BHoM_Engine: add Query.Hash() extension method

BHoM_Engine/BHoM_Engine.csproj

@@ -80,6 +80,7 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="Compute\ExecutionSpeed.cs" />
     <Compile Include="Query\GroupByType.cs" />
+    <Compile Include="Query\Hash.cs" />
     <Compile Include="Query\ObjectsByType.cs" />
     <Compile Include="Query\ShallowClone.cs" />
     <Compile Include="Query\TryGetValue.cs" />

BHoM_Engine/Compute/Hash.cs

@@ -51,7 +51,7 @@ public static partial class Compute
         [Input("typeExceptions", "(Optional) e.g. `typeof(Guid)`. Any corresponding type is ignored.")]
         [Input("maxNesting", "(Optional) e.g. `100`. If any property is nested into the object over that level, it is ignored.")]
         public static string Hash(
-            this IObject iObj,
+            IObject iObj,
             List<string> propertyNameExceptions = null, //e.g. `Fragments`
             List<string> propertyFullNameExceptions = null, //e.g. `BH.oM.Structure.Elements.Bar.Fragments`
             List<string> namespaceExceptions = null, //e.g. `BH.oM.Structure`

BHoM_Engine/Query/Hash.cs

@@ -0,0 +1,57 @@
+/*
+ * This file is part of the Buildings and Habitats object Model (BHoM)
+ * Copyright (c) 2015 - 2020, the respective contributors. All rights reserved.
+ *
+ * Each contributor holds copyright over their respective contributions.
+ * The project versioning (Git) records all such contribution source information.
+ *                                           
+ *                                                                              
+ * The BHoM is free software: you can redistribute it and/or modify         
+ * it under the terms of the GNU Lesser General Public License as published by  
+ * the Free Software Foundation, either version 3.0 of the License, or          
+ * (at your option) any later version.                                          
+ *                                                                              
+ * The BHoM is distributed in the hope that it will be useful,              
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of               
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                 
+ * GNU Lesser General Public License for more details.                          
+ *                                                                            
+ * You should have received a copy of the GNU Lesser General Public License     
+ * along with this code. If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.      
+ */
+
+using BH.oM.Base;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Security.Cryptography;
+using System.Reflection;
+using BH.Engine.Serialiser;
+using BH.oM.Reflection.Attributes;
+using System.ComponentModel;
+using BH.Engine.Base;
+using System.Collections;
+using System.Data;
+
+namespace BH.Engine.Base
+{
+    public static partial class Query
+    {
+        /***************************************************/
+        /**** Public Methods                            ****/
+        /***************************************************/ 
+
+        [Description("Computes a Hash code for the object which depends solely on its properties. The full method with additional options is in `Compute.Hash()`.")]
+        [Input("obj", "Objects the hash code should be calculated for.")]
+        public static string Hash(
+            this IObject iObj)
+        {
+            return Compute.Hash(iObj);
+        }
+
+        /***************************************************/
+    }
+}
+