Added AddTriggeredDbContextPool that accepts an additional contract type

Author: koenbeuk

src/EntityFrameworkCore.Triggered/Extensions/ServiceCollectionExtensions.cs

@@ -34,7 +34,7 @@ public static IServiceCollection AddTriggeredDbContext<TContext>(this IServiceCo
             return serviceCollection;
         }
 
-        public static IServiceCollection AddTriggeredDbContextPool<TContext>(this IServiceCollection serviceCollection, Action<DbContextOptionsBuilder>? optionsAction = null, int poolSize = 128)
+        public static IServiceCollection AddTriggeredDbContextPool<TContext>(this IServiceCollection serviceCollection, Action<DbContextOptionsBuilder>? optionsAction = null, int poolSize = 1024)
             where TContext : DbContext
         {
             serviceCollection.AddDbContextPool<TContext>(options => {
@@ -55,6 +55,27 @@ public static IServiceCollection AddTriggeredDbContextPool<TContext>(this IServi
             return serviceCollection;
         }
 
+        public static IServiceCollection AddTriggeredDbContextPool<TContext, TImplementation>(this IServiceCollection serviceCollection, Action<DbContextOptionsBuilder>? optionsAction = null, int poolSize = 1024)
+            where TContext : class where TImplementation : DbContext, TContext
+        {
+            serviceCollection.AddDbContextPool<TContext, TImplementation>(options => {
+                optionsAction?.Invoke(options);
+                options.UseTriggers();
+            }, poolSize);
+
+            var serviceDescriptor = serviceCollection.FirstOrDefault(x => x.ServiceType == typeof(TContext));
+            if (serviceDescriptor?.ImplementationFactory != null)
+            {
+                serviceCollection.Replace(ServiceDescriptor.Describe(
+                    serviceType: typeof(TContext),
+                    implementationFactory: serviceProvider => SetApplicationTriggerServiceProviderAccessor(serviceDescriptor.ImplementationFactory(serviceProvider), serviceProvider),
+                    lifetime: ServiceLifetime.Transient
+                ));
+            }
+
+            return serviceCollection;
+        }
+
         public static IServiceCollection AddTriggeredDbContextFactory<TContext>(this IServiceCollection serviceCollection, Action<DbContextOptionsBuilder>? optionsAction = null, ServiceLifetime lifetime = ServiceLifetime.Singleton)
             where TContext : DbContext
         {

test/EntityFrameworkCore.Triggered.Tests/Infrastructure/ServiceCollectionExtensionsTests.cs

@@ -143,6 +143,27 @@ public void AddTriggeredDbContextPool_SupportsAScopedLifetime()
             Assert.Equal(context1, context1);
         }
 
+        [Fact]
+        public void AddTriggeredDbContextPool_SupportAContractType()
+        {
+            var subject = new ServiceCollection();
+            subject.AddTriggeredDbContextPool<DbContext, TestDbContext>(options => {
+                options.UseInMemoryDatabase("test");
+                options.ConfigureWarnings(warningOptions => {
+                    warningOptions.Ignore(CoreEventId.ManyServiceProvidersCreatedWarning);
+                });
+            });
+
+            var serviceProvider = subject.BuildServiceProvider();
+
+            using var scope = serviceProvider.CreateScope();
+
+            var context1 = scope.ServiceProvider.GetRequiredService<DbContext>();
+            var context2 = scope.ServiceProvider.GetRequiredService<TestDbContext>();
+
+            Assert.Equal(context1, context1);
+        }
+
 #if EFCORETRIGGERED2 || EFCORETRIGGERED3
         [Fact]
         public void AddTriggeredDbContextFactory_ReusesScopedServiceProvider()