Added Apollo Federation Code-First Example

.build/Build.Sonar.cs

@@ -121,5 +121,7 @@ DotNetBuildSettings SonarBuildAll(DotNetBuildSettings settings) =>
             .SetFramework(Net60);
 
     bool IsRelevantForSonar(string fileName)
-        => !ExcludedCover.Contains(GetFileNameWithoutExtension(fileName));
+        => !ExcludedCover.Contains(GetFileNameWithoutExtension(fileName)) &&
+            !fileName.Contains("example") &&
+            !fileName.Contains("sample");
 }

src/HotChocolate/ApolloFederation/HotChocolate.ApolloFederation.sln

@@ -5,21 +5,33 @@ VisualStudioVersion = 16.0.30114.105
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{74D95657-7BC6-409F-8484-F963A128764A}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ApolloFederation", "src\ApolloFederation\ApolloFederation.csproj", "{46D3566C-FBBC-46BB-A9AB-454F348A003E}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ApolloFederation", "src\ApolloFederation\HotChocolate.ApolloFederation.csproj", "{46D3566C-FBBC-46BB-A9AB-454F348A003E}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "test", "test", "{EA937CAB-A9B1-474E-BF2A-A45399561B2E}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ApolloFederation.Tests", "test\ApolloFederation.Tests\ApolloFederation.Tests.csproj", "{3B96CAE2-A6C0-4BA6-A21B-1CBFE6EF7A16}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ApolloFederation.Tests", "test\ApolloFederation.Tests\HotChocolate.ApolloFederation.Tests.csproj", "{3B96CAE2-A6C0-4BA6-A21B-1CBFE6EF7A16}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "examples", "examples", "{82050CA3-2111-49D6-B682-EA22191ADB99}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Accounts", "examples\Accounts\Accounts.csproj", "{4A81BD31-4B6B-4891-9CBA-7EB2513C9B5D}"
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "AnnotationBased", "AnnotationBased", "{E296D200-558C-4217-95C3-C239C88955D8}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Inventory", "examples\Inventory\Inventory.csproj", "{04BCB1AF-1DC4-482F-9C3C-78FE537B7CCD}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Accounts", "examples\AnnotationBased\Accounts\Accounts.csproj", "{27A5C157-B595-4158-8D58-8E5559A14E39}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Products", "examples\Products\Products.csproj", "{B15DE642-C58C-43AE-932E-A39B0896305A}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Products", "examples\AnnotationBased\Products\Products.csproj", "{7CD8650E-6358-40AB-9376-E0DB36B91C33}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Reviews", "examples\Reviews\Reviews.csproj", "{6B16B4FF-E179-4BA7-8E86-17CECEB6DEE0}"
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Inventory", "examples\AnnotationBased\Inventory\Inventory.csproj", "{919C2EDB-72D7-476E-919F-521BCA6A2C90}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Reviews", "examples\AnnotationBased\Reviews\Reviews.csproj", "{FFE872A7-6686-4820-86F4-C081714CEFD8}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "CodeFirst", "CodeFirst", "{4FC21B51-8DAB-487D-BF66-32E674417EAB}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Accounts", "examples\CodeFirst\Accounts\Accounts.csproj", "{02272634-995C-44CE-B0E6-E9CFCDE21432}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Products", "examples\CodeFirst\Products\Products.csproj", "{4DA1ECA1-5AAF-465D-A2C7-DECA20DC1065}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Inventory", "examples\CodeFirst\Inventory\Inventory.csproj", "{7C107B4E-9BDE-4944-AAF3-EA8110D04F33}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Reviews", "examples\CodeFirst\Reviews\Reviews.csproj", "{D662DB3B-CB78-49A1-B45B-E518746C4DAF}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -38,29 +50,51 @@ Global
 		{3B96CAE2-A6C0-4BA6-A21B-1CBFE6EF7A16}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{3B96CAE2-A6C0-4BA6-A21B-1CBFE6EF7A16}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{3B96CAE2-A6C0-4BA6-A21B-1CBFE6EF7A16}.Release|Any CPU.Build.0 = Release|Any CPU
-		{4A81BD31-4B6B-4891-9CBA-7EB2513C9B5D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{4A81BD31-4B6B-4891-9CBA-7EB2513C9B5D}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{4A81BD31-4B6B-4891-9CBA-7EB2513C9B5D}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{4A81BD31-4B6B-4891-9CBA-7EB2513C9B5D}.Release|Any CPU.Build.0 = Release|Any CPU
-		{04BCB1AF-1DC4-482F-9C3C-78FE537B7CCD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{04BCB1AF-1DC4-482F-9C3C-78FE537B7CCD}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{04BCB1AF-1DC4-482F-9C3C-78FE537B7CCD}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{04BCB1AF-1DC4-482F-9C3C-78FE537B7CCD}.Release|Any CPU.Build.0 = Release|Any CPU
