public virtual void ReceiveEvent(IEvent <TAuthenticationToken> @event)
{
switch (@event.Framework)
{
case FrameworkType.Akka:
Logger.LogInfo(string.Format("An event arrived of the type '{0}' but was marked as coming from the '{1}' framework, so it was dropped.", @event.GetType().FullName, @event.Framework));
return;
}
CorrelationIdHelper.SetCorrelationId(@event.CorrelationId);
AuthenticationTokenHelper.SetAuthenticationToken(@event.AuthenticationToken);
Type eventType = @event.GetType();
bool isRequired = BusHelper.IsEventRequired(eventType);
IEnumerable <Action <IMessage> > handlers = Routes.GetHandlers(@event, isRequired).Select(x => x.Delegate).ToList();
// This check doesn't require an isRequired check as there will be an exception raised above and handled below.
if (!handlers.Any())
{
Logger.LogDebug(string.Format("The event handler for '{0}' is not required.", eventType.FullName));
}
foreach (Action <IMessage> handler in handlers)
{
handler(@event);
}
}
public virtual void Add_ValidProjectionView_ProjectionViewCanBeRetreived()
{
// Arrange
var correlationIdHelper = new CorrelationIdHelper(new ContextItemCollectionFactory());
correlationIdHelper.SetCorrelationId(Guid.NewGuid());
var logger = new ConsoleLogger(new LoggerSettingsConfigurationSection(), correlationIdHelper);
TableStorageDataStore <TestEvent> dataStore = CreateDataStore <TestEvent>(logger, new ConfigurationManager());
var event1 = new TestEvent
{
Rsn = Guid.NewGuid(),
Id = Guid.NewGuid(),
CorrelationId = correlationIdHelper.GetCorrelationId(),
Frameworks = new List <string> {
"Test 1"
},
TimeStamp = DateTimeOffset.UtcNow
};
// Act
dataStore.Add(event1);
// Assert
var timer = new Stopwatch();
var repository = new TableStorageRepository <TestQueryStrategy, TestQueryBuilder <TestEvent>, TestEvent>(() => dataStore, null);
timer.Start();
TestEvent view = repository.Load(event1.Rsn);
timer.Stop();
Console.WriteLine("Load operation took {0}", timer.Elapsed);
Assert.IsNotNull(view);
Assert.AreEqual(event1.Id, view.Id);
}
protected virtual void StartSettingsChecking()
{
Guid currentCorrelationId;
try
{
currentCorrelationId = CorrelationIdHelper.GetCorrelationId();
}
catch (Exception)
{
currentCorrelationId = Guid.NewGuid();
}
Task.Factory.StartNew(() =>
{
// New thread remember
CorrelationIdHelper.SetCorrelationId(currentCorrelationId);
SpinWait.SpinUntil(ValidateSettingsHaveChanged, sleepInMilliseconds: 1000);
Logger.LogInfo("Connecting string settings for the Azure Service Bus changed and will now refresh.");
// Update the connection string and trigger a restart;
if (ValidateSettingsHaveChanged())
{
TriggerSettingsChecking();
}
});
}
public virtual void Save_ValidProjectionView_ProjectionViewCanBeRetreived()
{
// Arrange
var correlationIdHelper = new CorrelationIdHelper(new ThreadedContextItemCollectionFactory());
correlationIdHelper.SetCorrelationId(Guid.NewGuid());
var logger = new ConsoleLogger(new LoggerSettingsConfigurationSection(), correlationIdHelper);
var dataStore = new BlobStorageDataStore <TestEvent>(logger, new BlobStorageDataStoreConnectionStringFactory(new ConfigurationManager(), logger));
var event1 = new TestEvent
{
Rsn = Guid.NewGuid(),
Id = Guid.NewGuid(),
CorrelationId = correlationIdHelper.GetCorrelationId(),
Frameworks = new List <string> {
"Test 1"
},
TimeStamp = DateTimeOffset.UtcNow
};
// Act
dataStore.Add(event1);
// Assert
var timer = new Stopwatch();
timer.Start();
TestEvent view = dataStore.GetByName(event1.Rsn);
timer.Stop();
Console.WriteLine("Load operation took {0}", timer.Elapsed);
Assert.IsNotNull(view);
Assert.AreEqual(event1.Id, view.Id);
}
public virtual void Add_ValidProjectionEntityView_ProjectionEntityViewCanBeRetreived()
{
// Arrange
var correlationIdHelper = new CorrelationIdHelper(new ThreadedContextItemCollectionFactory());
correlationIdHelper.SetCorrelationId(Guid.NewGuid());
var logger = new ConsoleLogger(new LoggerSettingsConfigurationSection(), correlationIdHelper);
TableStorageDataStore <TestEntity> dataStore = CreateDataStore <TestEntity>(logger, new ConfigurationManager());
var event1 = new TestEntity
{
Rsn = Guid.NewGuid(),
Name = "Name"
};
// Act
dataStore.Add(event1);
// Assert
var timer = new Stopwatch();
var repository = new TableStorageRepository <TestQueryStrategy, TestQueryBuilder <TestEntity>, TestEntity>(() => dataStore, null);
timer.Start();
TestEntity view = repository.Load(event1.Rsn);
timer.Stop();
Console.WriteLine("Load operation took {0}", timer.Elapsed);
Assert.IsNotNull(view);
Assert.AreEqual(event1.Rsn, view.Rsn);
Assert.AreEqual(event1.Name, view.Name);
}
/// <summary>
/// Get all <see cref="MessageEntity">messages</see> for the provided conversation.
