public static IServiceCollection AddCachePolicyInterception(this IServiceCollection services)
{
foreach (var d in services.ToArray())
{
// We do not support open generics
if (d.ServiceType.IsGenericTypeDefinition)
{
continue;
}
services.Decorate(d.ServiceType, (instance, provider) =>
{
if (d.ImplementationType == null)
{
return(instance);
}
var policies = d.ImplementationType
.GetMethods(BindingFlags.Instance | BindingFlags.Public)
.Select(m => PolicyFactory.TryGetOrCreatePolicies(m, provider, out _))
.ToList(); // Ensure enumerated so that all policies created according to attributes on the type (if any)
if (policies.All(policyCreated => !policyCreated))
{
return(instance);
}
return(Generator.InterceptWithPolicy(d.ServiceType, instance, PolicyFactory));
});
}
return(services);
}
