fix(codegen): initialize compatibility activations

Chain parameterless pooled-invokable construction through the pool-aware constructor so custom initializer methods run for reflection and legacy activation paths.

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: ReubenBond

src/Orleans.CodeGenerator/InvokableGenerator.cs

@@ -29,6 +29,15 @@ public GeneratedInvokableDescription Generate(InvokableMethodDescription invokab
         var compatibilityCtor = fieldDescriptions.OfType<PoolFieldDescription>().Any()
                 ? ConstructorDeclaration(generatedClassName)
                     .AddModifiers(Token(SyntaxKind.PublicKeyword))
+                    .WithInitializer(
+                        ConstructorInitializer(
+                            SyntaxKind.ThisConstructorInitializer,
+                            ArgumentList(
+                                SingletonSeparatedList(
+                                    Argument(
+                                        PostfixUnaryExpression(
+                                            SyntaxKind.SuppressNullableWarningExpression,
+                                            LiteralExpression(SyntaxKind.NullLiteralExpression)))))))
                     .WithBody(Block())
                 : null;
         var accessibility = GetAccessibility(method);

test/Orleans.CodeGenerator.Tests/snapshots/OrleansSourceGeneratorTests.TestBasicGrain.verified.cs

@@ -18,7 +18,7 @@ public sealed class Invokable_IBasicGrain_GrainReference_6B0E24A1 : global::Orle
         global::TestProject.IBasicGrain _target;
         private static readonly global::System.Reflection.MethodInfo MethodBackingField = OrleansGeneratedCodeHelper.GetMethodInfoOrDefault(typeof(global::TestProject.IBasicGrain), "SayHello", null, new[] { typeof(string) });
         private readonly global::Orleans.Serialization.Invocation.InvokablePool<Invokable_IBasicGrain_GrainReference_6B0E24A1> _pool;
-        public Invokable_IBasicGrain_GrainReference_6B0E24A1()
+        public Invokable_IBasicGrain_GrainReference_6B0E24A1() : this(null !)
         {
         }
 

test/Orleans.CodeGenerator.Tests/snapshots/OrleansSourceGeneratorTests.TestClassWithGenerateMethodSerializersAnnotation.verified.cs

@@ -18,7 +18,7 @@ public sealed class Invokable_IMyGrain_GrainReference_6D39E404 : global::Orleans
         global::IMyGrain _target;
         private static readonly global::System.Reflection.MethodInfo MethodBackingField = OrleansGeneratedCodeHelper.GetMethodInfoOrDefault(typeof(global::IMyGrain), "SayHello", null, new[] { typeof(string) });
         private readonly global::Orleans.Serialization.Invocation.InvokablePool<Invokable_IMyGrain_GrainReference_6D39E404> _pool;
-        public Invokable_IMyGrain_GrainReference_6D39E404()
+        public Invokable_IMyGrain_GrainReference_6D39E404() : this(null !)
         {
         }
 

test/Orleans.CodeGenerator.Tests/snapshots/OrleansSourceGeneratorTests.TestGrainComplexGrain.verified.cs

@@ -22,7 +22,7 @@ public sealed class Invokable_IComplexGrain_GrainReference_67FE5808 : global::Or
         private static readonly global::System.Reflection.MethodInfo MethodBackingField = OrleansGeneratedCodeHelper.GetMethodInfoOrDefault(typeof(global::TestProject.IComplexGrain), "ProcessData", null, new[] { typeof(int), typeof(string), typeof(global::TestProject.ComplexData), typeof(global::System.Threading.CancellationToken) });
         global::System.Threading.CancellationTokenSource _cts;
         private readonly global::Orleans.Serialization.Invocation.InvokablePool<Invokable_IComplexGrain_GrainReference_67FE5808> _pool;
-        public Invokable_IComplexGrain_GrainReference_67FE5808()
+        public Invokable_IComplexGrain_GrainReference_67FE5808() : this(null !)
         {
         }
 

test/Orleans.CodeGenerator.Tests/snapshots/OrleansSourceGeneratorTests.TestGrainMethodAnnotatedWithInvokableBaseType.verified.cs

@@ -18,7 +18,7 @@ public sealed class Invokable_IHelloGrain_GrainReference_5336307F : global::Orle
         global::TestProject.IHelloGrain _target;
         private static readonly global::System.Reflection.MethodInfo MethodBackingField = OrleansGeneratedCodeHelper.GetMethodInfoOrDefault(typeof(global::TestProject.IHelloGrain), "SayHello", null, new[] { typeof(string) });
         private readonly global::Orleans.Serialization.Invocation.InvokablePool<Invokable_IHelloGrain_GrainReference_5336307F> _pool;
-        public Invokable_IHelloGrain_GrainReference_5336307F()
+        public Invokable_IHelloGrain_GrainReference_5336307F() : this(null !)
         {
         }
 

test/Orleans.CodeGenerator.Tests/snapshots/OrleansSourceGeneratorTests.TestGrainMethodAnnotatedWithResponseTimeout.verified.cs

@@ -18,7 +18,7 @@ public sealed class Invokable_IResponseTimeoutGrain_GrainReference_6BE752C8 : gl
         global::TestProject.IResponseTimeoutGrain _target;
         private static readonly global::System.Reflection.MethodInfo MethodBackingField = OrleansGeneratedCodeHelper.GetMethodInfoOrDefault(typeof(global::TestProject.IResponseTimeoutGrain), "LongRunningMethod", null, new[] { typeof(string) });
         private readonly global::Orleans.Serialization.Invocation.InvokablePool<Invokable_IResponseTimeoutGrain_GrainReference_6BE752C8> _pool;
-        public Invokable_IResponseTimeoutGrain_GrainReference_6BE752C8()
+        public Invokable_IResponseTimeoutGrain_GrainReference_6BE752C8() : this(null !)
         {
         }
 

test/Orleans.CodeGenerator.Tests/snapshots/OrleansSourceGeneratorTests.TestGrainWithDifferentKeyTypes.verified.cs

