- introduce factory builder to create factory instances

LightweightIocContainer/Interfaces/Factories/IFactoryBuilder.cs

@@ -0,0 +1,19 @@
+// Author: Simon.Gockner
+// Created: 2025-12-02
+// Copyright(c) 2025 SimonG. All Rights Reserved.
+
+namespace LightweightIocContainer.Interfaces.Factories;
+
+/// <summary>
+/// Internal class used by the factory source generator to create factory instances
+/// </summary>
+public interface IFactoryBuilder
+{
+    /// <summary>
+    /// Internal method used by the factory source generator to create factory instances
+    /// </summary>
+    /// <param name="container">The current instance of the <see cref="IocContainer"/></param>
+    /// <typeparam name="TFactory">The type of the factory</typeparam>
+    /// <returns>The created factory instance</returns>
+    TFactory Create<TFactory>(IocContainer container);
+}

LightweightIocContainer/Interfaces/Registrations/Fluent/IWithFactory.cs

@@ -29,9 +29,9 @@ public interface IWithFactory
     /// <summary>
     /// Internal method used by the factory source generator to add the generated factory to the registration
     /// </summary>
-    /// <param name="generatedFactory">The actual generated factory</param>
+    /// <param name="factoryBuilder">The factory creator</param>
     /// <typeparam name="TFactory">The type of the generated factory</typeparam>
-    void AddGeneratedFactory<TFactory>(TFactory generatedFactory);
+    void AddGeneratedFactory<TFactory>(IFactoryBuilder factoryBuilder);
 }
 
 internal interface IWithFactoryInternal : IWithFactory

LightweightIocContainer/LightweightIocContainer.xml

@@ -486,6 +486,19 @@
             <param name="assembly">The given <see cref="T:System.Reflection.Assembly"/></param>
             <returns>A new <see cref="T:LightweightIocContainer.Interfaces.Installers.IAssemblyInstaller"/> with the given <see cref="T:System.Reflection.Assembly"/></returns>
         </member>
+        <member name="T:LightweightIocContainer.Interfaces.Factories.IFactoryBuilder">
+            <summary>
+            Internal class used by the factory source generator to create factory instances
+            </summary>
+        </member>
+        <member name="M:LightweightIocContainer.Interfaces.Factories.IFactoryBuilder.Create``1(LightweightIocContainer.IocContainer)">
+            <summary>
+            Internal method used by the factory source generator to create factory instances
+            </summary>
+            <param name="container">The current instance of the <see cref="T:LightweightIocContainer.IocContainer"/></param>
+            <typeparam name="TFactory">The type of the factory</typeparam>
+            <returns>The created factory instance</returns>
+        </member>
         <member name="T:LightweightIocContainer.Interfaces.Factories.ITypedFactory">
             <summary>
             Non-generic <see cref="T:LightweightIocContainer.Interfaces.Factories.ITypedFactory`1"/>
@@ -670,11 +683,11 @@
             <typeparam name="TFactoryImplementation">The type of the implementation for the custom factory</typeparam>
             <returns>The current instance of this <see cref="T:LightweightIocContainer.Interfaces.Registrations.IRegistrationBase"/></returns>
         </member>
-        <member name="M:LightweightIocContainer.Interfaces.Registrations.Fluent.IWithFactory.AddGeneratedFactory``1(``0)">
+        <member name="M:LightweightIocContainer.Interfaces.Registrations.Fluent.IWithFactory.AddGeneratedFactory``1(LightweightIocContainer.Interfaces.Factories.IFactoryBuilder)">
             <summary>
             Internal method used by the factory source generator to add the generated factory to the registration
             </summary>
-            <param name="generatedFactory">The actual generated factory</param>
+            <param name="factoryBuilder">The factory creator</param>
             <typeparam name="TFactory">The type of the generated factory</typeparam>
         </member>
         <member name="P:LightweightIocContainer.Interfaces.Registrations.Fluent.IWithFactoryInternal.Factory">
@@ -1608,11 +1621,11 @@
             <typeparam name="TFactory">The type of the abstract typed factory</typeparam>
             <returns>The current instance of this <see cref="T:LightweightIocContainer.Interfaces.Registrations.IRegistrationBase"/></returns>
         </member>
-        <member name="M:LightweightIocContainer.Registrations.RegistrationBase.AddGeneratedFactory``1(``0)">
+        <member name="M:LightweightIocContainer.Registrations.RegistrationBase.AddGeneratedFactory``1(LightweightIocContainer.Interfaces.Factories.IFactoryBuilder)">
             <summary>
             Internal method used by the factory source generator to add the generated factory to the registration
             </summary>
-            <param name="generatedFactory">The actual generated factory</param>
+            <param name="factoryBuilder">The factory creator</param>
             <typeparam name="TFactory">The type of the generated factory</typeparam>
         </member>
         <member name="M:LightweightIocContainer.Registrations.RegistrationBase.WithFactory``2">

LightweightIocContainer/Registrations/RegistrationBase.cs

@@ -120,15 +120,15 @@ internal abstract class RegistrationBase : IRegistrationBase, IWithFactoryIntern
             
         return this;
     }
-    
+
     /// <summary>
     /// Internal method used by the factory source generator to add the generated factory to the registration
     /// </summary>
-    /// <param name="generatedFactory">The actual generated factory</param>
+    /// <param name="factoryBuilder">The factory creator</param>
     /// <typeparam name="TFactory">The type of the generated factory</typeparam>
-    public void AddGeneratedFactory<TFactory>(TFactory generatedFactory)
+    public void AddGeneratedFactory<TFactory>(IFactoryBuilder factoryBuilder)
     {
-        TypedFactory<TFactory> factory = new(generatedFactory);
+        TypedFactory<TFactory> factory = new(factoryBuilder.Create<TFactory>(_container));
         Factory = factory;
             
         _container.RegisterFactory(factory);