Add project files.

Esiur/Resource/Storable.cs

@@ -0,0 +1,48 @@
+using Esiur.Data;
+using Esiur.Engine;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Esiur.Resource
+{
+    [AttributeUsage(AttributeTargets.All)]
+    public class Storable : global::System.Attribute
+    {
+        public delegate object SerializerFunction(object value);
+        public delegate object DeserializerFunction(object data);
+
+        SerializerFunction serializer;
+        DeserializerFunction deserializer;
+        DataType type;
+
+        public Storable()
+        {
+            type = DataType.Void;
+        }
+
+        public DeserializerFunction Deserializer
+        {
+            get { return deserializer; }
+        }
+
+        public SerializerFunction Serializer
+        {
+            get { return serializer; }
+        }
+
+        public Storable(DataType type)
+        {
+            this.type = type;
+        }
+
+        public Storable(DataType type, SerializerFunction serializer, DeserializerFunction deserializer)
+        {
+            this.type = type;
+            this.serializer = serializer;
+            this.deserializer = deserializer;
+        }
+    }
+}