescriptor in services)
            {
                kernel
                .Bind(serviceDescriptor.ServiceType)
                .To(serviceDescriptor)
                .InScope(serviceDescriptor, scopeBindingResolver);
            }
        }