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Remove the EventBus building block and replaced it with CAP

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Savorboard 2019-03-14 14:48:34 +08:00
parent 2f68e5787c
commit 0ace494964
34 changed files with 2 additions and 1734 deletions
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211
eShopOnContainers-ServicesAndWebApps.sln
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@ -48,14 +48,6 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WebSPA", "src\Web\WebSPA\We
EndProject EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "BuildingBlocks", "BuildingBlocks", "{DB0EFB20-B024-4E5E-A75C-52143C131D25}" Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "BuildingBlocks", "BuildingBlocks", "{DB0EFB20-B024-4E5E-A75C-52143C131D25}"
EndProject EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "EventBus", "EventBus", "{807BB76E-B2BB-47A2-A57B-3D1B20FF5E7F}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EventBus", "src\BuildingBlocks\EventBus\EventBus\EventBus.csproj", "{0044B293-1DCC-4224-B948-00CF6DC7F510}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EventBusRabbitMQ", "src\BuildingBlocks\EventBus\EventBusRabbitMQ\EventBusRabbitMQ.csproj", "{8088F3FC-6787-45FA-A924-816EC81CBFAC}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "IntegrationEventLogEF", "src\BuildingBlocks\EventBus\IntegrationEventLogEF\IntegrationEventLogEF.csproj", "{9EE28E45-1533-472B-8267-56C48855BA0E}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WebStatus", "src\Web\WebStatus\WebStatus.csproj", "{C0A7918D-B4F2-4E7F-8DE2-1E5279EF079F}" Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WebStatus", "src\Web\WebStatus\WebStatus.csproj", "{C0A7918D-B4F2-4E7F-8DE2-1E5279EF079F}"
EndProject EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Location", "Location", "{41139F64-4046-4F16-96B7-D941D96FA9C6}" Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Location", "Location", "{41139F64-4046-4F16-96B7-D941D96FA9C6}"
@ -66,8 +58,6 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Marketing", "Marketing", "{
EndProject EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Marketing.API", "src\Services\Marketing\Marketing.API\Marketing.API.csproj", "{DF395F85-B010-465D-857A-7EBCC512C0C2}" Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Marketing.API", "src\Services\Marketing\Marketing.API\Marketing.API.csproj", "{DF395F85-B010-465D-857A-7EBCC512C0C2}"
EndProject EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "EventBusServiceBus", "src\BuildingBlocks\EventBus\EventBusServiceBus\EventBusServiceBus.csproj", "{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}"
EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "WebHost", "WebHost", "{1815B651-941C-466B-AE33-D1D7EEB8F77F}" Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "WebHost", "WebHost", "{1815B651-941C-466B-AE33-D1D7EEB8F77F}"
EndProject EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WebHost.Customization", "src\BuildingBlocks\WebHostCustomization\WebHost.Customization\WebHost.Customization.csproj", "{15F4B3AA-89B6-4A0D-9051-414305974781}" Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WebHost.Customization", "src\BuildingBlocks\WebHostCustomization\WebHost.Customization\WebHost.Customization.csproj", "{15F4B3AA-89B6-4A0D-9051-414305974781}"
@ -142,9 +132,9 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Payment.API", "src\Services
EndProject EndProject
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Webhooks", "Webhooks", "{E0AA11C4-2873-461D-8F82-53392530FB7A}" Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Webhooks", "Webhooks", "{E0AA11C4-2873-461D-8F82-53392530FB7A}"
EndProject EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Webhooks.API", "src\Services\Webhooks\Webhooks.API\Webhooks.API.csproj", "{84E2016E-0435-44C6-8020-3D288AA38B2C}" Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Webhooks.API", "src\Services\Webhooks\Webhooks.API\Webhooks.API.csproj", "{84E2016E-0435-44C6-8020-3D288AA38B2C}"
EndProject EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WebhookClient", "src\Web\WebhookClient\WebhookClient.csproj", "{766D7E92-6AF0-476C-ADD5-282BF4D8C576}" Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "WebhookClient", "src\Web\WebhookClient\WebhookClient.csproj", "{766D7E92-6AF0-476C-ADD5-282BF4D8C576}"
EndProject EndProject
Global Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution GlobalSection(SolutionConfigurationPlatforms) = preSolution
@ -496,150 +486,6 @@ Global
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{9EE28E45-1533-472B-8267-56C48855BA0E}.Release|x86.Build.0 = Release|Any CPU
{C0A7918D-B4F2-4E7F-8DE2-1E5279EF079F}.Ad-Hoc|Any CPU.ActiveCfg = Debug|Any CPU {C0A7918D-B4F2-4E7F-8DE2-1E5279EF079F}.Ad-Hoc|Any CPU.ActiveCfg = Debug|Any CPU
{C0A7918D-B4F2-4E7F-8DE2-1E5279EF079F}.Ad-Hoc|Any CPU.Build.0 = Debug|Any CPU {C0A7918D-B4F2-4E7F-8DE2-1E5279EF079F}.Ad-Hoc|Any CPU.Build.0 = Debug|Any CPU
{C0A7918D-B4F2-4E7F-8DE2-1E5279EF079F}.Ad-Hoc|ARM.ActiveCfg = Debug|Any CPU {C0A7918D-B4F2-4E7F-8DE2-1E5279EF079F}.Ad-Hoc|ARM.ActiveCfg = Debug|Any CPU
@ -784,54 +630,6 @@ Global
{DF395F85-B010-465D-857A-7EBCC512C0C2}.Release|x64.Build.0 = Release|Any CPU {DF395F85-B010-465D-857A-7EBCC512C0C2}.Release|x64.Build.0 = Release|Any CPU
{DF395F85-B010-465D-857A-7EBCC512C0C2}.Release|x86.ActiveCfg = Release|Any CPU {DF395F85-B010-465D-857A-7EBCC512C0C2}.Release|x86.ActiveCfg = Release|Any CPU
{DF395F85-B010-465D-857A-7EBCC512C0C2}.Release|x86.Build.0 = Release|Any CPU {DF395F85-B010-465D-857A-7EBCC512C0C2}.Release|x86.Build.0 = Release|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Ad-Hoc|Any CPU.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Ad-Hoc|Any CPU.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Ad-Hoc|ARM.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Ad-Hoc|ARM.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Ad-Hoc|iPhone.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Ad-Hoc|iPhone.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Ad-Hoc|iPhoneSimulator.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Ad-Hoc|iPhoneSimulator.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Ad-Hoc|x64.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Ad-Hoc|x64.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Ad-Hoc|x86.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Ad-Hoc|x86.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.AppStore|Any CPU.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.AppStore|Any CPU.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.AppStore|ARM.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.AppStore|ARM.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.AppStore|iPhone.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.AppStore|iPhone.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.AppStore|iPhoneSimulator.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.AppStore|iPhoneSimulator.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.AppStore|x64.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.AppStore|x64.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.AppStore|x86.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.AppStore|x86.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Debug|Any CPU.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Debug|ARM.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Debug|ARM.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Debug|iPhone.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Debug|iPhone.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Debug|iPhoneSimulator.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Debug|x64.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Debug|x64.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Debug|x86.ActiveCfg = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Debug|x86.Build.0 = Debug|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Release|Any CPU.ActiveCfg = Release|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Release|Any CPU.Build.0 = Release|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Release|ARM.ActiveCfg = Release|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Release|ARM.Build.0 = Release|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Release|iPhone.ActiveCfg = Release|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Release|iPhone.Build.0 = Release|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Release|iPhoneSimulator.ActiveCfg = Release|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Release|iPhoneSimulator.Build.0 = Release|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Release|x64.ActiveCfg = Release|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Release|x64.Build.0 = Release|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Release|x86.ActiveCfg = Release|Any CPU
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Release|x86.Build.0 = Release|Any CPU
{15F4B3AA-89B6-4A0D-9051-414305974781}.Ad-Hoc|Any CPU.ActiveCfg = Debug|Any CPU {15F4B3AA-89B6-4A0D-9051-414305974781}.Ad-Hoc|Any CPU.ActiveCfg = Debug|Any CPU
{15F4B3AA-89B6-4A0D-9051-414305974781}.Ad-Hoc|Any CPU.Build.0 = Debug|Any CPU {15F4B3AA-89B6-4A0D-9051-414305974781}.Ad-Hoc|Any CPU.Build.0 = Debug|Any CPU
{15F4B3AA-89B6-4A0D-9051-414305974781}.Ad-Hoc|ARM.ActiveCfg = Debug|Any CPU {15F4B3AA-89B6-4A0D-9051-414305974781}.Ad-Hoc|ARM.ActiveCfg = Debug|Any CPU
@ -1765,16 +1563,11 @@ Global
{A579E108-5445-403D-A407-339AC4D1611B} = {24CD3B53-141E-4A07-9B0D-796641E1CF78} {A579E108-5445-403D-A407-339AC4D1611B} = {24CD3B53-141E-4A07-9B0D-796641E1CF78}
{F16E3C6A-1C94-4EAB-BE91-099618060B68} = {E279BF0F-7F66-4F3A-A3AB-2CDA66C1CD04} {F16E3C6A-1C94-4EAB-BE91-099618060B68} = {E279BF0F-7F66-4F3A-A3AB-2CDA66C1CD04}
{DB0EFB20-B024-4E5E-A75C-52143C131D25} = {932D8224-11F6-4D07-B109-DA28AD288A63} {DB0EFB20-B024-4E5E-A75C-52143C131D25} = {932D8224-11F6-4D07-B109-DA28AD288A63}
{807BB76E-B2BB-47A2-A57B-3D1B20FF5E7F} = {DB0EFB20-B024-4E5E-A75C-52143C131D25}
{0044B293-1DCC-4224-B948-00CF6DC7F510} = {807BB76E-B2BB-47A2-A57B-3D1B20FF5E7F}
{8088F3FC-6787-45FA-A924-816EC81CBFAC} = {807BB76E-B2BB-47A2-A57B-3D1B20FF5E7F}
{9EE28E45-1533-472B-8267-56C48855BA0E} = {807BB76E-B2BB-47A2-A57B-3D1B20FF5E7F}
{C0A7918D-B4F2-4E7F-8DE2-1E5279EF079F} = {E279BF0F-7F66-4F3A-A3AB-2CDA66C1CD04} {C0A7918D-B4F2-4E7F-8DE2-1E5279EF079F} = {E279BF0F-7F66-4F3A-A3AB-2CDA66C1CD04}
{41139F64-4046-4F16-96B7-D941D96FA9C6} = {91CF7717-08AB-4E65-B10E-0B426F01E2E8} {41139F64-4046-4F16-96B7-D941D96FA9C6} = {91CF7717-08AB-4E65-B10E-0B426F01E2E8}
{E7581357-FC34-474C-B8F5-307EE3CE05EF} = {41139F64-4046-4F16-96B7-D941D96FA9C6} {E7581357-FC34-474C-B8F5-307EE3CE05EF} = {41139F64-4046-4F16-96B7-D941D96FA9C6}
{A5260DE0-1FDD-467E-9CC1-A028AB081CEE} = {91CF7717-08AB-4E65-B10E-0B426F01E2E8} {A5260DE0-1FDD-467E-9CC1-A028AB081CEE} = {91CF7717-08AB-4E65-B10E-0B426F01E2E8}
{DF395F85-B010-465D-857A-7EBCC512C0C2} = {A5260DE0-1FDD-467E-9CC1-A028AB081CEE} {DF395F85-B010-465D-857A-7EBCC512C0C2} = {A5260DE0-1FDD-467E-9CC1-A028AB081CEE}
{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8} = {807BB76E-B2BB-47A2-A57B-3D1B20FF5E7F}
{1815B651-941C-466B-AE33-D1D7EEB8F77F} = {DB0EFB20-B024-4E5E-A75C-52143C131D25} {1815B651-941C-466B-AE33-D1D7EEB8F77F} = {DB0EFB20-B024-4E5E-A75C-52143C131D25}
{15F4B3AA-89B6-4A0D-9051-414305974781} = {1815B651-941C-466B-AE33-D1D7EEB8F77F} {15F4B3AA-89B6-4A0D-9051-414305974781} = {1815B651-941C-466B-AE33-D1D7EEB8F77F}
{77849D35-37D4-4802-81DC-9477B2775A40} = {932D8224-11F6-4D07-B109-DA28AD288A63} {77849D35-37D4-4802-81DC-9477B2775A40} = {932D8224-11F6-4D07-B109-DA28AD288A63}

