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Create EventBusServiceBus project and add EventBusServiceBus/ServiceBusPersisterConnection to project

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This commit is contained in:
Christian Arenas 2017-05-24 15:34:55 +02:00
parent 721a4fd02b
commit aa7556a1bd
5 changed files with 266 additions and 1 deletions
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53
eShopOnContainers-ServicesAndWebApps.sln
View File

@ -1,7 +1,7 @@
 
Microsoft Visual Studio Solution File, Format Version 12.00 Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 15 # Visual Studio 15
VisualStudioVersion = 15.0.26403.3 VisualStudioVersion = 15.0.26430.6
MinimumVisualStudioVersion = 10.0.40219.1 MinimumVisualStudioVersion = 10.0.40219.1
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{932D8224-11F6-4D07-B109-DA28AD288A63}" Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{932D8224-11F6-4D07-B109-DA28AD288A63}"
EndProject EndProject
@ -76,6 +76,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Microsoft.Extensions.Health
EndProject EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EventBus.Tests", "src\BuildingBlocks\EventBus\EventBus.Tests\EventBus.Tests.csproj", "{89D80DF1-32E1-4AAF-970F-DA0AA6881F9D}" Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EventBus.Tests", "src\BuildingBlocks\EventBus\EventBus.Tests\EventBus.Tests.csproj", "{89D80DF1-32E1-4AAF-970F-DA0AA6881F9D}"
EndProject EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EventBusServiceBus", "src\BuildingBlocks\EventBus\EventBusServiceBus\EventBusServiceBus.csproj", "{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}"
EndProject
Global Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution GlobalSection(SolutionConfigurationPlatforms) = preSolution
Ad-Hoc|Any CPU = Ad-Hoc|Any CPU Ad-Hoc|Any CPU = Ad-Hoc|Any CPU
@ -1002,6 +1004,54 @@ Global
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{89D80DF1-32E1-4AAF-970F-DA0AA6881F9D}.Release|x86.ActiveCfg = Release|Any CPU {89D80DF1-32E1-4AAF-970F-DA0AA6881F9D}.Release|x86.ActiveCfg = Release|Any CPU
{89D80DF1-32E1-4AAF-970F-DA0AA6881F9D}.Release|x86.Build.0 = Release|Any CPU {89D80DF1-32E1-4AAF-970F-DA0AA6881F9D}.Release|x86.Build.0 = Release|Any CPU
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{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8}.Debug|iPhoneSimulator.Build.0 = Debug|Any CPU
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EndGlobalSection EndGlobalSection
GlobalSection(SolutionProperties) = preSolution GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE HideSolutionNode = FALSE
@ -1038,5 +1088,6 @@ Global
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{69AF10D3-AA76-4FF7-B187-EC7E8CC5F5B8} = {807BB76E-B2BB-47A2-A57B-3D1B20FF5E7F}
EndGlobalSection EndGlobalSection
EndGlobal EndGlobal

49
src/BuildingBlocks/EventBus/EventBusServiceBus/DefaultServiceBusPersisterConnection.cs Normal file
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@ -0,0 +1,49 @@
using Microsoft.Azure.ServiceBus;
using Microsoft.Extensions.Logging;
using System;
using System.IO;
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBusServiceBus
{
public class DefaultServiceBusPersisterConnection : ServiceBusConnection, IServiceBusPersisterConnection
{
private readonly ILogger<ServiceBusConnection> _logger;
private readonly ServiceBusConnectionStringBuilder _serviceBusConnectionStringBuilder;
private ITopicClient _topicClient;
bool _disposed;
object sync_root = new object();
public DefaultServiceBusPersisterConnection(ServiceBusConnectionStringBuilder serviceBusConnectionStringBuilder,
TimeSpan operationTimeout, RetryPolicy retryPolicy, ILogger<ServiceBusConnection> logger)
: base(operationTimeout, retryPolicy)
{
_logger = logger ?? throw new ArgumentNullException(nameof(logger));
InitializeConnection(serviceBusConnectionStringBuilder);
_serviceBusConnectionStringBuilder = serviceBusConnectionStringBuilder ??
throw new ArgumentNullException(nameof(serviceBusConnectionStringBuilder));
}
public bool IsConnected => _topicClient.IsClosedOrClosing;
public ServiceBusConnectionStringBuilder ServiceBusConnectionStringBuilder => _serviceBusConnectionStringBuilder;
public ITopicClient CreateModel()
{
if(_topicClient.IsClosedOrClosing)
{
_topicClient = new TopicClient(_serviceBusConnectionStringBuilder, RetryPolicy);
}
return _topicClient;
}
public void Dispose()
{
if (_disposed) return;
_disposed = true;
}
}
}

