From 5ca347fc6a5c7977990377985f81305aeae2dfc6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tommy=20=C3=96man?= <tommy@oeman.se>
Date: Sun, 29 Nov 2020 20:57:05 +0100
Subject: [PATCH] Objects on demand

---
 PatternDemo2/Program.cs | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/PatternDemo2/Program.cs b/PatternDemo2/Program.cs
index 232b0a1..d969d84 100644
--- a/PatternDemo2/Program.cs
+++ b/PatternDemo2/Program.cs
@@ -6,6 +6,8 @@ namespace PatternDemoCore
 
     public class Entity
     {
+        public delegate Entity Factory();
+
         private static Random random = new Random();
         private int number;
 
@@ -22,16 +24,17 @@ namespace PatternDemoCore
 
     public class ViewModel
     {
-        private readonly IContainer container;
+        private readonly Entity.Factory entityFactory;
 
-        public ViewModel(IContainer container)
+        public ViewModel(Entity.Factory entityFactory)
         {
-            this.container = container;
+            this.entityFactory = entityFactory;
         }
 
         public void Method()
         {
-            var entity = container.Resolve<Entity>();
+            var entity = entityFactory();
+            Console.WriteLine(entity);
         }
     }
 
@@ -40,7 +43,16 @@ namespace PatternDemoCore
     {
         static void Main(string[] args)
         {
-            Console.WriteLine("Hello World!");
+            var cb = new ContainerBuilder();
+            cb.RegisterType<Entity>().InstancePerDependency();
+            cb.RegisterType<ViewModel>();
+
+            var container = cb.Build();
+            var vm = container.Resolve<ViewModel>();
+
+            vm.Method();
+            vm.Method();
+
         }
     }
 }