8
src/BuildingBlocks/EventBus/CommandBus/CommandBus.csproj
View File

@ -1,8 +0,0 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netstandard1.0</TargetFramework>
<RootNamespace>Microsoft.eShopOnContainers.BuildingBlocks.CommandBus</RootNamespace>
</PropertyGroup>
</Project>

16
src/BuildingBlocks/EventBus/CommandBus/ICommandBus.cs
View File

@ -1,16 +0,0 @@
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;
namespace Microsoft.eShopOnContainers.BuildingBlocks.CommandBus
{
public interface ICommandBus
{
void Send<T>(string name, T data);
void Handle<TC>(string name, IIntegrationCommandHandler<TC> handler);
void Handle(string name, IIntegrationCommandHandler handler);
void Handle<TI, TC>(TI handler)
where TI : IIntegrationCommandHandler<TC>;
}
}

16
src/BuildingBlocks/EventBus/CommandBus/IIntegrationCommandHandler.cs
View File

@ -1,16 +0,0 @@
using System;
using System.Collections.Generic;
using System.Text;
namespace Microsoft.eShopOnContainers.BuildingBlocks.CommandBus
{
public interface IIntegrationCommandHandler
{
void Handle(IntegrationCommand command);
}
public interface IIntegrationCommandHandler<T> : IIntegrationCommandHandler
{
void Handle(IntegrationCommand<T> command);
}
}

35
src/BuildingBlocks/EventBus/CommandBus/IntegrationCommand.cs
View File

@ -1,35 +0,0 @@
using System;
using System.Collections.Generic;
using System.Text;
namespace Microsoft.eShopOnContainers.BuildingBlocks.CommandBus
{
public abstract class IntegrationCommand
{
public Guid Id { get; }
public DateTime Sent { get; }
public abstract object GetDataAsObject();
protected IntegrationCommand()
{
Id = Guid.NewGuid();
Sent = DateTime.UtcNow;
}
}
public class IntegrationCommand<T> : IntegrationCommand
{
public T Data { get; }
public string Name { get; }
public override object GetDataAsObject() => Data;
public IntegrationCommand(string name, T data) : base()
{
Data = data;
Name = name;
}
}
}