-		{B15DE642-C58C-43AE-932E-A39B0896305A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{B15DE642-C58C-43AE-932E-A39B0896305A}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{B15DE642-C58C-43AE-932E-A39B0896305A}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{B15DE642-C58C-43AE-932E-A39B0896305A}.Release|Any CPU.Build.0 = Release|Any CPU
-		{6B16B4FF-E179-4BA7-8E86-17CECEB6DEE0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
-		{6B16B4FF-E179-4BA7-8E86-17CECEB6DEE0}.Debug|Any CPU.Build.0 = Debug|Any CPU
-		{6B16B4FF-E179-4BA7-8E86-17CECEB6DEE0}.Release|Any CPU.ActiveCfg = Release|Any CPU
-		{6B16B4FF-E179-4BA7-8E86-17CECEB6DEE0}.Release|Any CPU.Build.0 = Release|Any CPU
+		{27A5C157-B595-4158-8D58-8E5559A14E39}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{27A5C157-B595-4158-8D58-8E5559A14E39}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{27A5C157-B595-4158-8D58-8E5559A14E39}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{27A5C157-B595-4158-8D58-8E5559A14E39}.Release|Any CPU.Build.0 = Release|Any CPU
+		{7CD8650E-6358-40AB-9376-E0DB36B91C33}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7CD8650E-6358-40AB-9376-E0DB36B91C33}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7CD8650E-6358-40AB-9376-E0DB36B91C33}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7CD8650E-6358-40AB-9376-E0DB36B91C33}.Release|Any CPU.Build.0 = Release|Any CPU
+		{919C2EDB-72D7-476E-919F-521BCA6A2C90}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{919C2EDB-72D7-476E-919F-521BCA6A2C90}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{919C2EDB-72D7-476E-919F-521BCA6A2C90}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{919C2EDB-72D7-476E-919F-521BCA6A2C90}.Release|Any CPU.Build.0 = Release|Any CPU
+		{FFE872A7-6686-4820-86F4-C081714CEFD8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{FFE872A7-6686-4820-86F4-C081714CEFD8}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{FFE872A7-6686-4820-86F4-C081714CEFD8}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{FFE872A7-6686-4820-86F4-C081714CEFD8}.Release|Any CPU.Build.0 = Release|Any CPU
+		{02272634-995C-44CE-B0E6-E9CFCDE21432}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{02272634-995C-44CE-B0E6-E9CFCDE21432}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{02272634-995C-44CE-B0E6-E9CFCDE21432}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{02272634-995C-44CE-B0E6-E9CFCDE21432}.Release|Any CPU.Build.0 = Release|Any CPU
+		{4DA1ECA1-5AAF-465D-A2C7-DECA20DC1065}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{4DA1ECA1-5AAF-465D-A2C7-DECA20DC1065}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{4DA1ECA1-5AAF-465D-A2C7-DECA20DC1065}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{4DA1ECA1-5AAF-465D-A2C7-DECA20DC1065}.Release|Any CPU.Build.0 = Release|Any CPU
+		{7C107B4E-9BDE-4944-AAF3-EA8110D04F33}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{7C107B4E-9BDE-4944-AAF3-EA8110D04F33}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{7C107B4E-9BDE-4944-AAF3-EA8110D04F33}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{7C107B4E-9BDE-4944-AAF3-EA8110D04F33}.Release|Any CPU.Build.0 = Release|Any CPU
+		{D662DB3B-CB78-49A1-B45B-E518746C4DAF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{D662DB3B-CB78-49A1-B45B-E518746C4DAF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D662DB3B-CB78-49A1-B45B-E518746C4DAF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D662DB3B-CB78-49A1-B45B-E518746C4DAF}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{46D3566C-FBBC-46BB-A9AB-454F348A003E} = {74D95657-7BC6-409F-8484-F963A128764A}
 		{3B96CAE2-A6C0-4BA6-A21B-1CBFE6EF7A16} = {EA937CAB-A9B1-474E-BF2A-A45399561B2E}
-		{4A81BD31-4B6B-4891-9CBA-7EB2513C9B5D} = {82050CA3-2111-49D6-B682-EA22191ADB99}
-		{04BCB1AF-1DC4-482F-9C3C-78FE537B7CCD} = {82050CA3-2111-49D6-B682-EA22191ADB99}
-		{B15DE642-C58C-43AE-932E-A39B0896305A} = {82050CA3-2111-49D6-B682-EA22191ADB99}
-		{6B16B4FF-E179-4BA7-8E86-17CECEB6DEE0} = {82050CA3-2111-49D6-B682-EA22191ADB99}
+		{E296D200-558C-4217-95C3-C239C88955D8} = {82050CA3-2111-49D6-B682-EA22191ADB99}
+		{27A5C157-B595-4158-8D58-8E5559A14E39} = {E296D200-558C-4217-95C3-C239C88955D8}
+		{7CD8650E-6358-40AB-9376-E0DB36B91C33} = {E296D200-558C-4217-95C3-C239C88955D8}
+		{919C2EDB-72D7-476E-919F-521BCA6A2C90} = {E296D200-558C-4217-95C3-C239C88955D8}
+		{FFE872A7-6686-4820-86F4-C081714CEFD8} = {E296D200-558C-4217-95C3-C239C88955D8}
+		{4FC21B51-8DAB-487D-BF66-32E674417EAB} = {82050CA3-2111-49D6-B682-EA22191ADB99}
+		{02272634-995C-44CE-B0E6-E9CFCDE21432} = {4FC21B51-8DAB-487D-BF66-32E674417EAB}
+		{4DA1ECA1-5AAF-465D-A2C7-DECA20DC1065} = {4FC21B51-8DAB-487D-BF66-32E674417EAB}
+		{7C107B4E-9BDE-4944-AAF3-EA8110D04F33} = {4FC21B51-8DAB-487D-BF66-32E674417EAB}
+		{D662DB3B-CB78-49A1-B45B-E518746C4DAF} = {4FC21B51-8DAB-487D-BF66-32E674417EAB}
 	EndGlobalSection
 EndGlobal