/// </summary>
public virtual IServiceResponseWithResultData <IEnumerable <MessageEntity> > GetMessages(IServiceRequestWithData <Guid, ConversationParameters> serviceRequest)
{
AuthenticationTokenHelper.SetAuthenticationToken(serviceRequest.AuthenticationToken);
CorrelationIdHelper.SetCorrelationId(serviceRequest.CorrelationId);
Guid conversationRsn = serviceRequest.Data.ConversationRsn;
// Define Query
ICollectionResultQuery <MessageQueryStrategy, MessageEntity> query = QueryFactory.CreateNewCollectionResultQuery <MessageQueryStrategy, MessageEntity>();
query.QueryStrategy.WithConversationRsn(conversationRsn);
query.QueryStrategy.OrderByDatePosted();
// Retrieve Data
query = MessageRepository.Retrieve(query);
IEnumerable <MessageEntity> queryResults = query.Result.ToList();
var responseData = new ServiceResponseWithResultData <IEnumerable <MessageEntity> >
{
State = ServiceResponseStateType.Succeeded,
ResultData = queryResults
};
// Complete the response
ServiceResponseWithResultData <IEnumerable <MessageEntity> > response = CompleteResponse(responseData);
if (!queryResults.Any())
{
response.State = ServiceResponseStateType.EntityNotFound;
}
return(response);
}
public virtual void ReceiveCommand(ICommand <TAuthenticationToken> command)
{
Type commandType = command.GetType();
switch (command.Framework)
{
case FrameworkType.Akka:
Logger.LogInfo(string.Format("A command arrived of the type '{0}' but was marked as coming from the '{1}' framework, so it was dropped.", commandType.FullName, command.Framework));
return;
}
CorrelationIdHelper.SetCorrelationId(command.CorrelationId);
AuthenticationTokenHelper.SetAuthenticationToken(command.AuthenticationToken);
bool isRequired;
if (!ConfigurationManager.TryGetSetting(string.Format("{0}.IsRequired", commandType.FullName), out isRequired))
{
isRequired = true;
}
RouteHandlerDelegate commandHandler = Routes.GetSingleHandler(command, isRequired);
// This check doesn't require an isRequired check as there will be an exception raised above and handled below.
if (commandHandler == null)
{
Logger.LogDebug(string.Format("The command handler for '{0}' is not required.", commandType.FullName));
return;
}
Action <IMessage> handler = commandHandler.Delegate;
handler(command);
}
/// <summary>
/// Delete an existing conversation.
/// </summary>
public virtual IServiceResponse DeleteConversation(IServiceRequestWithData <Guid, ConversationParameters> serviceRequest)
{
AuthenticationTokenHelper.SetAuthenticationToken(serviceRequest.AuthenticationToken);
CorrelationIdHelper.SetCorrelationId(serviceRequest.CorrelationId);
var responseData = new ServiceResponse();
var command = new DeleteConversation
{
Rsn = serviceRequest.Data.ConversationRsn
};
try
{
CommandPublisher.Publish(command);
responseData.State = ServiceResponseStateType.Succeeded;
}
catch (Exception)
{
responseData.State = ServiceResponseStateType.Unknown;
}
// Complete the response
return(CompleteResponse(responseData));
}
/// <summary>
/// Get all <see cref="ConversationSummaryEntity">conversations</see>.
