public override void Build()
{
var hasher = new ProjectionHasher();
var builder = this as ISettingsBuilder;
var processorSettings = this as ISubscrptionMiddlewareSettings;
Func <SubscriptionMiddleware> messageHandlerProcessorFactory = () =>
{
var handlerFactory = new DefaultHandlerFactory(processorSettings.HandlerFactory);
var clusterServiceMiddleware = new SystemMiddleware(handlerFactory);
var middleware = processorSettings.HandleMiddleware(clusterServiceMiddleware);
var subscriptionMiddleware = new SubscriptionMiddleware();
var clusterSettings = builder.Container.Resolve <IClusterSettings>();
string nodeId = $"{clusterSettings.CurrentNodeName}@{clusterSettings.ClusterName}";
foreach (var reg in (this as ISubscrptionMiddlewareSettings).HandlerRegistrations)
{
string subscriberId = reg.FullName + "." + nodeId;
if (typeof(ISystemProjection).IsAssignableFrom(reg) && reg.IsClass)
{
subscriptionMiddleware.Subscribe(new SystemProjectionSubscriber(reg, middleware, subscriberId));
var transport = builder.Container.Resolve <ITransport>(builder.Name);
var serializer = builder.Container.Resolve <ISerializer>(null);
var publisher = transport.GetPublisher <ICommand>(serializer);
var projManagerId = new ProjectionVersionManagerId(reg.GetContractId());
var command = new RegisterProjection(projManagerId, hasher.CalculateHash(reg).ToString());
publisher.Publish(command);
}
}
return(subscriptionMiddleware);
};
builder.Container.RegisterSingleton <SubscriptionMiddleware>(() => messageHandlerProcessorFactory(), builder.Name);
}
public IEnumerable<EndpointDefinition> GetEndpointDefinition(IEndpointConsumer consumer, SubscriptionMiddleware subscriptionMiddleware)
{
Dictionary<string, HashSet<Type>> handlers = new Dictionary<string, HashSet<Type>>();
var subType = typeof(SubscriptionMiddleware);
foreach (var item in subscriptionMiddleware.Subscribers)
{
var messageHandlerType = subType.GetField("messageHandlerType", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic).GetValue(item) as Type;
if (!handlers.ContainsKey(item.Id))
handlers.Add(item.Id, new HashSet<Type>() { });
foreach (var messageType in item.MessageTypes)
{
handlers[item.Id].Add(messageType);
}
}
List<string> endpointNames = new List<string>();
foreach (var item in handlers)
{
var pipelineName = pipelineNameConvention.GetPipelineName(item.Value.First());
var routingHeaders = item.Value
.Distinct()
.ToDictionary<Type, string, object>(key => key.GetContractId(), val => String.Empty);
var bc = item.Value.First().GetBoundedContext().BoundedContextNamespace;
var endpointName = bc + "." + "(" + item.Key + ")";
if (endpointNames.Contains(endpointName))
throw new InvalidOperationException("Duplicatie endpoint name " + endpointName);
endpointNames.Add(endpointName);
yield return new EndpointDefinition(pipelineName, endpointName, routingHeaders);
}
}
public override void Build()
{
var builder = this as ISettingsBuilder;
var processorSettings = this as ISubscrptionMiddlewareSettings;
Func <SubscriptionMiddleware> messageHandlerProcessorFactory = () =>
{
var handlerFactory = new DefaultHandlerFactory(processorSettings.HandlerFactory);
var repository = builder.Container.Resolve <IAggregateRepository>(builder.Name);
var publisher = builder.Container.Resolve <IPublisher <IEvent> >(builder.Name);
//create extension methis UseApplicationMiddleware instead of instance here.
