From cc7480f6dfa4a144b1f53ddfca874c1ac11ae95b Mon Sep 17 00:00:00 2001
From: maliming <malimings@gmail.com>
Date: Thu, 10 Dec 2020 16:07:06 +0800
Subject: [PATCH] Add AbpAutofacConstructorFinder

---
 .../AutofacRegistration.cs                    |  3 ++
 .../Autofac/AbpAutofacConstructorFinder.cs    | 43 +++++++++++++++++++
 2 files changed, 46 insertions(+)
 create mode 100644 framework/src/Volo.Abp.Autofac/Volo/Abp/Autofac/AbpAutofacConstructorFinder.cs

diff --git a/framework/src/Volo.Abp.Autofac/Autofac/Extensions/DependencyInjection/AutofacRegistration.cs b/framework/src/Volo.Abp.Autofac/Autofac/Extensions/DependencyInjection/AutofacRegistration.cs
index 024fc3a258..e0f7ec50ad 100644
--- a/framework/src/Volo.Abp.Autofac/Autofac/Extensions/DependencyInjection/AutofacRegistration.cs
+++ b/framework/src/Volo.Abp.Autofac/Autofac/Extensions/DependencyInjection/AutofacRegistration.cs
@@ -27,6 +27,7 @@ using System;
 using System.Reflection;
 using Autofac.Builder;
 using Microsoft.Extensions.DependencyInjection;
+using Volo.Abp.Autofac;
 using Volo.Abp.Modularity;
 
 namespace Autofac.Extensions.DependencyInjection
@@ -116,6 +117,7 @@ namespace Autofac.Extensions.DependencyInjection
                             .RegisterGeneric(service.ImplementationType)
                             .As(service.ServiceType)
                             .ConfigureLifecycle(service.Lifetime)
+                            .FindConstructorsWith(new AbpAutofacConstructorFinder())
                             .ConfigureAbpConventions(moduleContainer, registrationActionList);
                     }
                     else
@@ -124,6 +126,7 @@ namespace Autofac.Extensions.DependencyInjection
                             .RegisterType(service.ImplementationType)
                             .As(service.ServiceType)
                             .ConfigureLifecycle(service.Lifetime)
+                            .FindConstructorsWith(new AbpAutofacConstructorFinder())
                             .ConfigureAbpConventions(moduleContainer, registrationActionList);
                     }
                 }
diff --git a/framework/src/Volo.Abp.Autofac/Volo/Abp/Autofac/AbpAutofacConstructorFinder.cs b/framework/src/Volo.Abp.Autofac/Volo/Abp/Autofac/AbpAutofacConstructorFinder.cs
new file mode 100644
index 0000000000..a9d0b736a2
--- /dev/null
+++ b/framework/src/Volo.Abp.Autofac/Volo/Abp/Autofac/AbpAutofacConstructorFinder.cs
@@ -0,0 +1,43 @@
+using System;
+using System.Collections.Concurrent;
+using System.Reflection;
+using Autofac.Core.Activators.Reflection;
+
+namespace Volo.Abp.Autofac
+{
+    public class AbpAutofacConstructorFinder : IConstructorFinder
+    {
+        private const BindingFlags DeclaredOnlyPublicFlags = BindingFlags.Public | BindingFlags.Instance | BindingFlags.DeclaredOnly; //Remove static constructor, BindingFlags.Static
+
+        private readonly Func<Type, ConstructorInfo[]> _finder;
+
+        private static readonly ConcurrentDictionary<Type, ConstructorInfo[]> DefaultPublicConstructorsCache = new ConcurrentDictionary<Type, ConstructorInfo[]>();
+
+        public AbpAutofacConstructorFinder()
+            : this(GetDefaultPublicConstructors)
+        {
+        }
+
+        public AbpAutofacConstructorFinder(Func<Type, ConstructorInfo[]> finder)
+        {
+            _finder = finder ?? throw new ArgumentNullException(nameof(finder));
+        }
+
+        public ConstructorInfo[] FindConstructors(Type targetType)
+        {
+            return _finder(targetType);
+        }
+
+        private static ConstructorInfo[] GetDefaultPublicConstructors(Type type)
+        {
+            var retval = DefaultPublicConstructorsCache.GetOrAdd(type, t => t.GetConstructors(DeclaredOnlyPublicFlags));
+
+            if (retval.Length == 0)
+            {
+                throw new NoConstructorsFoundException(type);
+            }
+
+            return retval;
+        }
+    }
+}