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Create EventBusServiceBus project and add EventBusServiceBus/ServiceBusPersisterConnection to project
pull/235/head
Christian Arenas
7 years ago
5 changed files with 266 additions and 1 deletions
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+52 -1eShopOnContainers-ServicesAndWebApps.sln
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+49 -0src/BuildingBlocks/EventBus/EventBusServiceBus/DefaultServiceBusPersisterConnection.cs
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+134 -0src/BuildingBlocks/EventBus/EventBusServiceBus/EventBusServiceBus.cs
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+17 -0src/BuildingBlocks/EventBus/EventBusServiceBus/EventBusServiceBus.csproj
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+14 -0src/BuildingBlocks/EventBus/EventBusServiceBus/IServiceBusPersisterConnection.cs
+ 52
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eShopOnContainers-ServicesAndWebApps.sln
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+ 49
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src/BuildingBlocks/EventBus/EventBusServiceBus/DefaultServiceBusPersisterConnection.cs
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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
- 0
src/BuildingBlocks/EventBus/EventBusServiceBus/EventBusServiceBus.cs
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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
- 0
src/BuildingBlocks/EventBus/EventBusServiceBus/EventBusServiceBus.csproj
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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
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src/BuildingBlocks/EventBus/EventBusServiceBus/IServiceBusPersisterConnection.cs
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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(); | |||
| } | |||
| } | |||