src/HotChocolate/ApolloFederation/examples/Accounts/Accounts.csproj → src/HotChocolate/ApolloFederation/examples/AnnotationBased/Accounts/Accounts.csproj

@@ -11,9 +11,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\..\..\AspNetCore\src\AspNetCore\HotChocolate.AspNetCore.csproj" />
-    <ProjectReference Include="..\..\..\Core\src\Core\HotChocolate.Core.csproj" />
-    <ProjectReference Include="..\..\src\ApolloFederation\ApolloFederation.csproj" />
+    <ProjectReference Include="..\..\..\..\AspNetCore\src\AspNetCore\HotChocolate.AspNetCore.csproj" />
+    <ProjectReference Include="..\..\..\..\Core\src\Core\HotChocolate.Core.csproj" />
+    <ProjectReference Include="..\..\..\src\ApolloFederation\HotChocolate.ApolloFederation.csproj" />
   </ItemGroup>
 
 </Project>

src/HotChocolate/ApolloFederation/examples/Accounts/Program.cs → src/HotChocolate/ApolloFederation/examples/AnnotationBased/Accounts/Program.cs

@@ -1,16 +1,14 @@
-var builder = WebApplication.CreateBuilder(args);
-
-builder.Services
-    .AddSingleton<UserRepository>();
-
-builder.Services
-    .AddGraphQLServer()
-    .AddApolloFederation()
-    .AddQueryType<Query>()
-    .RegisterService<UserRepository>();
-
-var app = builder.Build();
-
-app.MapGraphQL();
-
-app.Run();
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services
+    .AddSingleton<UserRepository>();
+
+builder.Services
+    .AddGraphQLServer()
+    .AddApolloFederation()
+    .AddQueryType<Query>()
+    .RegisterService<UserRepository>();
+
+var app = builder.Build();
+app.MapGraphQL();
+app.Run();

src/HotChocolate/ApolloFederation/examples/Inventory/Inventory.csproj → src/HotChocolate/ApolloFederation/examples/AnnotationBased/Inventory/Inventory.csproj