/// </summary>
public virtual IServiceResponseWithResultData <IEnumerable <ConversationSummaryEntity> > Get(IServiceRequest <Guid> serviceRequest)
{
AuthenticationTokenHelper.SetAuthenticationToken(serviceRequest.AuthenticationToken);
CorrelationIdHelper.SetCorrelationId(serviceRequest.CorrelationId);
// Define Query
ICollectionResultQuery <ConversationSummaryQueryStrategy, ConversationSummaryEntity> query = QueryFactory.CreateNewCollectionResultQuery <ConversationSummaryQueryStrategy, ConversationSummaryEntity>();
query.QueryStrategy.WithNoDeletedConversations();
// Retrieve Data
query = ConversationSummaryRepository.Retrieve(query);
IEnumerable <ConversationSummaryEntity> queryResults = query.Result;
var responseData = new ServiceResponseWithResultData <IEnumerable <ConversationSummaryEntity> >
{
State = ServiceResponseStateType.Succeeded,
ResultData = queryResults
};
// Complete the response
ServiceResponseWithResultData <IEnumerable <ConversationSummaryEntity> > response = CompleteResponse(responseData);
return(response);
}
/// <summary>
/// Executes the provided <paramref name="action"/> passing it the provided <paramref name="command"/>,
/// then calls <see cref="AggregateRepository{TAuthenticationToken}.PublishEvent"/>
/// </summary>
protected virtual void Execute <TCommand>(Action <TCommand> action, TCommand command)
where TCommand : ICommand <TAuthenticationToken>
{
Type baseType = GetType().BaseType;
UnitOfWork.Add(this, baseType != null && baseType.Name == typeof(AkkaSnapshotAggregateRoot <,>).Name);
try
{
AuthenticationTokenHelper.SetAuthenticationToken(command.AuthenticationToken);
CorrelationIdHelper.SetCorrelationId(command.CorrelationId);
action(command);
UnitOfWork.Commit();
Sender.Tell(true, Self);
}
catch (Exception exception)
{
Logger.LogError("Executing an Akka.net request failed.", exception: exception, metaData: new Dictionary <string, object> {
{ "Type", GetType() }, { "Command", command }
});
Sender.Tell(false, Self);
throw;
}
}
/// <summary>
/// Update the name of an existing conversation.
/// </summary>
public virtual IServiceResponse UpdateConversation(IServiceRequestWithData <Guid, UpdateConversationParameters> serviceRequest)
{
AuthenticationTokenHelper.SetAuthenticationToken(serviceRequest.AuthenticationToken);
CorrelationIdHelper.SetCorrelationId(serviceRequest.CorrelationId);
var responseData = new ServiceResponse
{
State = ServiceResponseStateType.FailedValidation
};
if (string.IsNullOrWhiteSpace(serviceRequest.Data.Name))
{
return(CompleteResponse(responseData));
}
var command = new UpdateConversation
{
Rsn = serviceRequest.Data.ConversationRsn,
Name = serviceRequest.Data.Name
};
try
{
CommandPublisher.Publish(command);
responseData.State = ServiceResponseStateType.Succeeded;
}
catch (Exception)
{
responseData.State = ServiceResponseStateType.Unknown;
}
// Complete the response
return(CompleteResponse(responseData));
}
/// <summary>
/// The default command handler that
/// check if the <see cref="ICommand{TAuthenticationToken}"/> has already been processed by this framework,
/// checks if the <see cref="ICommand{TAuthenticationToken}"/> is required,
/// finds the handler from the provided <paramref name="routeManager"/>.
/// </summary>
/// <param name="command">The <see cref="ICommand{TAuthenticationToken}"/> to process.</param>
/// <param name="routeManager">The <see cref="RouteManager"/> to get the <see cref="ICommandHandler{TAuthenticationToken,TCommand}"/> from.</param>
/// <param name="framework">The current framework.</param>
/// <returns>
/// True indicates the <paramref name="command"/> was successfully handled by a handler.
/// False indicates the <paramref name="command"/> wasn't handled, but didn't throw an error, so by convention, that means it was skipped.
/// Null indicates the command<paramref name="command"/> wasn't handled as it was already handled.
