Implement manual serialization for DynamicDictionaryWrapper

Author: hazzik

src/NHibernate/Util/DynamicDictionaryWrapper.cs

@@ -2,14 +2,28 @@
 using System.Collections;
 using System.Collections.Generic;
 using System.Dynamic;
+using System.Runtime.Serialization;
 
 namespace NHibernate.Util
 {
 	[Serializable]
-	public class DynamicDictionaryWrapper : DynamicObject, IDictionary, IDictionary<string, object>
+	public sealed class DynamicDictionaryWrapper : DynamicObject, 
+		IDictionary, 
+		IDictionary<string, object>, 
+		ISerializable,
+		IDeserializationCallback
 	{
 		private readonly Dictionary<string, object> _data = new Dictionary<string, object>();
 
+		public DynamicDictionaryWrapper()
+		{
+		}
+
+		private DynamicDictionaryWrapper(SerializationInfo info, StreamingContext context)
+		{
+			_data = info.GetValue<Dictionary<string, object>>("Data");
+		}
+
 		public override bool TryGetMember(GetMemberBinder binder, out object result)
 		{
 			return _data.TryGetValue(binder.Name, out result);
@@ -187,5 +201,15 @@ object IDictionary<string, object>.this[string key]
 		ICollection<object> IDictionary<string, object>.Values => ((IDictionary<string, object>) _data).Values;
 
 		ICollection<string> IDictionary<string, object>.Keys => ((IDictionary<string, object>) _data).Keys;
+
+		void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
+		{
+			info.AddValue("Data", _data);
+		}
+
+		void IDeserializationCallback.OnDeserialization(object sender)
+		{
+			_data.OnDeserialization(sender);
+		}
 	}
 }