Remove the generic OpenIddictExtension class

src/OpenIddict.EntityFrameworkCore/OpenIddictExtension.cs

@@ -1,42 +0,0 @@
-/*
- * Licensed under the Apache License, Version 2.0 (http://www.apache.org/licenses/LICENSE-2.0)
- * See https://github.com/openiddict/openiddict-core for more information concerning
- * the license and the contributors participating to this project.
- */
-
-using System;
-using JetBrains.Annotations;
-using Microsoft.EntityFrameworkCore.Infrastructure;
-using Microsoft.Extensions.DependencyInjection;
-using OpenIddict.Models;
-
-namespace OpenIddict.EntityFrameworkCore
-{
-    public class OpenIddictExtension<TApplication, TAuthorization, TScope, TToken, TKey> : IDbContextOptionsExtension
-        where TApplication : OpenIddictApplication<TKey, TAuthorization, TToken>, new()
-        where TAuthorization : OpenIddictAuthorization<TKey, TApplication, TToken>, new()
-        where TScope : OpenIddictScope<TKey>, new()
-        where TToken : OpenIddictToken<TKey, TApplication, TAuthorization>, new()
-        where TKey : IEquatable<TKey>
-    {
-        public string LogFragment => null;
-
-        public bool ApplyServices([NotNull] IServiceCollection services)
-        {
-            if (services == null)
-            {
-                throw new ArgumentNullException(nameof(services));
-            }
-
-            services.AddSingleton<IModelCustomizer, OpenIddictCustomizer<TApplication, TAuthorization, TScope, TToken, TKey>>();
-
-            // Return false to indicate that no database
-            // provider was registered by this extension.
-            return false;
-        }
-
-        public long GetServiceProviderHashCode() => 0;
-
-        public void Validate([NotNull] IDbContextOptions options) { }
-    }
-}

src/OpenIddict.EntityFrameworkCore/OpenIddictExtensions.cs

@@ -161,10 +161,7 @@ namespace Microsoft.Extensions.DependencyInjection
                 throw new ArgumentNullException(nameof(builder));
             }
 
-            var extension = new OpenIddictExtension<TApplication, TAuthorization, TScope, TToken, TKey>();
+            return builder.ReplaceService<IModelCustomizer, OpenIddictCustomizer<TApplication, TAuthorization, TScope, TToken, TKey>>();
-            ((IDbContextOptionsBuilderInfrastructure) builder).AddOrUpdateExtension(extension);
-
-            return builder;
         }
 
         /// <summary>