/// </returns>
public virtual bool?DefaultReceiveCommand(ICommand <TAuthenticationToken> command, RouteManager routeManager, string framework)
{
Type commandType = command.GetType();
if (command.Frameworks != null && command.Frameworks.Contains(framework))
{
// if this is the only framework in the list, then it's fine to handle as it's just pre-stamped, if there is more than one framework, then exit.
if (command.Frameworks.Count() != 1)
{
Logger.LogInfo("The provided command has already been processed in Azure.", string.Format("{0}\\DefaultReceiveCommand({1})", GetType().FullName, commandType.FullName));
return(null);
}
}
CorrelationIdHelper.SetCorrelationId(command.CorrelationId);
AuthenticationTokenHelper.SetAuthenticationToken(command.AuthenticationToken);
bool isRequired = BusHelper.IsEventRequired(commandType);
RouteHandlerDelegate commandHandler = routeManager.GetSingleHandler(command, isRequired);
// This check doesn't require an isRequired check as there will be an exception raised above and handled below.
if (commandHandler == null)
{
Logger.LogDebug(string.Format("The command handler for '{0}' is not required.", commandType.FullName));
return(false);
}
Action <IMessage> handler = commandHandler.Delegate;
handler(command);
return(true);
}
/// <summary>
/// The default event handler that
/// check if the <see cref="IEvent{TAuthenticationToken}"/> has already been processed by this framework,
/// checks if the <see cref="IEvent{TAuthenticationToken}"/> is required,
/// finds the handler from the provided <paramref name="routeManager"/>.
/// </summary>
/// <param name="event">The <see cref="IEvent{TAuthenticationToken}"/> to process.</param>
/// <param name="routeManager">The <see cref="RouteManager"/> to get the <see cref="IEventHandler{TAuthenticationToken,TCommand}"/> from.</param>
/// <param name="framework">The current framework.</param>
/// <returns>
/// True indicates the <paramref name="event"/> was successfully handled by a handler.
/// False indicates the <paramref name="event"/> wasn't handled, but didn't throw an error, so by convention, that means it was skipped.
/// Null indicates the <paramref name="event"/> wasn't handled as it was already handled.
/// </returns>
public virtual bool?DefaultReceiveEvent(IEvent <TAuthenticationToken> @event, RouteManager routeManager, string framework)
{
Type eventType = @event.GetType();
if (@event.Frameworks != null && @event.Frameworks.Contains(framework))
{
// if this is the only framework in the list, then it's fine to handle as it's just pre-stamped, if there is more than one framework, then exit.
if (@event.Frameworks.Count() != 1)
{
Logger.LogInfo("The provided event has already been processed in Azure.", string.Format("{0}\\DefaultReceiveEvent({1})", GetType().FullName, eventType.FullName));
return(null);
}
}
CorrelationIdHelper.SetCorrelationId(@event.CorrelationId);
AuthenticationTokenHelper.SetAuthenticationToken(@event.AuthenticationToken);
bool isRequired = BusHelper.IsEventRequired(eventType);
IEnumerable <Action <IMessage> > handlers = routeManager.GetHandlers(@event, isRequired).Select(x => x.Delegate).ToList();
// This check doesn't require an isRequired check as there will be an exception raised above and handled below.
if (!handlers.Any())
{
Logger.LogDebug(string.Format("The event handler for '{0}' is not required.", eventType.FullName));
return(false);
}
foreach (Action <IMessage> handler in handlers)
{
handler(@event);
}
return(true);
}
public virtual void DefaultReceiveCommand(ICommand <TAuthenticationToken> command, RouteManager routeManager, string framework)
{
Type commandType = command.GetType();
if (command.Frameworks != null && command.Frameworks.Contains(framework))
{
Logger.LogInfo("The provided command has already been processed in Azure.", string.Format("{0}\\DefaultReceiveCommand({1})", GetType().FullName, commandType.FullName));
return;
}
CorrelationIdHelper.SetCorrelationId(command.CorrelationId);
AuthenticationTokenHelper.SetAuthenticationToken(command.AuthenticationToken);
bool isRequired = BusHelper.IsEventRequired(commandType);
RouteHandlerDelegate commandHandler = routeManager.GetSingleHandler(command, isRequired);
// This check doesn't require an isRequired check as there will be an exception raised above and handled below.
