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");
}
/// <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);
}
}