var applicationServiceMiddleware = new ApplicationServiceMiddleware(handlerFactory, repository, publisher);
var middleware = processorSettings.HandleMiddleware(applicationServiceMiddleware);
var subscriptionMiddleware = new SubscriptionMiddleware();
foreach (var reg in (this as ISubscrptionMiddlewareSettings).HandlerRegistrations)
{
if (typeof(IAggregateRootApplicationService).IsAssignableFrom(reg))
{
subscriptionMiddleware.Subscribe(new HandleSubscriber <IAggregateRootApplicationService, ICommandHandler <ICommand> >(reg, middleware));
}
}
return(subscriptionMiddleware);
};
builder.Container.RegisterSingleton <SubscriptionMiddleware>(() => messageHandlerProcessorFactory(), builder.Name);
}
public RabbitMqContiniousConsumerFactory(string consumerName, ISerializer serializer, IConnectionFactory connectionFactory, SubscriptionMiddleware middleware)
{
this.consumerName = consumerName;
this.serializer = serializer;
this.connectionFactory = connectionFactory;
this.middleware = middleware;
}
/// <summary>
/// Initializes a new instance of the <see cref="EndpointConsumer"/> class.
/// </summary>
/// <param name="transport">The transport.</param>
/// <param name="serializer">The serializer.</param>
/// <param name="messageThreshold">The message threshold.</param>
public EndpointConsumer(string name, IPipelineTransport transport, SubscriptionMiddleware subscriptions, ISerializer serializer, MessageThreshold messageThreshold = null)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentException("Invalid consumer name", nameof(name));
}
if (ReferenceEquals(null, transport))
{
throw new ArgumentNullException(nameof(transport));
}
if (ReferenceEquals(null, subscriptions))
{
throw new ArgumentNullException(nameof(subscriptions));
}
if (subscriptions.Subscribers.Count() == 0)
{
throw new ArgumentException("A consumer must have at least one subscriber to work properly.", nameof(subscriptions));
}
if (ReferenceEquals(null, serializer))
{
throw new ArgumentNullException(nameof(serializer));
}
this.Name = name;
NumberOfWorkers = 1;
this.subscriptions = subscriptions;
this.transport = transport;
this.serializer = serializer;
pools = new List <WorkPool>();
this.messageThreshold = messageThreshold ?? new MessageThreshold();
}
public PipelineConsumerWork(SubscriptionMiddleware subscriptions, IEndpoint endpoint, ISerializer serializer, MessageThreshold messageThreshold)
{
this.endpoint = endpoint;
this.subscriptions = subscriptions;
this.serializer = serializer;
this.messageThreshold = messageThreshold;
}
public override void Build()
{
var builder = this as ISettingsBuilder;
var processorSettings = this as ISubscrptionMiddlewareSettings;
Func <SubscriptionMiddleware> messageHandlerProcessorFactory = () =>
{
var handlerFactory = new DefaultHandlerFactory(processorSettings.HandlerFactory);
var publisher = builder.Container.Resolve <IPublisher <IEvent> >(builder.Name);
var repository = builder.Container.Resolve <IAggregateRepository>(builder.Name);
var systemServiceMiddleware = new ApplicationServiceMiddleware(handlerFactory, repository, publisher);
var middleware = processorSettings.HandleMiddleware(systemServiceMiddleware);
var subscriptionMiddleware = new SubscriptionMiddleware();
foreach (var reg in (this as ISubscrptionMiddlewareSettings).HandlerRegistrations)
{
if (typeof(ISystemService).IsAssignableFrom(reg) && reg.IsClass)
{
subscriptionMiddleware.Subscribe(new SystemServiceSubscriber(reg, middleware));
}
}
return(subscriptionMiddleware);
};
builder.Container.RegisterSingleton <SubscriptionMiddleware>(() => messageHandlerProcessorFactory(), builder.Name);
}
public override IEnumerable<EndpointDefinition> GetEndpointDefinition(IEndpointConsumer consumer, SubscriptionMiddleware subscriptionMiddleware)
{
var pipeLine = subscriptionMiddleware.Subscribers.Select(x => pipelineNameConvention.GetPipelineName(x.MessageTypes.First())).Distinct();
if (pipeLine.Count() == 0)
throw new ArgumentException("Cannot find pipeline to subscribe to.");
else if (pipeLine.Count() > 1)