@@ -11,9 +11,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\..\..\AspNetCore\src\AspNetCore\HotChocolate.AspNetCore.csproj" />
-    <ProjectReference Include="..\..\..\Core\src\Core\HotChocolate.Core.csproj" />
-    <ProjectReference Include="..\..\src\ApolloFederation\ApolloFederation.csproj" />
+    <ProjectReference Include="..\..\..\..\AspNetCore\src\AspNetCore\HotChocolate.AspNetCore.csproj" />
+    <ProjectReference Include="..\..\..\..\Core\src\Core\HotChocolate.Core.csproj" />
+    <ProjectReference Include="..\..\..\src\ApolloFederation\HotChocolate.ApolloFederation.csproj" />
   </ItemGroup>
 
 </Project>

src/HotChocolate/ApolloFederation/examples/Inventory/Program.cs → src/HotChocolate/ApolloFederation/examples/AnnotationBased/Inventory/Program.cs

@@ -1,13 +1,11 @@
-var builder = WebApplication.CreateBuilder(args);
-
-builder.Services
-    .AddGraphQLServer()
-    .AddApolloFederation()
-    .AddQueryType()
-    .AddType<Product>();
-
-var app = builder.Build();
-
-app.MapGraphQL();
-
-app.Run();
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services
+    .AddGraphQLServer()
+    .AddApolloFederation()
+    .AddQueryType()
+    .AddType<Product>();
+
+var app = builder.Build();
+app.MapGraphQL();
+app.Run();

src/HotChocolate/ApolloFederation/examples/AnnotationBased/Products/Product.cs

@@ -0,0 +1,29 @@
+using HotChocolate.ApolloFederation;
+
+namespace Products;
+
+public class Product
+{
+    public Product(string upc, string name, int price, int weight)
+    {
+        Upc = upc;
+        Name = name;
+        Price = price;
+        Weight = weight;
+    }
+
+    [Key]
+    public string Upc { get; }
+
+    public string Name { get; }
+
+    public int Price { get; }
+
+    public int Weight { get; }
+
+    [ReferenceResolver]
+    public static Product GetByIdAsync(
+        string upc,
+        ProductRepository productRepository)
+        => productRepository.GetById(upc);
+}

src/HotChocolate/ApolloFederation/examples/AnnotationBased/Products/ProductRepository.cs

@@ -0,0 +1,24 @@
+namespace Products;
+
+public class ProductRepository
+{
+    private readonly Dictionary<string, Product> _products;
+
+    public ProductRepository()
+    {
+        _products = CreateProducts().ToDictionary(product => product.Upc);
+    }
+
+    public IEnumerable<Product> GetTop(int amount)
+        => _products.Values.Take(amount);
+
+    public Product GetById(string upc)
+        => _products[upc];
+
+    private static IEnumerable<Product> CreateProducts()
+    {
+        yield return new Product("1", "Table", 899, 100);
+        yield return new Product("2", "Couch", 1299, 1000);
+        yield return new Product("3", "Chair", 54, 50);
+    }
+}

src/HotChocolate/ApolloFederation/examples/Products/Products.csproj → src/HotChocolate/ApolloFederation/examples/AnnotationBased/Products/Products.csproj

@@ -11,9 +11,9 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\..\..\AspNetCore\src\AspNetCore\HotChocolate.AspNetCore.csproj" />
-    <ProjectReference Include="..\..\..\Core\src\Core\HotChocolate.Core.csproj" />
-    <ProjectReference Include="..\..\src\ApolloFederation\ApolloFederation.csproj" />
+    <ProjectReference Include="..\..\..\..\AspNetCore\src\AspNetCore\HotChocolate.AspNetCore.csproj" />
+    <ProjectReference Include="..\..\..\..\Core\src\Core\HotChocolate.Core.csproj" />
+    <ProjectReference Include="..\..\..\src\ApolloFederation\HotChocolate.ApolloFederation.csproj" />
   </ItemGroup>
 