22
src/BuildingBlocks/EventBus/EventBus.Tests/EventBus.Tests.csproj
View File

@ -1,22 +0,0 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netstandard2.0</TargetFramework>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.3.0" />
<PackageReference Include="xunit" Version="2.3.0" />
<PackageReference Include="xunit.runner.visualstudio" Version="2.3.0" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\EventBusRabbitMQ\EventBusRabbitMQ.csproj" />
<ProjectReference Include="..\EventBus\EventBus.csproj" />
</ItemGroup>
<ItemGroup>
<Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c358}" />
</ItemGroup>
</Project>

56
src/BuildingBlocks/EventBus/EventBus.Tests/InMemory_SubscriptionManager_Tests.cs
View File

@ -1,56 +0,0 @@
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus;
using System;
using System.Linq;
using Xunit;
namespace EventBus.Tests
{
public class InMemory_SubscriptionManager_Tests
{
[Fact]
public void After_Creation_Should_Be_Empty()
{
var manager = new InMemoryEventBusSubscriptionsManager();
Assert.True(manager.IsEmpty);
}
[Fact]
public void After_One_Event_Subscription_Should_Contain_The_Event()
{
var manager = new InMemoryEventBusSubscriptionsManager();
manager.AddSubscription<TestIntegrationEvent,TestIntegrationEventHandler>();
Assert.True(manager.HasSubscriptionsForEvent<TestIntegrationEvent>());
}
[Fact]
public void After_All_Subscriptions_Are_Deleted_Event_Should_No_Longer_Exists()
{
var manager = new InMemoryEventBusSubscriptionsManager();
manager.AddSubscription<TestIntegrationEvent, TestIntegrationEventHandler>();
manager.RemoveSubscription<TestIntegrationEvent, TestIntegrationEventHandler>();
Assert.False(manager.HasSubscriptionsForEvent<TestIntegrationEvent>());
}
[Fact]
public void Deleting_Last_Subscription_Should_Raise_On_Deleted_Event()
{
bool raised = false;
var manager = new InMemoryEventBusSubscriptionsManager();
manager.OnEventRemoved += (o, e) => raised = true;
manager.AddSubscription<TestIntegrationEvent, TestIntegrationEventHandler>();
manager.RemoveSubscription<TestIntegrationEvent, TestIntegrationEventHandler>();
Assert.True(raised);
}
[Fact]
public void Get_Handlers_For_Event_Should_Return_All_Handlers()
{
var manager = new InMemoryEventBusSubscriptionsManager();
manager.AddSubscription<TestIntegrationEvent, TestIntegrationEventHandler>();
manager.AddSubscription<TestIntegrationEvent, TestIntegrationOtherEventHandler>();
var handlers = manager.GetHandlersForEvent<TestIntegrationEvent>();
Assert.Equal(2, handlers.Count());
}
}
}

11
src/BuildingBlocks/EventBus/EventBus.Tests/TestIntegrationEvent.cs
View File

@ -1,11 +0,0 @@
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
using System;
using System.Collections.Generic;
using System.Text;
namespace EventBus.Tests
{
public class TestIntegrationEvent : IntegrationEvent
{
}
}

23
src/BuildingBlocks/EventBus/EventBus.Tests/TestIntegrationEventHandler.cs
View File

@ -1,23 +0,0 @@
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;
namespace EventBus.Tests
{
public class TestIntegrationEventHandler : IIntegrationEventHandler<TestIntegrationEvent>
{
public bool Handled { get; private set; }
public TestIntegrationEventHandler()
{
Handled = false;
}
public async Task Handle(TestIntegrationEvent @event)
{
Handled = true;
}
}
}

23
src/BuildingBlocks/EventBus/EventBus.Tests/TestIntegrationOtherEventHandler.cs
View File

@ -1,23 +0,0 @@
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;
namespace EventBus.Tests
{
public class TestIntegrationOtherEventHandler : IIntegrationEventHandler<TestIntegrationEvent>
{
public bool Handled { get; private set; }
public TestIntegrationOtherEventHandler()
{
Handled = false;
}
public async Task Handle(TestIntegrationEvent @event)
{
Handled = true;
}
}
}

13
src/BuildingBlocks/EventBus/EventBus/Abstractions/IDynamicIntegrationEventHandler.cs
View File

@ -1,13 +0,0 @@
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
using System;
using System.Collections.Generic;
using System.Text;
using System.Threading.Tasks;
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions
{
public interface IDynamicIntegrationEventHandler
{
Task Handle(dynamic eventData);
}
}

24
src/BuildingBlocks/EventBus/EventBus/Abstractions/IEventBus.cs
View File

@ -1,24 +0,0 @@
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
using System;
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions
{
public interface IEventBus
{
void Publish(IntegrationEvent @event);
void Subscribe<T, TH>()
where T : IntegrationEvent
where TH : IIntegrationEventHandler<T>;
void SubscribeDynamic<TH>(string eventName)
where TH : IDynamicIntegrationEventHandler;
void UnsubscribeDynamic<TH>(string eventName)
where TH : IDynamicIntegrationEventHandler;
void Unsubscribe<T, TH>()
where TH : IIntegrationEventHandler<T>
where T : IntegrationEvent;
}
}

15
src/BuildingBlocks/EventBus/EventBus/Abstractions/IIntegrationEventHandler.cs
View File

@ -1,15 +0,0 @@
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
using System.Threading.Tasks;
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions
{
public interface IIntegrationEventHandler<in TIntegrationEvent> : IIntegrationEventHandler
where TIntegrationEvent: IntegrationEvent
{
Task Handle(TIntegrationEvent @event);
}
public interface IIntegrationEventHandler
{
}
}

12
src/BuildingBlocks/EventBus/EventBus/EventBus.csproj
View File

@ -1,12 +0,0 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netstandard2.0</TargetFramework>
<RootNamespace>Microsoft.eShopOnContainers.BuildingBlocks.EventBus</RootNamespace>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
</ItemGroup>
</Project>

27
src/BuildingBlocks/EventBus/EventBus/Events/IntegrationEvent.cs
View File

@ -1,27 +0,0 @@
using System;
using Newtonsoft.Json;
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events
{
public class IntegrationEvent
{
public IntegrationEvent()
{
Id = Guid.NewGuid();
CreationDate = DateTime.UtcNow;
}
[JsonConstructor]
public IntegrationEvent(Guid id, DateTime createDate)
{
Id = id;
CreationDate = createDate;
}
[JsonProperty]
public Guid Id { get; private set; }
[JsonProperty]
public DateTime CreationDate { get; private set; }
}
}

32
src/BuildingBlocks/EventBus/EventBus/Extensions/GenericTypeExtensions.cs
View File

@ -1,32 +0,0 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Extensions
{
public static class GenericTypeExtensions
{
public static string GetGenericTypeName(this Type type)
{
var typeName = string.Empty;
if (type.IsGenericType)
{
var genericTypes = string.Join(",", type.GetGenericArguments().Select(t => t.Name).ToArray());
typeName = $"{type.Name.Remove(type.Name.IndexOf('`'))}<{genericTypes}>";
}
else
{
typeName = type.Name;
}
return typeName;
}
public static string GetGenericTypeName(this object @object)
{
return @object.GetType().GetGenericTypeName();
}
}
}