if (commandHandler == null)
{
Logger.LogDebug(string.Format("The command handler for '{0}' is not required.", commandType.FullName));
return;
}
Action <IMessage> handler = commandHandler.Delegate;
handler(command);
}
public virtual void Save_ValidEvent_EventCanBeRetreived()
{
// Arrange
var correlationIdHelper = new CorrelationIdHelper(new ContextItemCollectionFactory());
correlationIdHelper.SetCorrelationId(Guid.NewGuid());
var logger = new ConsoleLogger(new LoggerSettingsConfigurationSection(), correlationIdHelper);
var eventStore = CreateEventStore(new DefaultEventBuilder <Guid>(), new EventDeserialiser <Guid>(), logger, new TableStorageEventStoreConnectionStringFactory(new ConfigurationManager(), logger));
var event1 = new TestEvent
{
Rsn = Guid.NewGuid(),
Id = Guid.NewGuid(),
CorrelationId = correlationIdHelper.GetCorrelationId(),
Frameworks = new List <string> {
"Test 1"
},
TimeStamp = DateTimeOffset.UtcNow
};
var event2 = new TestEvent
{
Rsn = Guid.NewGuid(),
Id = Guid.NewGuid(),
CorrelationId = correlationIdHelper.GetCorrelationId(),
Frameworks = new List <string> {
"Test 2"
},
TimeStamp = DateTimeOffset.UtcNow
};
// Act
eventStore.Save <TestEvent>(event1);
eventStore.Save <TestEvent>(event2);
// Assert
var timer = new Stopwatch();
IList <IEvent <Guid> > events = eventStore.Get <TestEvent>(event1.Id).ToList();
timer.Stop();
Console.WriteLine("Load one operation took {0}", timer.Elapsed);
Assert.AreEqual(1, events.Count);
Assert.AreEqual(event1.Id, events.Single().Id);
Assert.AreEqual(event1.Frameworks.Single(), events.Single().Frameworks.Single());
timer.Restart();
events = eventStore.Get <TestEvent>(event2.Id).ToList();
timer.Stop();
Console.WriteLine("Load one operation took {0}", timer.Elapsed);
Assert.AreEqual(1, events.Count);
Assert.AreEqual(event2.Id, events.Single().Id);
Assert.AreEqual(event2.Frameworks.Single(), events.Single().Frameworks.Single());
timer.Restart();
IList <EventData> correlatedEvents = eventStore.Get(event1.CorrelationId).ToList();
timer.Stop();
Console.WriteLine("Load several correlated operation took {0}", timer.Elapsed);
Assert.AreEqual(2, correlatedEvents.Count);
}
protected override void ReceiveCommand(IMessageReceiver client, BrokeredMessage message)
#endif
{
try
{
Logger.LogDebug(string.Format("A command message arrived with the id '{0}'.", message.MessageId));
string messageBody = message.GetBodyAsString();
ICommand <TAuthenticationToken> command = MessageSerialiser.DeserialiseCommand(messageBody);
CorrelationIdHelper.SetCorrelationId(command.CorrelationId);
#if NET452
string topicPath = serviceBusReceiver == null ? "UNKNOWN" : serviceBusReceiver.TopicPath;
#endif
#if NETSTANDARD2_0
string topicPath = client == null ? "UNKNOWN" : client.Path;
#endif
Logger.LogInfo($"A command message arrived from topic {topicPath} with the {message.MessageId} was of type {command.GetType().FullName}.");
Type commandType = command.GetType();
string targetQueueName = commandType.FullName;
try
{
object rsn = commandType.GetProperty("Rsn").GetValue(command, null);
targetQueueName = string.Format("{0}.{1}", targetQueueName, rsn);
}
catch
{
Logger.LogDebug(string.Format("A command message arrived with the id '{0}' was of type {1} but with no Rsn property.", message.MessageId, commandType));
// Do nothing if there is no rsn. Just use command type name
}
CreateQueueAndAttachListenerIfNotExist(targetQueueName);
EnqueueCommand(targetQueueName, command);
// remove the original message from the incoming queue
#if NET452
message.Complete();
#endif
#if NETSTANDARD2_0
client.CompleteAsync(message.SystemProperties.LockToken).Wait(1500);
#endif
Logger.LogDebug(string.Format("A command message arrived and was processed with the id '{0}'.", message.MessageId));
}
catch (Exception exception)
{
// Indicates a problem, unlock message in queue
Logger.LogError(string.Format("A command message arrived with the id '{0}' but failed to be process.", message.MessageId), exception: exception);
#if NET452
message.Abandon();
#endif
#if NETSTANDARD2_0
client.AbandonAsync(message.SystemProperties.LockToken).Wait(1500);
#endif
}
}
protected void DequeuAndProcessCommand(string queueName)
{
while (true)
{
try
{
