#33: add IMultipleRegistration

LightweightIocContainer/Interfaces/Registrations/IMultipleRegistration.cs

@@ -0,0 +1,22 @@
+// Author: Simon Gockner
+// Created: 2019-12-07
+// Copyright(c) 2019 SimonG. All Rights Reserved.
+
+using System.Collections.Generic;
+using LightweightIocContainer.Interfaces.Registrations.FluentProviders;
+
+namespace LightweightIocContainer.Interfaces.Registrations
+{
+    /// <summary>
+    /// An <see cref="IRegistrationBase{TInterface}"/> to register multiple interfaces for on implementation type
+    /// </summary>
+    /// <typeparam name="TInterface1">The first interface</typeparam>
+    /// <typeparam name="TInterface2">The second interface</typeparam>
+    public interface IMultipleRegistration<TInterface1, TInterface2> : ITypedRegistrationBase<TInterface1>, IOnCreate<TInterface1, TInterface2>
+    {
+        /// <summary>
+        /// A <see cref="List{T}"/> of <see cref="IRegistration"/>s that are registered within this <see cref="IMultipleRegistration{TInterface1,TInterface2}"/>
+        /// </summary>
+        List<IRegistration> Registrations { get; }
+    }
+}

LightweightIocContainer/Registrations/MultipleRegistration.cs

@@ -0,0 +1,59 @@
+// Author: Simon Gockner
+// Created: 2019-12-07
+// Copyright(c) 2019 SimonG. All Rights Reserved.
+
+using System;
+using System.Collections.Generic;
+using LightweightIocContainer.Interfaces.Registrations;
+
+namespace LightweightIocContainer.Registrations
+{
+    /// <summary>
+    /// An <see cref="IRegistrationBase{TInterface}"/> to register multiple interfaces for on implementation type
+    /// </summary>
+    /// <typeparam name="TInterface1">The first interface</typeparam>
+    /// <typeparam name="TInterface2">The second interface</typeparam>
+    public class MultipleRegistration<TInterface1, TInterface2> : TypedRegistrationBase<TInterface1>, IMultipleRegistration<TInterface1, TInterface2>
+    {
+        /// <summary>
+        /// An <see cref="IRegistrationBase{TInterface}"/> to register multiple interfaces for on implementation type
+        /// </summary>
+        /// <param name="interfaceType1">The <see cref="Type"/> of the first interface</param>
+        /// <param name="interfaceType2">The <see cref="Type"/> of the second interface</param>
+        /// <param name="implementationType">The <see cref="Type"/> of the implementation</param>
+        /// <param name="lifestyle">The <see cref="Lifestyle"/> of this <see cref="MultipleRegistration{TInterface1,TInterface2}"/></param>
+        public MultipleRegistration(Type interfaceType1, Type interfaceType2, Type implementationType, Lifestyle lifestyle)
+            : base(interfaceType1, implementationType, lifestyle)
+        {
+            Registrations = new List<IRegistration>()
+            {
+                new DefaultRegistration<TInterface1>(interfaceType1, implementationType, lifestyle),
+                new DefaultRegistration<TInterface2>(interfaceType2, implementationType, lifestyle)
+            };
+        }
+
+        /// <summary>
+        /// A <see cref="List{T}"/> of <see cref="IRegistration"/>s that are registered within this <see cref="MultipleRegistration{TInterface1,TInterface2}"/>
+        /// </summary>
+        public List<IRegistration> Registrations { get; }
+
+        /// <summary>
+        /// Pass an <see cref="Action{T}"/> for each interface that will be invoked when instances of the types are created
+        /// </summary>
+        /// <param name="action1">The first <see cref="Action{T}"/></param>
+        /// <param name="action2">The second <see cref="Action{T}"/></param>
+        /// <returns>The current instance of this <see cref="MultipleRegistration{TInterface1,TInterface2}"/></returns>
+        public IMultipleRegistration<TInterface1, TInterface2> OnCreate(Action<TInterface1> action1, Action<TInterface2> action2)
+        {
+            foreach (var registration in Registrations)
+            {
+                if (registration is IDefaultRegistration<TInterface2> interface2Registration)
+                    interface2Registration.OnCreate(action2);
+                else if (registration is IDefaultRegistration<TInterface1> interface1Registration)
+                    interface1Registration.OnCreate(action1);
+            }
+
+            return this;
+        }
+    }
+}