34
src/BuildingBlocks/EventBus/EventBus/IEventBusSubscriptionsManager.cs
View File

@ -1,34 +0,0 @@
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
using System;
using System.Collections.Generic;
using static Microsoft.eShopOnContainers.BuildingBlocks.EventBus.InMemoryEventBusSubscriptionsManager;
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBus
{
public interface IEventBusSubscriptionsManager
{
bool IsEmpty { get; }
event EventHandler<string> OnEventRemoved;
void AddDynamicSubscription<TH>(string eventName)
where TH : IDynamicIntegrationEventHandler;
void AddSubscription<T, TH>()
where T : IntegrationEvent
where TH : IIntegrationEventHandler<T>;
void RemoveSubscription<T, TH>()
where TH : IIntegrationEventHandler<T>
where T : IntegrationEvent;
void RemoveDynamicSubscription<TH>(string eventName)
where TH : IDynamicIntegrationEventHandler;
bool HasSubscriptionsForEvent<T>() where T : IntegrationEvent;
bool HasSubscriptionsForEvent(string eventName);
Type GetEventTypeByName(string eventName);
void Clear();
IEnumerable<SubscriptionInfo> GetHandlersForEvent<T>() where T : IntegrationEvent;
IEnumerable<SubscriptionInfo> GetHandlersForEvent(string eventName);
string GetEventKey<T>();
}
}

165
src/BuildingBlocks/EventBus/EventBus/InMemoryEventBusSubscriptionsManager.cs
View File

@ -1,165 +0,0 @@
using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBus
{
public partial class InMemoryEventBusSubscriptionsManager : IEventBusSubscriptionsManager
{
private readonly Dictionary<string, List<SubscriptionInfo>> _handlers;
private readonly List<Type> _eventTypes;
public event EventHandler<string> OnEventRemoved;
public InMemoryEventBusSubscriptionsManager()
{
_handlers = new Dictionary<string, List<SubscriptionInfo>>();
_eventTypes = new List<Type>();
}
public bool IsEmpty => !_handlers.Keys.Any();
public void Clear() => _handlers.Clear();
public void AddDynamicSubscription<TH>(string eventName)
where TH : IDynamicIntegrationEventHandler
{
DoAddSubscription(typeof(TH), eventName, isDynamic: true);
}
public void AddSubscription<T, TH>()
where T : IntegrationEvent
where TH : IIntegrationEventHandler<T>
{
var eventName = GetEventKey<T>();
DoAddSubscription(typeof(TH), eventName, isDynamic: false);
if (!_eventTypes.Contains(typeof(T)))
{
_eventTypes.Add(typeof(T));
}
}
private void DoAddSubscription(Type handlerType, string eventName, bool isDynamic)
{
if (!HasSubscriptionsForEvent(eventName))
{
_handlers.Add(eventName, new List<SubscriptionInfo>());
}
if (_handlers[eventName].Any(s => s.HandlerType == handlerType))
{
throw new ArgumentException(
$"Handler Type {handlerType.Name} already registered for '{eventName}'", nameof(handlerType));
}
if (isDynamic)
{
_handlers[eventName].Add(SubscriptionInfo.Dynamic(handlerType));
}
else
{
_handlers[eventName].Add(SubscriptionInfo.Typed(handlerType));
}
}
public void RemoveDynamicSubscription<TH>(string eventName)
where TH : IDynamicIntegrationEventHandler
{
var handlerToRemove = FindDynamicSubscriptionToRemove<TH>(eventName);
DoRemoveHandler(eventName, handlerToRemove);
}
public void RemoveSubscription<T, TH>()
where TH : IIntegrationEventHandler<T>
where T : IntegrationEvent
{
var handlerToRemove = FindSubscriptionToRemove<T, TH>();
var eventName = GetEventKey<T>();
DoRemoveHandler(eventName, handlerToRemove);
}
private void DoRemoveHandler(string eventName, SubscriptionInfo subsToRemove)
{
if (subsToRemove != null)
{
_handlers[eventName].Remove(subsToRemove);
if (!_handlers[eventName].Any())
{
_handlers.Remove(eventName);
var eventType = _eventTypes.SingleOrDefault(e => e.Name == eventName);
if (eventType != null)
{
_eventTypes.Remove(eventType);
}
RaiseOnEventRemoved(eventName);
}
}
}
public IEnumerable<SubscriptionInfo> GetHandlersForEvent<T>() where T : IntegrationEvent
{
var key = GetEventKey<T>();
return GetHandlersForEvent(key);
}
public IEnumerable<SubscriptionInfo> GetHandlersForEvent(string eventName) => _handlers[eventName];
private void RaiseOnEventRemoved(string eventName)
{
var handler = OnEventRemoved;
if (handler != null)
{
OnEventRemoved(this, eventName);
}
}
private SubscriptionInfo FindDynamicSubscriptionToRemove<TH>(string eventName)
where TH : IDynamicIntegrationEventHandler
{
return DoFindSubscriptionToRemove(eventName, typeof(TH));
}
private SubscriptionInfo FindSubscriptionToRemove<T, TH>()
where T : IntegrationEvent
where TH : IIntegrationEventHandler<T>
{
var eventName = GetEventKey<T>();
return DoFindSubscriptionToRemove(eventName, typeof(TH));
}
private SubscriptionInfo DoFindSubscriptionToRemove(string eventName, Type handlerType)
{
if (!HasSubscriptionsForEvent(eventName))
{
return null;
}
return _handlers[eventName].SingleOrDefault(s => s.HandlerType == handlerType);
}
public bool HasSubscriptionsForEvent<T>() where T : IntegrationEvent
{
var key = GetEventKey<T>();
return HasSubscriptionsForEvent(key);
}
public bool HasSubscriptionsForEvent(string eventName) => _handlers.ContainsKey(eventName);
public Type GetEventTypeByName(string eventName) => _eventTypes.SingleOrDefault(t => t.Name == eventName);
public string GetEventKey<T>()
{
return typeof(T).Name;
}
}
}

28
src/BuildingBlocks/EventBus/EventBus/SubscriptionInfo.cs
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@ -1,28 +0,0 @@
using System;
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBus
{
public partial class InMemoryEventBusSubscriptionsManager : IEventBusSubscriptionsManager
{
public class SubscriptionInfo
{
public bool IsDynamic { get; }
public Type HandlerType{ get; }
private SubscriptionInfo(bool isDynamic, Type handlerType)
{
IsDynamic = isDynamic;
HandlerType = handlerType;
}
public static SubscriptionInfo Dynamic(Type handlerType)
{
return new SubscriptionInfo(true, handlerType);
}
public static SubscriptionInfo Typed(Type handlerType)
{
return new SubscriptionInfo(false, handlerType);
}
}
}
}