ConcurrentQueue <ICommand <TAuthenticationToken> > queue;
if (QueueTracker.TryGetValue(queueName, out queue))
{
while (!queue.IsEmpty)
{
ICommand <TAuthenticationToken> command;
if (queue.TryDequeue(out command))
{
try
{
CorrelationIdHelper.SetCorrelationId(command.CorrelationId);
}
catch (Exception exception)
{
Logger.LogError(string.Format("Trying to set the CorrelationId from the command type {1} for a request for the queue '{0}' failed.", queueName, command.GetType()), exception: exception);
}
try
{
AuthenticationTokenHelper.SetAuthenticationToken(command.AuthenticationToken);
}
catch (Exception exception)
{
Logger.LogError(string.Format("Trying to set the AuthenticationToken from the command type {1} for a request for the queue '{0}' failed.", queueName, command.GetType()), exception: exception);
}
try
{
ReceiveCommand(command);
}
catch (Exception exception)
{
Logger.LogError(string.Format("Processing the command type {1} for a request for the queue '{0}' failed.", queueName, command.GetType()), exception: exception);
queue.Enqueue(command);
}
}
else
{
Logger.LogDebug(string.Format("Trying to dequeue a command from the queue '{0}' failed.", queueName));
}
}
}
else
{
Logger.LogDebug(string.Format("Trying to find the queue '{0}' failed.", queueName));
}
Thread.Sleep(100);
}
catch (Exception exception)
{
Logger.LogError(string.Format("Dequeuing and processing a request for the queue '{0}' failed.", queueName), exception: exception);
}
}
}
public virtual IServiceResponseWithResultData <Entities.InventoryItemEntity> GetByRsn(IServiceRequestWithData <Cqrs.Authentication.ISingleSignOnToken, InventoryItemServiceGetByRsnParameters> serviceRequest)
{
AuthenticationTokenHelper.SetAuthenticationToken(serviceRequest.AuthenticationToken);
CorrelationIdHelper.SetCorrelationId(serviceRequest.CorrelationId);
IServiceResponseWithResultData <Entities.InventoryItemEntity> results = null;
OnGetByRsn(serviceRequest, ref results);
return(CompleteResponse(results));
}
public virtual IServiceResponseWithResultData <IEnumerable <Entities.OrderEntity> > GetAllOrders(IServiceRequestWithData <Cqrs.Authentication.ISingleSignOnToken, OrderServiceGetAllOrdersParameters> serviceRequest)
{
AuthenticationTokenHelper.SetAuthenticationToken(serviceRequest.AuthenticationToken);
CorrelationIdHelper.SetCorrelationId(serviceRequest.CorrelationId);
IServiceResponseWithResultData <IEnumerable <Entities.OrderEntity> > results = null;
OnGetAllOrders(serviceRequest, ref results);
return(CompleteResponse(results));
}
public virtual IServiceResponse Deactivate(IServiceRequestWithData <Cqrs.Authentication.ISingleSignOnToken, InventoryItemServiceDeactivateParameters> serviceRequest)
{
AuthenticationTokenHelper.SetAuthenticationToken(serviceRequest.AuthenticationToken);
CorrelationIdHelper.SetCorrelationId(serviceRequest.CorrelationId);
IServiceResponse results = null;
OnDeactivate(serviceRequest, ref results);
return(CompleteResponse(results));
}
public virtual bool?ReceiveCommand(ICommand <TAuthenticationToken> command)
{
CorrelationIdHelper.SetCorrelationId(command.CorrelationId);
AuthenticationTokenHelper.SetAuthenticationToken(command.AuthenticationToken);
Type commandType = command.GetType();
bool response = true;
bool isRequired = BusHelper.IsEventRequired(commandType);
IList <Action <IMessage> > handlers;
if (Routes.TryGetValue(commandType, out handlers))
{
if (handlers != null)
{
if (handlers.Count != 1)
{
throw new MultipleCommandHandlersRegisteredException(commandType);
}
if (handlers.Count == 1)
{
handlers.Single()(command);
}
else if (isRequired)
{
throw new NoCommandHandlerRegisteredException(commandType);
}
else
{
response = false;
}
}
else if (isRequired)
{
throw new NoCommandHandlerRegisteredException(commandType);
}
else
{
response = false;
}
}
else if (isRequired)
{
throw new NoCommandHandlerRegisteredException(commandType);
}
else
{
response = false;
}
return(response);
}
protected override void ReceiveEvent(IMessageReceiver client, BrokeredMessage message)
#endif
{
try
{
Logger.LogDebug(string.Format("An event message arrived with the id '{0}'.", message.MessageId));
string messageBody = message.GetBodyAsString();
IEvent <TAuthenticationToken> @event = MessageSerialiser.DeserialiseEvent(messageBody);
