Merge pull request #1726 from elastic/fix/norms-mapping

Fix/norms mapping

Author: Mpdreamz

src/Nest/Mapping/Norms/Norms.cs

@@ -0,0 +1,33 @@
+using System;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+
+namespace Nest
+{
+	[JsonObject(MemberSerialization.OptIn)]
+	[JsonConverter(typeof(ReadAsTypeJsonConverter<Norms>))]
+	public interface INorms
+	{
+		[JsonProperty("enabled")]
+		bool? Enabled { get; set; }
+
+		[JsonProperty("loading")]
+		[JsonConverter(typeof(StringEnumConverter))]
+		NormsLoading? Loading { get; set; }
+	}
+
+	public class Norms : INorms
+	{
+		public bool? Enabled { get; set; }
+		public NormsLoading? Loading { get; set; }
+	}
+
+	public class NormsDescriptor : DescriptorBase<NormsDescriptor, INorms>, INorms
+	{
+		bool? INorms.Enabled { get; set; }
+		NormsLoading? INorms.Loading { get; set; }
+
+		public NormsDescriptor Enabled(bool enabled = true) => Assign(a => a.Enabled = enabled);
+		public NormsDescriptor Loading(NormsLoading loading) => Assign(a => a.Loading = loading);
+	}
+}

src/Nest/Mapping/Norms/NormsMapping.cs

@@ -8,7 +8,7 @@ public class StringAttribute : ElasticsearchPropertyAttribute, IStringProperty
         TermVectorOption? IStringProperty.TermVector { get; set; }
         double? IStringProperty.Boost { get; set; }
         string IStringProperty.NullValue { get; set; }
-		NormsMapping IStringProperty.Norms { get; set; }
+		INorms IStringProperty.Norms { get; set; }
 		IndexOptions? IStringProperty.IndexOptions { get; set; }
         string IStringProperty.Analyzer { get; set; }
         string IStringProperty.SearchAnalyzer { get; set; }