Refactored. Added IAbpInterceptor.

src/Volo.Abp.Autofac/Microsoft/Extensions/DependencyInjection/AbpAutofacServiceCollectionExtensions.cs

@@ -1,19 +1,13 @@
 using System;
 using Autofac;
 using JetBrains.Annotations;
-using Microsoft.Extensions.DependencyInjection;
+using Volo;
+using Volo.Abp;
 
-namespace Volo.Abp
+namespace Microsoft.Extensions.DependencyInjection
 {
-    public static class AbpAutofacExtensions
+    public static class AbpAutofacServiceCollectionExtensions
     {
-        public static void UseAutofac(this AbpApplicationCreationOptions options)
-        {
-            var builder = new ContainerBuilder();
-            options.Services.AddObjectAccessor(builder);
-            options.Services.AddSingleton((IServiceProviderFactory<ContainerBuilder>) new AbpAutofacServiceProviderFactory(builder));
-        }
-
         [NotNull]
         public static ContainerBuilder GetContainerBuilder([NotNull] this IServiceCollection services)
         {
@@ -22,7 +16,7 @@ namespace Volo.Abp
             var builder = services.GetObjectOrNull<ContainerBuilder>();
             if (builder == null)
             {
-                throw new AbpException($"Could not find ContainerBuilder. Be sure that you have called {nameof(UseAutofac)} method before!");
+                throw new AbpException($"Could not find ContainerBuilder. Be sure that you have called {nameof(AbpAutofacAbpApplicationCreationOptionsExtensions.UseAutofac)} method before!");
             }
 
             return builder;
@@ -35,7 +29,7 @@ namespace Volo.Abp
             var serviceProviderFactory = services.GetSingletonInstanceOrNull<IServiceProviderFactory<ContainerBuilder>>();
             if (serviceProviderFactory == null)
             {
-                throw new AbpException($"Could not find {typeof(IServiceProviderFactory<ContainerBuilder>).FullName} in {services}. Use {nameof(UseAutofac)} before!");
+                throw new AbpException($"Could not find {typeof(IServiceProviderFactory<ContainerBuilder>).FullName} in {services}. Use {nameof(AbpAutofacAbpApplicationCreationOptionsExtensions.UseAutofac)} before!");
             }
 
             var builder = serviceProviderFactory.CreateBuilder(services);

src/Volo.Abp.Autofac/Volo/Abp/AbpAutofacAbpApplicationCreationOptionsExtensions.cs

@@ -0,0 +1,16 @@
+using Autofac;
+using Microsoft.Extensions.DependencyInjection;
+using Volo.Abp.Autofac;
+
+namespace Volo.Abp
+{
+    public static class AbpAutofacAbpApplicationCreationOptionsExtensions
+    {
+        public static void UseAutofac(this AbpApplicationCreationOptions options)
+        {
+            var builder = new ContainerBuilder();
+            options.Services.AddObjectAccessor(builder);
+            options.Services.AddSingleton((IServiceProviderFactory<ContainerBuilder>) new AbpAutofacServiceProviderFactory(builder));
+        }
+    }
+}

src/Volo.Abp.Autofac/Volo/Abp/Autofac/AbpAutofacServiceProviderFactory.cs

@@ -3,7 +3,7 @@ using Autofac;
 using Autofac.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection;
 
-namespace Volo.Abp
+namespace Volo.Abp.Autofac
 {
     /// <summary>
     /// A factory for creating a <see cref="T:Autofac.ContainerBuilder" /> and an <see cref="T:System.IServiceProvider" />.

src/Volo.Abp/Volo/Abp/DynamicProxy/IAbpInterceptor.cs

@@ -0,0 +1,7 @@
+namespace Volo.Abp.DynamicProxy
+{
+    public interface IAbpInterceptor
+    {
+        void Intercept(IAbpMethodInvocation invocation);
+    }
+}

src/Volo.Abp/Volo/Abp/DynamicProxy/IAbpMethodInvocation.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Reflection;
+
+namespace Volo.Abp.DynamicProxy
+{
+    public interface IAbpMethodInvocation
+    {
+        object[] Arguments { get; }
+
+        Type[] GenericArguments { get; }
+
+        object InvocationTarget { get; }
+
+        MethodInfo MethodInvocationTarget { get; }
+
+        object ReturnValue { get; set; }
+
+        void Proceed();
+    }
+}