134
src/BuildingBlocks/EventBus/EventBusServiceBus/EventBusServiceBus.cs Normal file
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@ -0,0 +1,134 @@
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBusServiceBus
{
using System;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Abstractions;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus.Events;
using Microsoft.Extensions.Logging;
using Microsoft.Azure.ServiceBus;
using Newtonsoft.Json;
using System.Text;
using System.Threading.Tasks;
using Microsoft.eShopOnContainers.BuildingBlocks.EventBus;
using System.Reflection;
using Microsoft.Azure.ServiceBus.Filters;
public class EventBusServiceBus : IEventBus
{
private readonly IServiceBusPersisterConnection _serviceBusPersisterConnection;
private ServiceBusConnectionStringBuilder _serviceBusConnectionStringBuilder;
private readonly ILogger<EventBusServiceBus> _logger;
private readonly IEventBusSubscriptionsManager _subsManager;
private readonly SubscriptionClient _subscriptionClient;
public EventBusServiceBus(IServiceBusPersisterConnection serviceBusPersisterConnection,
ILogger<EventBusServiceBus> logger, IEventBusSubscriptionsManager subsManager, string subscriptionClientName)
{
_serviceBusPersisterConnection = serviceBusPersisterConnection;
_logger = logger;
_subsManager = subsManager ?? new InMemoryEventBusSubscriptionsManager();
_subscriptionClient = new SubscriptionClient(serviceBusPersisterConnection.ServiceBusConnectionStringBuilder,
subscriptionClientName);
}
public void Publish(IntegrationEvent @event)
{
var eventName = @event.GetType().Name;
var jsonMessage = JsonConvert.SerializeObject(@event);
var body = Encoding.UTF8.GetBytes(jsonMessage);
var message = new Message
{
MessageId = new Guid().ToString(),
Body = Encoding.UTF8.GetBytes(jsonMessage),
Label = eventName,
};
var topicClient = _serviceBusPersisterConnection.CreateModel();
topicClient.SendAsync(message)
.GetAwaiter()
.GetResult();
}
public void Subscribe<T, TH>(Func<TH> handler)
where T : IntegrationEvent
where TH : IIntegrationEventHandler<T>
{
var eventName = typeof(T).Name;
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($"The messaging entity {eventName} already exists.");
}
}
_subsManager.AddSubscription<T, TH>(handler);
}
public void Unsubscribe<T, TH>()
where T : IntegrationEvent
where TH : IIntegrationEventHandler<T>
{
var eventName = typeof(T).Name;
try
{
_subscriptionClient
.RemoveRuleAsync(eventName)
.GetAwaiter()
.GetResult();
}
catch (MessagingEntityNotFoundException)
{
_logger.LogWarning($"The messaging entity {eventName} Could not be found.");
}
_subsManager.RemoveSubscription<T, TH>();
}
public void Dispose()
{
_subsManager.Clear();
}
//private async Task CreateConsumerChannel()
//{
// _subscriptionClient.RegisterMessageHandler(
// async (message, token) =>
// {
// var eventName = message.Label;
// var messageData = Encoding.UTF8.GetString(message.Body);
// await ProcessEvent(eventName, messageData);
// },
// new MessageHandlerOptions() { MaxConcurrentCalls = 10, AutoComplete = true });
//}
private async Task ProcessEvent(string eventName, string message)
{
if (_subsManager.HasSubscriptionsForEvent(eventName))
{
var eventType = _subsManager.GetEventTypeByName(eventName);
var integrationEvent = JsonConvert.DeserializeObject(message, eventType);
var handlers = _subsManager.GetHandlersForEvent(eventName);
foreach (var handlerfactory in handlers)
{
var handler = handlerfactory.DynamicInvoke();
var concreteType = typeof(IIntegrationEventHandler<>).MakeGenericType(eventType);
await (Task)concreteType.GetMethod("Handle").Invoke(handler, new object[] { integrationEvent });
}
}
}
}
}

17
src/BuildingBlocks/EventBus/EventBusServiceBus/EventBusServiceBus.csproj Normal file
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@ -0,0 +1,17 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>netcoreapp1.1</TargetFramework>
<RootNamespace>Microsoft.eShopOnContainers.BuildingBlocks.EventBusServiceBus</RootNamespace>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.Azure.ServiceBus" Version="0.0.5-preview" />
<PackageReference Include="Microsoft.Extensions.Logging" Version="1.1.1" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\EventBus\EventBus.csproj" />
</ItemGroup>
</Project>

14
src/BuildingBlocks/EventBus/EventBusServiceBus/IServiceBusPersisterConnection.cs Normal file
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@ -0,0 +1,14 @@
namespace Microsoft.eShopOnContainers.BuildingBlocks.EventBusServiceBus
{
using System;
using Microsoft.Azure.ServiceBus;
public interface IServiceBusPersisterConnection : IDisposable
{
ServiceBusConnectionStringBuilder ServiceBusConnectionStringBuilder { get; }
bool IsConnected { get; }
ITopicClient CreateModel();
}
}