131
src/BuildingBlocks/EventBus/EventBusRabbitMQ/DefaultRabbitMQPersistentConnection.cs
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@ -1,131 +0,0 @@
using Microsoft.Extensions.Logging;
using Polly;
using Polly.Retry;
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
using RabbitMQ.Client.Exceptions;
using System;
using System.IO;
using System.Net.Sockets;
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBusRabbitMQ
{
public class DefaultRabbitMQPersistentConnection
: IRabbitMQPersistentConnection
{
private readonly IConnectionFactory _connectionFactory;
private readonly ILogger<DefaultRabbitMQPersistentConnection> _logger;
private readonly int _retryCount;
IConnection _connection;
bool _disposed;
object sync_root = new object();
public DefaultRabbitMQPersistentConnection(IConnectionFactory connectionFactory, ILogger<DefaultRabbitMQPersistentConnection> logger, int retryCount = 5)
{
_connectionFactory = connectionFactory ?? throw new ArgumentNullException(nameof(connectionFactory));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_retryCount = retryCount;
}
public bool IsConnected
{
get
{
return _connection != null && _connection.IsOpen && !_disposed;
}
}
public IModel CreateModel()
{
if (!IsConnected)
{
throw new InvalidOperationException("No RabbitMQ connections are available to perform this action");
}
return _connection.CreateModel();
}
public void Dispose()
{
if (_disposed) return;
_disposed = true;
try
{
_connection.Dispose();
}
catch (IOException ex)
{
_logger.LogCritical(ex.ToString());
}
}
public bool TryConnect()
{
_logger.LogInformation("RabbitMQ Client is trying to connect");
lock (sync_root)
{
var policy = RetryPolicy.Handle<SocketException>()
.Or<BrokerUnreachableException>()
.WaitAndRetry(_retryCount, retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)), (ex, time) =>
{
_logger.LogWarning(ex, "RabbitMQ Client could not connect after {TimeOut}s ({ExceptionMessage})", $"{time.TotalSeconds:n1}", ex.Message);
}
);
policy.Execute(() =>
{
_connection = _connectionFactory
.CreateConnection();
});
if (IsConnected)
{
_connection.ConnectionShutdown += OnConnectionShutdown;
_connection.CallbackException += OnCallbackException;
_connection.ConnectionBlocked += OnConnectionBlocked;
_logger.LogInformation("RabbitMQ Client acquired a persistent connection to '{HostName}' and is subscribed to failure events", _connection.Endpoint.HostName);
return true;
}
else
{
_logger.LogCritical("FATAL ERROR: RabbitMQ connections could not be created and opened");
return false;
}
}
}
private void OnConnectionBlocked(object sender, ConnectionBlockedEventArgs e)
{
if (_disposed) return;
_logger.LogWarning("A RabbitMQ connection is shutdown. Trying to re-connect...");
TryConnect();
}
void OnCallbackException(object sender, CallbackExceptionEventArgs e)
{
if (_disposed) return;
_logger.LogWarning("A RabbitMQ connection throw exception. Trying to re-connect...");
TryConnect();
}
void OnConnectionShutdown(object sender, ShutdownEventArgs reason)
{
if (_disposed) return;
_logger.LogWarning("A RabbitMQ connection is on shutdown. Trying to re-connect...");
TryConnect();
}
}
}

248
src/BuildingBlocks/EventBus/EventBusRabbitMQ/EventBusRabbitMQ.cs
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@ -1,248 +0,0 @@
using Autofac;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Extensions;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using Polly;
using Polly.Retry;
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
using RabbitMQ.Client.Exceptions;
using System;
using System.Net.Sockets;
using System.Text;
using System.Threading.Tasks;
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBusRabbitMQ
{
public class EventBusRabbitMQ : IEventBus, IDisposable
{
const string BROKER_NAME = "eshop_event_bus";
private readonly IRabbitMQPersistentConnection _persistentConnection;
private readonly ILogger<EventBusRabbitMQ> _logger;
private readonly IEventBusSubscriptionsManager _subsManager;
private readonly ILifetimeScope _autofac;
private readonly string AUTOFAC_SCOPE_NAME = "eshop_event_bus";
private readonly int _retryCount;
private IModel _consumerChannel;
private string _queueName;
public EventBusRabbitMQ(IRabbitMQPersistentConnection persistentConnection, ILogger<EventBusRabbitMQ> logger,
ILifetimeScope autofac, IEventBusSubscriptionsManager subsManager, string queueName = null, int retryCount = 5)
{
_persistentConnection = persistentConnection ?? throw new ArgumentNullException(nameof(persistentConnection));
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_subsManager = subsManager ?? new InMemoryEventBusSubscriptionsManager();
_queueName = queueName;
_consumerChannel = CreateConsumerChannel();
_autofac = autofac;
_retryCount = retryCount;
_subsManager.OnEventRemoved += SubsManager_OnEventRemoved;
}
private void SubsManager_OnEventRemoved(object sender, string eventName)
{
if (!_persistentConnection.IsConnected)
{
_persistentConnection.TryConnect();
}
using (var channel = _persistentConnection.CreateModel())
{
channel.QueueUnbind(queue: _queueName,
exchange: BROKER_NAME,
routingKey: eventName);
if (_subsManager.IsEmpty)
{
_queueName = string.Empty;
_consumerChannel.Close();
}
}
}
public void Publish(IntegrationEvent @event)
{
if (!_persistentConnection.IsConnected)
{
_persistentConnection.TryConnect();
}
var policy = RetryPolicy.Handle<BrokerUnreachableException>()
.Or<SocketException>()
.WaitAndRetry(_retryCount, retryAttempt => TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)), (ex, time) =>
{
_logger.LogWarning(ex, "Could not publish event: {EventId} after {Timeout}s ({ExceptionMessage})", @event.Id, $"{time.TotalSeconds:n1}", ex.Message);
});
using (var channel = _persistentConnection.CreateModel())
{
var eventName = @event.GetType()
.Name;
channel.ExchangeDeclare(exchange: BROKER_NAME,
type: "direct");
var message = JsonConvert.SerializeObject(@event);
var body = Encoding.UTF8.GetBytes(message);
policy.Execute(() =>
{
var properties = channel.CreateBasicProperties();
properties.DeliveryMode = 2; // persistent
channel.BasicPublish(exchange: BROKER_NAME,
routingKey: eventName,
mandatory:true,
basicProperties: properties,
body: body);
});
}
}
public void SubscribeDynamic<TH>(string eventName)
where TH : IDynamicIntegrationEventHandler
{
_logger.LogInformation("Subscribing to dynamic event {EventName} with {EventHandler}", eventName, typeof(TH).GetGenericTypeName());
DoInternalSubscription(eventName);
_subsManager.AddDynamicSubscription<TH>(eventName);
}
public void Subscribe<T, TH>()
where T : IntegrationEvent
where TH : IIntegrationEventHandler<T>
{
var eventName = _subsManager.GetEventKey<T>();
DoInternalSubscription(eventName);
_logger.LogInformation("Subscribing to event {EventName} with {EventHandler}", eventName, typeof(TH).GetGenericTypeName());
_subsManager.AddSubscription<T, TH>();
}
private void DoInternalSubscription(string eventName)
{
var containsKey = _subsManager.HasSubscriptionsForEvent(eventName);
if (!containsKey)
{
if (!_persistentConnection.IsConnected)
{
_persistentConnection.TryConnect();
}
using (var channel = _persistentConnection.CreateModel())
{
channel.QueueBind(queue: _queueName,
exchange: BROKER_NAME,
routingKey: eventName);
}
}
}
public void Unsubscribe<T, TH>()
where T : IntegrationEvent
where TH : IIntegrationEventHandler<T>
{
var eventName = _subsManager.GetEventKey<T>();
_logger.LogInformation("Unsubscribing from event {EventName}", eventName);
_subsManager.RemoveSubscription<T, TH>();
}
public void UnsubscribeDynamic<TH>(string eventName)
where TH : IDynamicIntegrationEventHandler
{
_subsManager.RemoveDynamicSubscription<TH>(eventName);
}
public void Dispose()
{
if (_consumerChannel != null)
{
_consumerChannel.Dispose();
}
_subsManager.Clear();
}
private IModel CreateConsumerChannel()
{
if (!_persistentConnection.IsConnected)
{
_persistentConnection.TryConnect();
}
var channel = _persistentConnection.CreateModel();
channel.ExchangeDeclare(exchange: BROKER_NAME,
type: "direct");
channel.QueueDeclare(queue: _queueName,
durable: true,
exclusive: false,
autoDelete: false,
arguments: null);
var consumer = new EventingBasicConsumer(channel);
consumer.Received += async (model, ea) =>
{
var eventName = ea.RoutingKey;
var message = Encoding.UTF8.GetString(ea.Body);
await ProcessEvent(eventName, message);
channel.BasicAck(ea.DeliveryTag,multiple:false);
};
channel.BasicConsume(queue: _queueName,
autoAck: false,
consumer: consumer);
channel.CallbackException += (sender, ea) =>
{
_consumerChannel.Dispose();
_consumerChannel = CreateConsumerChannel();
};
return channel;
}
private async Task ProcessEvent(string eventName, string message)
{
if (_subsManager.HasSubscriptionsForEvent(eventName))
{
using (var scope = _autofac.BeginLifetimeScope(AUTOFAC_SCOPE_NAME))
{
var subscriptions = _subsManager.GetHandlersForEvent(eventName);
foreach (var subscription in subscriptions)
{
if (subscription.IsDynamic)
{
var handler = scope.ResolveOptional(subscription.HandlerType) as IDynamicIntegrationEventHandler;
if (handler == null) continue;
dynamic eventData = JObject.Parse(message);
await handler.Handle(eventData);
}
else
{
var handler = scope.ResolveOptional(subscription.HandlerType);
if (handler == null) continue;
var eventType = _subsManager.GetEventTypeByName(eventName);
var integrationEvent = JsonConvert.DeserializeObject(message, eventType);
var concreteType = typeof(IIntegrationEventHandler<>).MakeGenericType(eventType);
await (Task)concreteType.GetMethod("Handle").Invoke(handler, new object[] { integrationEvent });
}
}
}
}
}
}
}