CorrelationIdHelper.SetCorrelationId(@event.CorrelationId);
Logger.LogInfo(string.Format("An event message arrived with the id '{0}' was of type {1}.", message.MessageId, @event.GetType().FullName));
Type eventType = @event.GetType();
string targetQueueName = eventType.FullName;
try
{
object rsn = eventType.GetProperty("Rsn").GetValue(@event, null);
targetQueueName = string.Format("{0}.{1}", targetQueueName, rsn);
}
catch
{
Logger.LogDebug(string.Format("An event message arrived with the id '{0}' was of type {1} but with no Rsn property.", message.MessageId, eventType));
// Do nothing if there is no rsn. Just use @event type name
}
CreateQueueAndAttachListenerIfNotExist(targetQueueName);
EnqueueEvent(targetQueueName, @event);
// remove the original message from the incoming queue
#if NET452
message.Complete();
#endif
#if NETSTANDARD2_0
client.CompleteAsync(message.SystemProperties.LockToken).Wait(1500);
#endif
Logger.LogDebug(string.Format("An event message arrived and was processed with the id '{0}'.", message.MessageId));
}
catch (Exception exception)
{
// Indicates a problem, unlock message in queue
Logger.LogError(string.Format("An event message arrived with the id '{0}' but failed to be process.", message.MessageId), exception: exception);
#if NET452
message.Abandon();
#endif
#if NETSTANDARD2_0
client.AbandonAsync(message.SystemProperties.LockToken).Wait(1500);
#endif
}
}
// Run every 15 minutes in release mode
public static void Run([TimerTrigger("0 1/15 * * * *")] TimerInfo myTimer, Microsoft.Extensions.Logging.ILogger _logger, ExecutionContext context)
#endif
{
if (CommandPublisher == null)
{
PreapreOnce(context);
}
CorrelationIdHelper.SetCorrelationId(Guid.NewGuid());
CommandPublisher.Publish(new PublishTimeZonesCommand());
Console.WriteLine($"Published.");
Logger.LogInfo($"Published.");
}
public void Add_ValidProjectionView_ProjectionViewCanBeRetreived()
{
// Arrange
var correlationIdHelper = new CorrelationIdHelper(new ThreadedContextItemCollectionFactory());
correlationIdHelper.SetCorrelationId(Guid.NewGuid());
var logger = new ConsoleLogger(new LoggerSettings(), correlationIdHelper);
var connectionStringFactory = new TestMongoDataStoreConnectionStringFactory();
TestMongoDataStoreConnectionStringFactory.DatabaseName = string.Format("Test-{0}", new Random().Next(0, 9999));
var factory = new TestMongoDbDataStoreFactory(logger, connectionStringFactory);
IMongoCollection <TestEvent> collection = factory.GetTestEventCollection();
try
{
// Arrange
var dataStore = new MongoDbDataStore <TestEvent>(logger, collection);
var event1 = new TestEvent
{
Rsn = Guid.NewGuid(),
Id = Guid.NewGuid(),
CorrelationId = correlationIdHelper.GetCorrelationId(),
Frameworks = new List <string> {
"Test 1"
},
TimeStamp = DateTimeOffset.UtcNow
};
// Act
dataStore.Add(event1);
// Assert
var timer = new Stopwatch();
timer.Start();
TestEvent view = dataStore.SingleOrDefault(e => e.Rsn == event1.Rsn);
timer.Stop();
Console.WriteLine("Load operation took {0}", timer.Elapsed);
Assert.IsNotNull(view);
Assert.AreEqual(event1.Id, view.Id);
}
finally
{
// Clean-up
collection.Database.Client.DropDatabase(TestMongoDataStoreConnectionStringFactory.DatabaseName);
}
}
protected virtual void ExecuteReceive(ICommand <TAuthenticationToken> command)
{
try
{
AuthenticationTokenHelper.SetAuthenticationToken(command.AuthenticationToken);
CorrelationIdHelper.SetCorrelationId(command.CorrelationId);
CommandHandlerResolver.Send(command);
Sender.Tell(true);
}
catch
{
Sender.Tell(false);
throw;
}
}
/// <summary>
/// Passes the provided <paramref name="event"/> to <see cref="EventHandlerResolver"/> via <see cref="IEventPublisher{TAuthenticationToken}.Publish{TEvent}(TEvent)"/>
/// then calls <see cref="ActorRefImplicitSenderExtensions.Tell"/>.
/// </summary>
protected virtual void ExecuteReceive(IEvent <TAuthenticationToken> @event)
{
try
{
AuthenticationTokenHelper.SetAuthenticationToken(@event.AuthenticationToken);
CorrelationIdHelper.SetCorrelationId(@event.CorrelationId);
EventHandlerResolver.Publish(@event);
Sender.Tell(true);
}
catch
{
Sender.Tell(false);
throw;
}
}
/// <summary>
/// Query for all the events that match the provided CorrelationId.