throw new ArgumentException("Cannot subscribe to more than one pipeline. Probably you have mixed ICommand and IEvent messages within a single handler.");
var routingHeaders = subscriptionMiddleware.Subscribers.SelectMany(x => x.MessageTypes)
.Distinct()
.ToDictionary<Type, string, object>(key => key.GetContractId(), val => String.Empty);
EndpointDefinition endpointDefinition = new EndpointDefinition(pipeLine.Single(), consumer.Name, routingHeaders);
yield return endpointDefinition;
}
/// <summary>
/// Initializes a new instance of the <see cref="ReduxStore{T}" class/>
/// </summary>
/// <param name="reducer">Reducer to use for state transformations.</param>
/// <param name="initialStateFactory">Factory used to create the initial state of the application.</param>
public ReduxStore(
IReduxReducer <T> reducer,
IReduxStateFactory <T> initialStateFactory)
{
if (initialStateFactory is null)
{
throw new ArgumentNullException(nameof(initialStateFactory));
}
_subscriptions = new SubscriptionMiddleware(this);
_reducer = new ReducingMiddleware(
reducer ?? throw new ArgumentNullException(nameof(reducer)),
initialStateFactory.Create());
_processingQueue
= new Cached <ImmutableQueue <IReduxMiddleware> >(
CreateProcessingQueue);
}
public override void Build()
{
var builder = this as ISettingsBuilder;
var processorSettings = this as ISubscrptionMiddlewareSettings;
Func <SubscriptionMiddleware> messageHandlerProcessorFactory = () =>
{
var handlerFactory = new DefaultHandlerFactory(processorSettings.HandlerFactory);
var publisher = builder.Container.Resolve <IPublisher <ICommand> >(builder.Name);
var portsMiddleware = new PortsMiddleware(handlerFactory, publisher);
var middleware = processorSettings.HandleMiddleware(portsMiddleware);
var subscriptionMiddleware = new SubscriptionMiddleware();
foreach (var reg in (this as ISubscrptionMiddlewareSettings).HandlerRegistrations)
{
if (typeof(IPort).IsAssignableFrom(reg))
{
subscriptionMiddleware.Subscribe(new HandleSubscriber <IPort, IEventHandler <IEvent> >(reg, middleware));
}
}
return(subscriptionMiddleware);
};
builder.Container.RegisterSingleton <SubscriptionMiddleware>(() => messageHandlerProcessorFactory(), builder.Name);
}
public override void Build()
{
var hasher = new ProjectionHasher();
var builder = this as ISettingsBuilder;
var processorSettings = this as ISubscrptionMiddlewareSettings;
Func <SubscriptionMiddleware> messageHandlerProcessorFactory = () =>
{
var handlerFactory = new DefaultHandlerFactory(processorSettings.HandlerFactory);
// May be we want to have separate serializer + transport per type?!?!?
var transport = builder.Container.Resolve <ITransport>(builder.Name);
var serializer = builder.Container.Resolve <ISerializer>(null);
var publisher = transport.GetPublisher <ICommand>(serializer);
var projectionsMiddleware = new ProjectionsMiddleware(handlerFactory);
var middleware = processorSettings.HandleMiddleware(projectionsMiddleware);
var subscriptionMiddleware = new SubscriptionMiddleware();
var iProjection = typeof(IProjection);
foreach (var handler in processorSettings.HandlerRegistrations)
{
if (iProjection.IsAssignableFrom(handler))
{
subscriptionMiddleware.Subscribe(new HandlerSubscriber <IProjection, IEventHandler <IEvent> >(handler, middleware));
var projManagerId = new ProjectionVersionManagerId(handler.GetContractId());
var command = new RegisterProjection(projManagerId, hasher.CalculateHash(handler).ToString());
publisher.Publish(command);
}
}
var indexSubscriber = builder.Container.Resolve <EventTypeIndexForProjections>();
subscriptionMiddleware.Subscribe(indexSubscriber);
return(subscriptionMiddleware);
};
builder.Container.RegisterSingleton <SubscriptionMiddleware>(() => messageHandlerProcessorFactory(), builder.Name);
}
public QueueingBasicConsumerWithManagedConnection(IConnectionFactory connectionFactory, SubscriptionMiddleware middleware, string consumerName)
{
this.connectionFactory = connectionFactory;
this.middleware = middleware;
this.consumerName = consumerName;
}