22
src/BuildingBlocks/EventBus/EventBusRabbitMQ/EventBusRabbitMQ.csproj
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@ -1,22 +0,0 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netstandard2.0</TargetFramework>
<RootNamespace>Microsoft.eShopOnContainers.BuildingBlocks.EventBusRabbitMQ</RootNamespace>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Autofac" Version="4.6.2" />
<PackageReference Include="Microsoft.CSharp" Version="4.5.0" />
<PackageReference Include="Microsoft.Extensions.Logging" Version="2.2.0" />
<PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
<PackageReference Include="Polly" Version="6.0.1" />
<PackageReference Include="RabbitMQ.Client" Version="5.0.1" />
<PackageReference Include="System.ValueTuple" Version="4.5.0" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\EventBus\EventBus.csproj" />
</ItemGroup>
</Project>

15
src/BuildingBlocks/EventBus/EventBusRabbitMQ/IRabbitMQPersistentConnection.cs
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@ -1,15 +0,0 @@
using RabbitMQ.Client;
using System;
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBusRabbitMQ
{
public interface IRabbitMQPersistentConnection
: IDisposable
{
bool IsConnected { get; }
bool TryConnect();
IModel CreateModel();
}
}

44
src/BuildingBlocks/EventBus/EventBusServiceBus/DefaultServiceBusPersisterConnection.cs
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@ -1,44 +0,0 @@
using Microsoft.Azure.ServiceBus;
using Microsoft.Extensions.Logging;
using System;
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBusServiceBus
{
public class DefaultServiceBusPersisterConnection :IServiceBusPersisterConnection
{
private readonly ILogger<DefaultServiceBusPersisterConnection> _logger;
private readonly ServiceBusConnectionStringBuilder _serviceBusConnectionStringBuilder;
private ITopicClient _topicClient;
bool _disposed;
public DefaultServiceBusPersisterConnection(ServiceBusConnectionStringBuilder serviceBusConnectionStringBuilder,
ILogger<DefaultServiceBusPersisterConnection> logger)
{
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_serviceBusConnectionStringBuilder = serviceBusConnectionStringBuilder ??
throw new ArgumentNullException(nameof(serviceBusConnectionStringBuilder));
_topicClient = new TopicClient(_serviceBusConnectionStringBuilder, RetryPolicy.Default);
}
public ServiceBusConnectionStringBuilder ServiceBusConnectionStringBuilder => _serviceBusConnectionStringBuilder;
public ITopicClient CreateModel()
{
if(_topicClient.IsClosedOrClosing)
{
_topicClient = new TopicClient(_serviceBusConnectionStringBuilder, RetryPolicy.Default);
}
return _topicClient;
}
public void Dispose()
{
if (_disposed) return;
_disposed = true;
}
}
}

