update to NSB 10

Author: SimonCropp

src/Directory.Build.props

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project>
   <PropertyGroup>
-    <Version>3.1.0</Version>
+    <Version>4.0.0</Version>
     <AssemblyVersion>1.0.0</AssemblyVersion>
     <LangVersion>preview</LangVersion>
     <PackageTags>NServiceBus, Handler Ordering</PackageTags>

src/HandlerOrdering/NServiceBus.Community.HandlerOrdering.csproj

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net9.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <RootNamespace>NServiceBus.HandlerOrdering</RootNamespace>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="NServiceBus" Version="9.2.7" />
+    <PackageReference Include="NServiceBus" Version="10.0.0" />
     <PackageReference Include="ProjectDefaults" Version="1.0.170" PrivateAssets="all" />
   </ItemGroup>
 </Project>

src/HandlerOrdering/OrderHandlers.cs

@@ -13,7 +13,18 @@ static void ApplyInterfaceHandlerOrdering(EndpointConfiguration configuration)
     {
         var handlerDependencies = GetHandlerDependencies(configuration);
         var sorted = new TypeSorter(handlerDependencies).Sorted;
-        configuration.ExecuteTheseHandlersFirst(sorted);
+
+        var addHandlerMethod = typeof(EndpointConfiguration).GetMethod("AddHandler", BindingFlags.Instance | BindingFlags.Public);
+        if (addHandlerMethod == null)
+        {
+            throw new($"Could not find 'AddHandler' method on {nameof(EndpointConfiguration)}. Raise an issue here https://github.com/NServiceBusExtensions/NServiceBus.HandlerOrdering/issues/new");
+        }
+
+        foreach (var handlerType in sorted)
+        {
+            var genericMethod = addHandlerMethod.MakeGenericMethod(handlerType);
+            genericMethod.Invoke(configuration, null);
+        }
     }
 
     static Dictionary<Type, List<Type>> GetHandlerDependencies(EndpointConfiguration configuration)

src/Sample/Sample.csproj

@@ -5,7 +5,7 @@
     <LangVersion>7.1</LangVersion>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="NServiceBus" Version="9.2.7" />
+    <PackageReference Include="NServiceBus" Version="10.0.0" />
     <ProjectReference Include="..\HandlerOrdering\NServiceBus.Community.HandlerOrdering.csproj" />
   </ItemGroup>
 </Project>