Objects on demand

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();
+
         }
     }
 }