 </Project>

src/HotChocolate/ApolloFederation/examples/Products/Program.cs → src/HotChocolate/ApolloFederation/examples/AnnotationBased/Products/Program.cs

@@ -1,16 +1,14 @@
-var builder = WebApplication.CreateBuilder(args);
-
-builder.Services
-    .AddSingleton<ProductRepository>();
-
-builder.Services
-    .AddGraphQLServer()
-    .AddApolloFederation()
-    .AddQueryType<Query>()
-    .RegisterService<ProductRepository>();
-
-var app = builder.Build();
-
-app.MapGraphQL();
-
-app.Run();
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services
+    .AddSingleton<ProductRepository>();
+
+builder.Services
+    .AddGraphQLServer()
+    .AddApolloFederation()
+    .AddQueryType<Query>()
+    .RegisterService<ProductRepository>();
+
+var app = builder.Build();
+app.MapGraphQL();
+app.Run();

src/HotChocolate/ApolloFederation/examples/AnnotationBased/Reviews/Program.cs

@@ -0,0 +1,16 @@
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddSingleton<ReviewRepository>();
+builder.Services.AddSingleton<UserRepository>();
+
+builder.Services
+    .AddGraphQLServer()
+    .AddApolloFederation()
+    .AddQueryType()
+    .AddType<Review>()
+    .RegisterService<ReviewRepository>()
+    .RegisterService<UserRepository>();
+
+var app = builder.Build();
+app.MapGraphQL();
+app.Run();

src/HotChocolate/ApolloFederation/examples/Reviews/Reviews.csproj → src/HotChocolate/ApolloFederation/examples/AnnotationBased/Reviews/Reviews.csproj

@@ -11,8 +11,8 @@
   </ItemGroup>
 
   <ItemGroup>
-    <ProjectReference Include="..\..\..\AspNetCore\src\AspNetCore\HotChocolate.AspNetCore.csproj" />
-    <ProjectReference Include="..\..\..\Core\src\Core\HotChocolate.Core.csproj" />
-    <ProjectReference Include="..\..\src\ApolloFederation\ApolloFederation.csproj" />
+    <ProjectReference Include="..\..\..\..\AspNetCore\src\AspNetCore\HotChocolate.AspNetCore.csproj" />
+    <ProjectReference Include="..\..\..\..\Core\src\Core\HotChocolate.Core.csproj" />
+    <ProjectReference Include="..\..\..\src\ApolloFederation\HotChocolate.ApolloFederation.csproj" />
   </ItemGroup>
 </Project>

src/HotChocolate/ApolloFederation/examples/CodeFirst/Accounts/.vscode/tasks.json

@@ -0,0 +1,24 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build",
+            "command": "dotnet",
+            "type": "shell",
+            "args": [
+                "build",
+                // Ask dotnet build to generate full paths for file names.
+                "/property:GenerateFullPaths=true",
+                // Do not generate summary otherwise it leads to duplicate errors in Problems panel
+                "/consoleloggerparameters:NoSummary"
+            ],
+            "group": "build",
+            "presentation": {
+                "reveal": "silent"
+            },
+            "problemMatcher": "$msCompile"
+        }
+    ]
+}

src/HotChocolate/ApolloFederation/examples/CodeFirst/Accounts/Accounts.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup Condition="'$(ImplicitUsings)' == 'enable'">
+    <Using Include="Accounts" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\..\..\AspNetCore\src\AspNetCore\HotChocolate.AspNetCore.csproj" />
+    <ProjectReference Include="..\..\..\..\Core\src\Core\HotChocolate.Core.csproj" />
+    <ProjectReference Include="..\..\..\src\ApolloFederation\HotChocolate.ApolloFederation.csproj" />
+  </ItemGroup>
+
+</Project>

src/HotChocolate/ApolloFederation/examples/CodeFirst/Accounts/Data/User.cs

@@ -0,0 +1,17 @@
+namespace Accounts;
+
+public class User
+{
+    public User(string id, string name, string username)
+    {
+        Id = id;
+        Name = name;
+        Username = username;
+    }
+
+    public string Id { get; }
+
+    public string Name { get; }
+
+    public string Username { get; }
+}