208
src/BuildingBlocks/EventBus/EventBusServiceBus/EventBusServiceBus.cs
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@ -1,208 +0,0 @@
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBusServiceBus
{
using Autofac;
using Microsoft.Azure.ServiceBus;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Text;
using System.Threading.Tasks;
public class EventBusServiceBus : IEventBus
{
private readonly IServiceBusPersisterConnection _serviceBusPersisterConnection;
private readonly ILogger<EventBusServiceBus> _logger;
private readonly IEventBusSubscriptionsManager _subsManager;
private readonly SubscriptionClient _subscriptionClient;
private readonly ILifetimeScope _autofac;
private readonly string AUTOFAC_SCOPE_NAME = "eshop_event_bus";
private const string INTEGRATION_EVENT_SUFIX = "IntegrationEvent";
public EventBusServiceBus(IServiceBusPersisterConnection serviceBusPersisterConnection,
ILogger<EventBusServiceBus> logger, IEventBusSubscriptionsManager subsManager, string subscriptionClientName,
ILifetimeScope autofac)
{
_serviceBusPersisterConnection = serviceBusPersisterConnection;
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
_subsManager = subsManager ?? new InMemoryEventBusSubscriptionsManager();
_subscriptionClient = new SubscriptionClient(serviceBusPersisterConnection.ServiceBusConnectionStringBuilder,
subscriptionClientName);
_autofac = autofac;
RemoveDefaultRule();
RegisterSubscriptionClientMessageHandler();
}
public void Publish(IntegrationEvent @event)
{
var eventName = @event.GetType().Name.Replace(INTEGRATION_EVENT_SUFIX, "");
var jsonMessage = JsonConvert.SerializeObject(@event);
var body = Encoding.UTF8.GetBytes(jsonMessage);
var message = new Message
{
MessageId = Guid.NewGuid().ToString(),
Body = body,
Label = eventName,
};
var topicClient = _serviceBusPersisterConnection.CreateModel();
topicClient.SendAsync(message)
.GetAwaiter()
.GetResult();
}
public void SubscribeDynamic<TH>(string eventName)
where TH : IDynamicIntegrationEventHandler
{
_logger.LogInformation("Subscribing to dynamic event {EventName} with {EventHandler}", eventName, nameof(TH));
_subsManager.AddDynamicSubscription<TH>(eventName);
}
public void Subscribe<T, TH>()
where T : IntegrationEvent
where TH : IIntegrationEventHandler<T>
{
var eventName = typeof(T).Name.Replace(INTEGRATION_EVENT_SUFIX, "");
var containsKey = _subsManager.HasSubscriptionsForEvent<T>();
if (!containsKey)
{
try
{
_subscriptionClient.AddRuleAsync(new RuleDescription
{
Filter = new CorrelationFilter { Label = eventName },
Name = eventName
}).GetAwaiter().GetResult();
}
catch (ServiceBusException)
{
_logger.LogWarning("The messaging entity {eventName} already exists.", eventName);
}
}
_logger.LogInformation("Subscribing to event {EventName} with {EventHandler}", eventName, nameof(TH));
_subsManager.AddSubscription<T, TH>();
}
public void Unsubscribe<T, TH>()
where T : IntegrationEvent
where TH : IIntegrationEventHandler<T>
{
var eventName = typeof(T).Name.Replace(INTEGRATION_EVENT_SUFIX, "");
try
{
_subscriptionClient
.RemoveRuleAsync(eventName)
.GetAwaiter()
.GetResult();
}
catch (MessagingEntityNotFoundException)
{
_logger.LogWarning("The messaging entity {eventName} Could not be found.", eventName);
}
_logger.LogInformation("Unsubscribing from event {EventName}", eventName);
_subsManager.RemoveSubscription<T, TH>();
}
public void UnsubscribeDynamic<TH>(string eventName)
where TH : IDynamicIntegrationEventHandler
{
_logger.LogInformation("Unsubscribing from dynamic event {EventName}", eventName);
_subsManager.RemoveDynamicSubscription<TH>(eventName);
}
public void Dispose()
{
_subsManager.Clear();
}
private void RegisterSubscriptionClientMessageHandler()
{
_subscriptionClient.RegisterMessageHandler(
async (message, token) =>
{
var eventName = $"{message.Label}{INTEGRATION_EVENT_SUFIX}";
var messageData = Encoding.UTF8.GetString(message.Body);
// Complete the message so that it is not received again.
if (await ProcessEvent(eventName, messageData))
{
await _subscriptionClient.CompleteAsync(message.SystemProperties.LockToken);
}
},
new MessageHandlerOptions(ExceptionReceivedHandler) { MaxConcurrentCalls = 10, AutoComplete = false });
}
private Task ExceptionReceivedHandler(ExceptionReceivedEventArgs exceptionReceivedEventArgs)
{
var ex = exceptionReceivedEventArgs.Exception;
var context = exceptionReceivedEventArgs.ExceptionReceivedContext;
_logger.LogError(ex, "ERROR handling message: {ExceptionMessage} - Context: {@ExceptionContext}", ex.Message, context);
return Task.CompletedTask;
}
private async Task<bool> ProcessEvent(string eventName, string message)
{
var processed = false;
if (_subsManager.HasSubscriptionsForEvent(eventName))
{
using (var scope = _autofac.BeginLifetimeScope(AUTOFAC_SCOPE_NAME))
{
var subscriptions = _subsManager.GetHandlersForEvent(eventName);
foreach (var subscription in subscriptions)
{
if (subscription.IsDynamic)
{
var handler = scope.ResolveOptional(subscription.HandlerType) as IDynamicIntegrationEventHandler;
if (handler == null) continue;
dynamic eventData = JObject.Parse(message);
await handler.Handle(eventData);
}
else
{
var handler = scope.ResolveOptional(subscription.HandlerType);
if (handler == null) continue;
var eventType = _subsManager.GetEventTypeByName(eventName);
var integrationEvent = JsonConvert.DeserializeObject(message, eventType);
var concreteType = typeof(IIntegrationEventHandler<>).MakeGenericType(eventType);
await (Task)concreteType.GetMethod("Handle").Invoke(handler, new object[] { integrationEvent });
}
}
}
processed = true;
}
return processed;
}
private void RemoveDefaultRule()
{
try
{
_subscriptionClient
.RemoveRuleAsync(RuleDescription.DefaultRuleName)
.GetAwaiter()
.GetResult();
}
catch (MessagingEntityNotFoundException)
{
_logger.LogWarning("The messaging entity {DefaultRuleName} Could not be found.", RuleDescription.DefaultRuleName);
}
}
}
}

19
src/BuildingBlocks/EventBus/EventBusServiceBus/EventBusServiceBus.csproj
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@ -1,19 +0,0 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netstandard2.0</TargetFramework>
<RootNamespace>Microsoft.eShopOnContainers.BuildingBlocks.EventBusServiceBus</RootNamespace>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Autofac" Version="4.6.2" />
<PackageReference Include="Microsoft.Azure.ServiceBus" Version="3.0.0" />
<PackageReference Include="Microsoft.CSharp" Version="4.5.0" />
<PackageReference Include="Microsoft.Extensions.Logging" Version="2.2.0" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\EventBus\EventBus.csproj" />
</ItemGroup>
</Project>

12
src/BuildingBlocks/EventBus/EventBusServiceBus/IServiceBusPersisterConnection.cs
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@ -1,12 +0,0 @@
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBusServiceBus
{
using Microsoft.Azure.ServiceBus;
using System;
public interface IServiceBusPersisterConnection : IDisposable
{
ServiceBusConnectionStringBuilder ServiceBusConnectionStringBuilder { get; }
ITopicClient CreateModel();
}
}

14
src/BuildingBlocks/EventBus/IntegrationEventLogEF/EventStateEnum.cs
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@ -1,14 +0,0 @@
using System;
using System.Collections.Generic;
using System.Text;
namespace Microsoft.eShopOnContainers.BuildingBlocks.IntegrationEventLogEF
{
public enum EventStateEnum
{
NotPublished = 0,
InProgress = 1,
Published = 2,
PublishedFailed = 3
}
}

48
src/BuildingBlocks/EventBus/IntegrationEventLogEF/IntegrationEventLogContext.cs
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@ -1,48 +0,0 @@
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;
using System;
using System.Collections.Generic;
using System.Text;
namespace Microsoft.eShopOnContainers.BuildingBlocks.IntegrationEventLogEF
{
public class IntegrationEventLogContext : DbContext
{
public IntegrationEventLogContext(DbContextOptions<IntegrationEventLogContext> options) : base(options)
{
}
public DbSet<IntegrationEventLogEntry> IntegrationEventLogs { get; set; }
protected override void OnModelCreating(ModelBuilder builder)
{
builder.Entity<IntegrationEventLogEntry>(ConfigureIntegrationEventLogEntry);
}
void ConfigureIntegrationEventLogEntry(EntityTypeBuilder<IntegrationEventLogEntry> builder)
{
builder.ToTable("IntegrationEventLog");
builder.HasKey(e => e.EventId);
builder.Property(e => e.EventId)
.IsRequired();
builder.Property(e => e.Content)
.IsRequired();
builder.Property(e => e.CreationTime)
.IsRequired();
builder.Property(e => e.State)
.IsRequired();
builder.Property(e => e.TimesSent)
.IsRequired();
builder.Property(e => e.EventTypeName)
.IsRequired();
}
}
}

