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Mogelijkheid voor het registreren van Cleanup middleware in Tapeti
This commit is contained in:
Menno van Lavieren 2017-10-13 13:07:41 +02:00
parent 70e04992dc
commit 06e1139840
6 changed files with 49 additions and 6 deletions
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13
Tapeti/Config/ICleanupMiddleware.cs Normal file
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@ -0,0 +1,13 @@
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Tapeti.Config
{
public interface ICleanupMiddleware
{
Task Handle(IMessageContext context, ConsumeResponse response);
}
}

1
Tapeti/Config/IConfig.cs
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@ -9,6 +9,7 @@ namespace Tapeti.Config
{
IDependencyResolver DependencyResolver { get; }
IReadOnlyList<IMessageMiddleware> MessageMiddleware { get; }
IReadOnlyList<ICleanupMiddleware> CleanupMiddleware { get; }
IReadOnlyList<IPublishMiddleware> PublishMiddleware { get; }
IEnumerable<IQueue> Queues { get; }

22
Tapeti/Connection/TapetiConsumer.cs
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@ -16,18 +16,20 @@ namespace Tapeti.Connection
private readonly string queueName;
private readonly IDependencyResolver dependencyResolver;
private readonly IReadOnlyList<IMessageMiddleware> messageMiddleware;
private readonly IReadOnlyList<ICleanupMiddleware> cleanupMiddleware;
private readonly List<IBinding> bindings;
private readonly ILogger logger;
private readonly IExceptionStrategy exceptionStrategy;
public TapetiConsumer(TapetiWorker worker, string queueName, IDependencyResolver dependencyResolver, IEnumerable<IBinding> bindings, IReadOnlyList<IMessageMiddleware> messageMiddleware)
public TapetiConsumer(TapetiWorker worker, string queueName, IDependencyResolver dependencyResolver, IEnumerable<IBinding> bindings, IReadOnlyList<IMessageMiddleware> messageMiddleware, IReadOnlyList<ICleanupMiddleware> cleanupMiddleware)
{
this.worker = worker;
this.queueName = queueName;
this.dependencyResolver = dependencyResolver;
this.messageMiddleware = messageMiddleware;
this.cleanupMiddleware = cleanupMiddleware;
this.bindings = bindings.ToList();
logger = dependencyResolver.Resolve<ILogger>();
@ -74,8 +76,7 @@ namespace Tapeti.Connection
}
try
{
// Cleanup handlers
//response = exceptionStrategy.HandleException(null, exception.SourceException);
await RunCleanup(context, response);
}
catch (Exception eCleanup)
{
@ -107,6 +108,21 @@ namespace Tapeti.Connection
});
}
private async Task RunCleanup(MessageContext context, ConsumeResponse response)
{
foreach(var handler in cleanupMiddleware)
{
try
{
await handler.Handle(context, response);
}
catch (Exception eCleanup)
{
logger.HandlerException(eCleanup);
}
}
}
private async Task DispatchMesage(MessageContext context, byte[] body)
{
var message = dependencyResolver.Resolve<IMessageSerializer>().Deserialize(body, context.Properties);

2
Tapeti/Connection/TapetiWorker.cs
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@ -57,7 +57,7 @@ namespace Tapeti.Connection
return taskQueue.Value.Add(async () =>
{
(await GetChannel()).BasicConsume(queueName, false, new TapetiConsumer(this, queueName, config.DependencyResolver, bindings, config.MessageMiddleware));
(await GetChannel()).BasicConsume(queueName, false, new TapetiConsumer(this, queueName, config.DependencyResolver, bindings, config.MessageMiddleware, config.CleanupMiddleware));
}).Unwrap();
}

1
Tapeti/Tapeti.csproj
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@ -53,6 +53,7 @@
<Reference Include="System.Xml" />
</ItemGroup>
<ItemGroup>
<Compile Include="Config\ICleanupMiddleware.cs" />
<Compile Include="Config\IPublishContext.cs" />
<Compile Include="Config\IMessageFilterMiddleware.cs" />
<Compile Include="Config\IPublishMiddleware.cs" />

16
Tapeti/TapetiConfig.cs
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@ -26,6 +26,7 @@ namespace Tapeti
private readonly List<IBindingMiddleware> bindingMiddleware = new List<IBindingMiddleware>();
private readonly List<IMessageMiddleware> messageMiddleware = new List<IMessageMiddleware>();
private readonly List<ICleanupMiddleware> cleanupMiddleware = new List<ICleanupMiddleware>();
private readonly List<IPublishMiddleware> publishMiddleware = new List<IPublishMiddleware>();
private readonly IDependencyResolver dependencyResolver;
@ -62,7 +63,7 @@ namespace Tapeti
queues.AddRange(dynamicBindings.Select(bl => new Queue(new QueueInfo { Dynamic = true }, bl)));
var config = new Config(dependencyResolver, messageMiddleware, publishMiddleware, queues);
var config = new Config(dependencyResolver, messageMiddleware, cleanupMiddleware, publishMiddleware, queues);
(dependencyResolver as IDependencyContainer)?.RegisterDefaultSingleton<IConfig>(config);
return config;
@ -83,6 +84,13 @@ namespace Tapeti
}
public TapetiConfig Use(ICleanupMiddleware handler)
{
cleanupMiddleware.Add(handler);
return this;
}
public TapetiConfig Use(IPublishMiddleware handler)
{
publishMiddleware.Add(handler);
@ -108,6 +116,8 @@ namespace Tapeti
Use((IBindingMiddleware)middleware);
else if (middleware is IMessageMiddleware)
Use((IMessageMiddleware)middleware);
else if (middleware is ICleanupMiddleware)
Use((ICleanupMiddleware)middleware);
else if (middleware is IPublishMiddleware)
Use((IPublishMiddleware)middleware);
else
@ -345,16 +355,18 @@ namespace Tapeti
{
public IDependencyResolver DependencyResolver { get; }
public IReadOnlyList<IMessageMiddleware> MessageMiddleware { get; }
public IReadOnlyList<ICleanupMiddleware> CleanupMiddleware { get; }
public IReadOnlyList<IPublishMiddleware> PublishMiddleware { get; }
public IEnumerable<IQueue> Queues { get; }
private readonly Dictionary<MethodInfo, IBinding> bindingMethodLookup;
public Config(IDependencyResolver dependencyResolver, IReadOnlyList<IMessageMiddleware> messageMiddleware, IReadOnlyList<IPublishMiddleware> publishMiddleware, IEnumerable<IQueue> queues)
public Config(IDependencyResolver dependencyResolver, IReadOnlyList<IMessageMiddleware> messageMiddleware, IReadOnlyList<ICleanupMiddleware> cleanupMiddleware, IReadOnlyList<IPublishMiddleware> publishMiddleware, IEnumerable<IQueue> queues)
{
DependencyResolver = dependencyResolver;
MessageMiddleware = messageMiddleware;
CleanupMiddleware = cleanupMiddleware;
PublishMiddleware = publishMiddleware;
Queues = queues.ToList();