public abstract System.Collections.Generic.IEnumerable <EndpointDefinition> GetEndpointDefinition(IEndpointConsumer consumer, SubscriptionMiddleware subscriptionMiddleware);
public IEnumerable <EndpointDefinition> GetEndpointDefinition(IEndpointConsumer consumer, SubscriptionMiddleware subscriptionMiddleware)
{
return(endpointNameConvention.GetEndpointDefinition(consumer, subscriptionMiddleware));
}
public RabbitMqContinuousConsumer(string consumerName, ISerializer serializer, IConnectionFactory connectionFactory, SubscriptionMiddleware middleware) : base(middleware)
{
this.deliveryTags = new Dictionary <Guid, ulong>();
this.serializer = serializer;
this.consumer = new QueueingBasicConsumerWithManagedConnection(connectionFactory, middleware, consumerName);
}
public IEnumerable<EndpointDefinition> GetEndpointDefinition(IEndpointConsumer consumer, SubscriptionMiddleware subscriptionMiddleware)
{
yield return endpoint;
}
public IEnumerable <EndpointDefinition> GetEndpointDefinition(IEndpointConsumer consumer, SubscriptionMiddleware subscriptionMiddleware)
{
Dictionary <string, HashSet <Type> > handlers = new Dictionary <string, HashSet <Type> >();
var subType = typeof(SubscriptionMiddleware);
foreach (var item in subscriptionMiddleware.Subscribers)
{
var messageHandlerType = subType.GetField("messageHandlerType", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic).GetValue(item) as Type;
if (!handlers.ContainsKey(item.Id))
{
handlers.Add(item.Id, new HashSet <Type>()
{
});
}
foreach (var messageType in item.MessageTypes)
{
handlers[item.Id].Add(messageType);
}
}
List <string> endpointNames = new List <string>();
foreach (var item in handlers)
{
var pipelineName = pipelineNameConvention.GetPipelineName(item.Value.First());
var watchMessageTypes = item.Value.Distinct().Select(x => x.GetContractId()).ToList();
var bc = item.Value.First().GetBoundedContext().BoundedContextNamespace;
var endpointName = bc + "." + "(" + item.Key + ")";
if (endpointNames.Contains(endpointName))
{
throw new InvalidOperationException("Duplicatie endpoint name " + endpointName);
}
endpointNames.Add(endpointName);
yield return(new EndpointDefinition(pipelineName, endpointName, watchMessageTypes));
}
}
public override IEnumerable <EndpointDefinition> GetEndpointDefinition(IEndpointConsumer consumer, SubscriptionMiddleware subscriptionMiddleware)
{
var pipeLine = subscriptionMiddleware.Subscribers.Select(x => pipelineNameConvention.GetPipelineName(x.MessageTypes.First())).Distinct();
if (pipeLine.Count() == 0)
{
throw new ArgumentException("Cannot find pipeline to subscribe to.");
}
else if (pipeLine.Count() > 1)
{
throw new ArgumentException("Cannot subscribe to more than one pipeline. Probably you have mixed ICommand and IEvent messages within a single handler.");
}
var watchMessageTypes = subscriptionMiddleware.Subscribers.SelectMany(x => x.MessageTypes).Distinct().Select(x => x.GetContractId()).ToList();
EndpointDefinition endpointDefinition = new EndpointDefinition(pipeLine.Single(), consumer.Name, watchMessageTypes);
yield return(endpointDefinition);
}
public InMemoryPublisher(SubscriptionMiddleware messageProcessor)
{
this.subscribtions = messageProcessor;
}
public IEnumerable<EndpointDefinition> GetEndpointDefinition(IEndpointConsumer consumer, SubscriptionMiddleware subscriptionMiddleware)
{
return endpointNameConvention.GetEndpointDefinition(consumer, subscriptionMiddleware);
}
public IEnumerable <IConsumerFactory> GetAvailableConsumers(ISerializer serializer, SubscriptionMiddleware subscriptions, string consumerName)
{
var messageType = subscriptions.Subscribers.FirstOrDefault().GetInvolvedMessageTypes().FirstOrDefault();
var name = RabbitMqNamer.GetBoundedContext(messageType).ProductNamespace + "." + consumerName;
//foreach (var item in subscriptions.Subscribers)
{
yield return(new RabbitMqContiniousConsumerFactory(name, serializer, connectionFactory, subscriptions));
}
}
public ContinuousConsumer(SubscriptionMiddleware subscriptions)
{
this.subscriptions = subscriptions;
isRunning = true;
}