@@ -17,7 +17,7 @@ public sealed class Invokable_IMyGrainWithGuidKey_GrainReference_8F0FEC0E : glob
         global::TestProject.IMyGrainWithGuidKey _target;
         private static readonly global::System.Reflection.MethodInfo MethodBackingField = OrleansGeneratedCodeHelper.GetMethodInfoOrDefault(typeof(global::TestProject.IMyGrainWithGuidKey), "GetGuidValue", null, null);
         private readonly global::Orleans.Serialization.Invocation.InvokablePool<Invokable_IMyGrainWithGuidKey_GrainReference_8F0FEC0E> _pool;
-        public Invokable_IMyGrainWithGuidKey_GrainReference_8F0FEC0E()
+        public Invokable_IMyGrainWithGuidKey_GrainReference_8F0FEC0E() : this(null !)
         {
         }
 
@@ -64,7 +64,7 @@ public sealed class Invokable_IMyGrainWithStringKey_GrainReference_43570316 : gl
         global::TestProject.IMyGrainWithStringKey _target;
         private static readonly global::System.Reflection.MethodInfo MethodBackingField = OrleansGeneratedCodeHelper.GetMethodInfoOrDefault(typeof(global::TestProject.IMyGrainWithStringKey), "GetStringKey", null, null);
         private readonly global::Orleans.Serialization.Invocation.InvokablePool<Invokable_IMyGrainWithStringKey_GrainReference_43570316> _pool;
-        public Invokable_IMyGrainWithStringKey_GrainReference_43570316()
+        public Invokable_IMyGrainWithStringKey_GrainReference_43570316() : this(null !)
         {
         }
 
@@ -111,7 +111,7 @@ public sealed class Invokable_IMyGrainWithGuidCompoundKey_GrainReference_A9FEF7A
         global::TestProject.IMyGrainWithGuidCompoundKey _target;
         private static readonly global::System.Reflection.MethodInfo MethodBackingField = OrleansGeneratedCodeHelper.GetMethodInfoOrDefault(typeof(global::TestProject.IMyGrainWithGuidCompoundKey), "GetGuidAndStringKey", null, null);
         private readonly global::Orleans.Serialization.Invocation.InvokablePool<Invokable_IMyGrainWithGuidCompoundKey_GrainReference_A9FEF7AF> _pool;
-        public Invokable_IMyGrainWithGuidCompoundKey_GrainReference_A9FEF7AF()
+        public Invokable_IMyGrainWithGuidCompoundKey_GrainReference_A9FEF7AF() : this(null !)
         {
         }
 
@@ -158,7 +158,7 @@ public sealed class Invokable_IMyGrainWithIntegerCompoundKey_GrainReference_9814
         global::TestProject.IMyGrainWithIntegerCompoundKey _target;
         private static readonly global::System.Reflection.MethodInfo MethodBackingField = OrleansGeneratedCodeHelper.GetMethodInfoOrDefault(typeof(global::TestProject.IMyGrainWithIntegerCompoundKey), "GetIntegerAndStringKey", null, null);
         private readonly global::Orleans.Serialization.Invocation.InvokablePool<Invokable_IMyGrainWithIntegerCompoundKey_GrainReference_9814021A> _pool;
-        public Invokable_IMyGrainWithIntegerCompoundKey_GrainReference_9814021A()
+        public Invokable_IMyGrainWithIntegerCompoundKey_GrainReference_9814021A() : this(null !)
         {
         }
 

test/Orleans.CodeGenerator.Tests/snapshots/OrleansSourceGeneratorTests.TestGrainWithMultipleInterfaces.verified.cs

@@ -18,7 +18,7 @@ public sealed class Invokable_IGrainA_GrainReference_11405B98 : global::Orleans.
         global::TestProject.IGrainA _target;
         private static readonly global::System.Reflection.MethodInfo MethodBackingField = OrleansGeneratedCodeHelper.GetMethodInfoOrDefault(typeof(global::TestProject.IGrainA), "MethodA", null, new[] { typeof(string) });
         private readonly global::Orleans.Serialization.Invocation.InvokablePool<Invokable_IGrainA_GrainReference_11405B98> _pool;
-        public Invokable_IGrainA_GrainReference_11405B98()
+        public Invokable_IGrainA_GrainReference_11405B98() : this(null !)
         {
         }
 
@@ -93,7 +93,7 @@ public sealed class Invokable_IGrainB_GrainReference_6B5D7809 : global::Orleans.
         global::TestProject.IGrainB _target;
         private static readonly global::System.Reflection.MethodInfo MethodBackingField = OrleansGeneratedCodeHelper.GetMethodInfoOrDefault(typeof(global::TestProject.IGrainB), "MethodB", null, new[] { typeof(string) });
         private readonly global::Orleans.Serialization.Invocation.InvokablePool<Invokable_IGrainB_GrainReference_6B5D7809> _pool;
-        public Invokable_IGrainB_GrainReference_6B5D7809()
+        public Invokable_IGrainB_GrainReference_6B5D7809() : this(null !)
         {
         }