Structure_Engine: Adding comparer checking numbers for ICase objects

Structure_Engine/Objects/EqualityComparers/CaseNumberComaprer.cs

@@ -0,0 +1,63 @@
+/*
+ * 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.Structure.Loads;
+using System.Collections.Generic;
+using System;
+
+namespace BH.Engine.Structure
+{
+    public class CaseNumberComaprer : IEqualityComparer<ICase>
+    {
+        /***************************************************/
+        /****           Public Methods                  ****/
+        /***************************************************/
+
+        public bool Equals(ICase case1, ICase case2)
+        {
+            //Check whether the compared objects reference the same data.
+            if (Object.ReferenceEquals(case1, case2))
+                return true;
+
+            //Check whether any of the compared objects is null.
+            if (Object.ReferenceEquals(case1, null) || Object.ReferenceEquals(case2, null))
+                return false;
+
+            return case1.Number == case2.Number;
+        }
+
+        /***************************************************/
+
+        public int GetHashCode(ICase obj)
+        {
+            //Check whether the object is null
+            if (Object.ReferenceEquals(obj, null)) return 0;
+
+            return obj.Number.GetHashCode();
+        }
+
+        /***************************************************/
+
+    }
+}
+

Structure_Engine/Structure_Engine.csproj

@@ -137,6 +137,7 @@
     <Compile Include="Modify\AddReinforcement.cs" />
     <Compile Include="Modify\SetMaterial.cs" />
     <Compile Include="Modify\SetStructuralFragment.cs" />
+    <Compile Include="Objects\EqualityComparers\CaseNumberComaprer.cs" />
     <Compile Include="Objects\EqualityComparers\Constraint4DOFComparer.cs" />
     <Compile Include="Objects\EqualityComparers\Constraint6DOFComparer.cs" />
     <Compile Include="Objects\EqualityComparers\NameOrDescriptionComparer.cs" />