fix: ensure types are instantiable

net-daemon · Sep 13, 2020 · cb1af58 · cb1af58
1 parent 974d808
commit cb1af58
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/src/DaemonRunner/DaemonRunner/Infrastructure/Extensions/AssemblyExtensions.cs b/src/DaemonRunner/DaemonRunner/Infrastructure/Extensions/AssemblyExtensions.cs
@@ -5,11 +5,15 @@
 
 namespace NetDaemon.Infrastructure.Extensions
 {
-    public static class AssemblyExtensions
+    internal static class AssemblyExtensions
     {
         public static IEnumerable<Type> GetTypesWhereSubclassOf<T>(this Assembly assembly)
         {
-            return assembly.GetTypes().Where(x => x.IsClass && x.IsSubclassOf(typeof(T)));
+            return assembly.GetTypes()
+                .Where(type => type.IsClass)
+                .Where(type => !type.IsGenericType)
+                .Where(type => !type.IsAbstract)
+                .Where(type => type.IsSubclassOf(typeof(T)));
         }
     }
 }