/// </summary>
/// <param name="serviceRequest">A <see cref="IServiceRequestWithData{TAuthenticationToken,TData}">service-request</see> that contains the CorrelationId.</param>
/// <returns>A collection of <see cref="EventData">event data</see></returns>
protected virtual IServiceResponseWithResultData <IEnumerable <EventData> > GetEventData(IServiceRequestWithData <TSingleSignOnToken, Guid> serviceRequest)
{
AuthenticationTokenHelper.SetAuthenticationToken(serviceRequest.AuthenticationToken);
CorrelationIdHelper.SetCorrelationId(serviceRequest.CorrelationId);
OnGetEventData(serviceRequest);
IEnumerable <EventData> results = EventStore.Get(serviceRequest.Data);
results = OnGotEventData(serviceRequest, results);
return(new ServiceResponseWithResultData <IEnumerable <EventData> >
{
State = ServiceResponseStateType.Succeeded,
ResultData = results,
CorrelationId = CorrelationIdHelper.GetCorrelationId()
});
}
/// <summary>
/// Prepare the host before registering handlers and starting the host.
/// </summary>
protected virtual void Prepare()
{
PrepareSecurityProtocol();
// https://alexandrebrisebois.wordpress.com/2013/03/24/why-are-webrequests-throttled-i-want-more-throughput/
ServicePointManager.UseNagleAlgorithm = false;
ServicePointManager.DefaultConnectionLimit = 1000;
new StartUp(ConfigureDefaultDependencyResolver).Initialise();
EventBus = DependencyResolver.Current.Resolve <IEventReceiver <TAuthenticationToken> >();
CommandBus = DependencyResolver.Current.Resolve <ICommandReceiver <TAuthenticationToken> >();
Guid correlationId = Guid.NewGuid();
CorrelationIdHelper = DependencyResolver.Current.Resolve <ICorrelationIdHelper>();
CorrelationIdHelper.SetCorrelationId(correlationId);
Logger = DependencyResolver.Current.Resolve <ILogger>();
}
/// <summary>
/// Logically delete an existing instance of the <see cref="Entities.OrderEntity"/>
/// </summary>
public IServiceResponse DeleteOrder(IServiceRequestWithData <Cqrs.Authentication.ISingleSignOnToken, Entities.OrderEntity> serviceRequest)
{
AuthenticationTokenHelper.SetAuthenticationToken(serviceRequest.AuthenticationToken);
CorrelationIdHelper.SetCorrelationId(serviceRequest.CorrelationId);
UnitOfWorkService.SetCommitter(this);
Entities.OrderEntity item = serviceRequest.Data;
var locatedItem = OrderRepository.Load(item.Rsn, false);
if (locatedItem == null)
{
return(CompleteResponse(new ServiceResponseWithResultData <Entities.OrderEntity> {
State = ServiceResponseStateType.FailedValidation
}));
}
if (locatedItem.IsLogicallyDeleted)
{
return(CompleteResponse(new ServiceResponseWithResultData <Entities.OrderEntity> {
State = ServiceResponseStateType.FailedValidation
}));
}
var command = new DeleteOrderCommand(item.Rsn);
ServiceResponseStateType?serviceResponseStateType = null;
OnDeleteOrder(serviceRequest, ref command, locatedItem, ref serviceResponseStateType);
if (serviceResponseStateType != null && serviceResponseStateType != ServiceResponseStateType.Succeeded)
{
return(CompleteResponse(new ServiceResponseWithResultData <Entities.OrderEntity> {
State = serviceResponseStateType.Value
}));
}
CommandSender.Send(command);
OnDeletedOrder(serviceRequest, ref command, locatedItem, ref serviceResponseStateType);
if (serviceResponseStateType != null && serviceResponseStateType != ServiceResponseStateType.Succeeded)
{
return(CompleteResponse(new ServiceResponseWithResultData <Entities.OrderEntity> {
State = serviceResponseStateType.Value
}));
}
UnitOfWorkService.Commit(this);
return(CompleteResponse(new ServiceResponse()));
}
public virtual void RegisterHandler <TMessage>(RouteManager routeManger, Action <TMessage> handler, Type targetedType, bool holdMessageLock = true)
where TMessage : IMessage
{
Action <TMessage> registerableHandler = handler;
if (!holdMessageLock)
{
registerableHandler = message =>
{
Task.Factory.StartNew(() =>
{
CorrelationIdHelper.SetCorrelationId(message.CorrelationId);
handler(message);
});
};
}
routeManger.RegisterHandler(registerableHandler, targetedType);
}