19
src/BuildingBlocks/EventBus/IntegrationEventLogEF/IntegrationEventLogEF.csproj
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@ -1,19 +0,0 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netstandard2.0</TargetFramework>
<RootNamespace>Microsoft.eShopOnContainers.BuildingBlocks.IntegrationEventLogEF</RootNamespace>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.EntityFrameworkCore" Version="2.2.2" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="2.2.2" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Relational" Version="2.2.2" />
<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="2.2.2" />
<PackageReference Include="Newtonsoft.Json" Version="11.0.2" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\EventBus\EventBus.csproj" />
</ItemGroup>
</Project>

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src/BuildingBlocks/EventBus/IntegrationEventLogEF/IntegrationEventLogEntry.cs
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using System;
using System.Collections.Generic;
using System.Text;
using Newtonsoft.Json;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
using System.Linq;
using System.ComponentModel.DataAnnotations.Schema;
using System.Reflection;
namespace Microsoft.eShopOnContainers.BuildingBlocks.IntegrationEventLogEF
{
public class IntegrationEventLogEntry
{
private IntegrationEventLogEntry() { }
public IntegrationEventLogEntry(IntegrationEvent @event)
{
EventId = @event.Id;
CreationTime = @event.CreationDate;
EventTypeName = @event.GetType().FullName;
Content = JsonConvert.SerializeObject(@event);
State = EventStateEnum.NotPublished;
TimesSent = 0;
}
public Guid EventId { get; private set; }
public string EventTypeName { get; private set; }
[NotMapped]
public string EventTypeShortName => EventTypeName.Split('.')?.Last();
[NotMapped]
public IntegrationEvent IntegrationEvent { get; private set; }
public EventStateEnum State { get; set; }
public int TimesSent { get; set; }
public DateTime CreationTime { get; private set; }
public string Content { get; private set; }
public IntegrationEventLogEntry DeserializeJsonContent(Type type)
{
IntegrationEvent = JsonConvert.DeserializeObject(Content, type) as IntegrationEvent;
return this;
}
}
}

18
src/BuildingBlocks/EventBus/IntegrationEventLogEF/Services/IIntegrationEventLogService.cs
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using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Linq;
using System.Threading.Tasks;
namespace Microsoft.eShopOnContainers.BuildingBlocks.IntegrationEventLogEF.Services
{
public interface IIntegrationEventLogService
{
Task<IEnumerable<IntegrationEventLogEntry>> RetrieveEventLogsPendingToPublishAsync();
Task SaveEventAsync(IntegrationEvent @event, DbTransaction transaction);
Task MarkEventAsPublishedAsync(Guid eventId);
Task MarkEventAsInProgressAsync(Guid eventId);
Task MarkEventAsFailedAsync(Guid eventId);
}
}

89
src/BuildingBlocks/EventBus/IntegrationEventLogEF/Services/IntegrationEventLogService.cs
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using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Diagnostics;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
using Newtonsoft.Json;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data.Common;
using System.Linq;
using System.Reflection;
using System.Threading.Tasks;
namespace Microsoft.eShopOnContainers.BuildingBlocks.IntegrationEventLogEF.Services
{
public class IntegrationEventLogService : IIntegrationEventLogService
{
private readonly IntegrationEventLogContext _integrationEventLogContext;
private readonly DbConnection _dbConnection;
private readonly List<Type> _eventTypes;
public IntegrationEventLogService(DbConnection dbConnection)
{
_dbConnection = dbConnection ?? throw new ArgumentNullException(nameof(dbConnection));
_integrationEventLogContext = new IntegrationEventLogContext(
new DbContextOptionsBuilder<IntegrationEventLogContext>()
.UseSqlServer(_dbConnection)
.ConfigureWarnings(warnings => warnings.Throw(RelationalEventId.QueryClientEvaluationWarning))
.Options);
_eventTypes = Assembly.Load(Assembly.GetEntryAssembly().FullName)
.GetTypes()
.Where(t => t.Name.EndsWith(nameof(IntegrationEvent)))
.ToList();
}
public async Task<IEnumerable<IntegrationEventLogEntry>> RetrieveEventLogsPendingToPublishAsync()
{
return await _integrationEventLogContext.IntegrationEventLogs
.Where(e => e.State == EventStateEnum.NotPublished)
.OrderBy(o => o.CreationTime)
.Select(e => e.DeserializeJsonContent(_eventTypes.Find(t=> t.Name == e.EventTypeShortName)))
.ToListAsync();
}
public Task SaveEventAsync(IntegrationEvent @event, DbTransaction transaction)
{
if (transaction == null)
{
throw new ArgumentNullException(nameof(transaction), $"A {typeof(DbTransaction).FullName} is required as a pre-requisite to save the event.");
}
var eventLogEntry = new IntegrationEventLogEntry(@event);
_integrationEventLogContext.Database.UseTransaction(transaction);
_integrationEventLogContext.IntegrationEventLogs.Add(eventLogEntry);
return _integrationEventLogContext.SaveChangesAsync();
}
public Task MarkEventAsPublishedAsync(Guid eventId)
{
return UpdateEventStatus(eventId, EventStateEnum.Published);
}
public Task MarkEventAsInProgressAsync(Guid eventId)
{
return UpdateEventStatus(eventId, EventStateEnum.InProgress);
}
public Task MarkEventAsFailedAsync(Guid eventId)
{
return UpdateEventStatus(eventId, EventStateEnum.PublishedFailed);
}
private Task UpdateEventStatus(Guid eventId, EventStateEnum status)
{
var eventLogEntry = _integrationEventLogContext.IntegrationEventLogs.Single(ie => ie.EventId == eventId);
eventLogEntry.State = status;
if(status == EventStateEnum.InProgress)
eventLogEntry.TimesSent++;
_integrationEventLogContext.IntegrationEventLogs.Update(eventLogEntry);
return _integrationEventLogContext.SaveChangesAsync();
}
}
}

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src/BuildingBlocks/EventBus/IntegrationEventLogEF/Utilities/ResilientTransaction.cs
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using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Storage;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
using Microsoft.eShopOnContainers.BuildingBlocks.IntegrationEventLogEF.Services;
using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Text;
using System.Threading.Tasks;
namespace Microsoft.eShopOnContainers.BuildingBlocks.IntegrationEventLogEF.Utilities
{
public class ResilientTransaction
{
private DbContext _context;
private ResilientTransaction(DbContext context) =>
_context = context ?? throw new ArgumentNullException(nameof(context));
public static ResilientTransaction New (DbContext context) =>
new ResilientTransaction(context);
public async Task ExecuteAsync(Func<Task> action)
{
//Use of an EF Core resiliency strategy when using multiple DbContexts within an explicit BeginTransaction():
//See: https://docs.microsoft.com/en-us/ef/core/miscellaneous/connection-resiliency
var strategy = _context.Database.CreateExecutionStrategy();
await strategy.ExecuteAsync(async () =>
{
using (var transaction = _context.Database.BeginTransaction())
{
await action();
transaction.Commit();
}
});
}
}
}