protected internal JustSayingFluently(IAmJustSaying bus, IVerifyAmazonQueues queueCreator, IAwsClientFactoryProxy awsClientFactoryProxy, ILoggerFactory loggerFactory)
{
_loggerFactory = loggerFactory;
_log = _loggerFactory.CreateLogger("JustSaying");
Bus = bus;
_amazonQueueCreator = queueCreator;
_awsClientFactoryProxy = awsClientFactoryProxy;
}
/// <inheritdoc />
void ISubscriptionBuilder <T> .Configure(
JustSayingBus bus,
IHandlerResolver resolver,
IVerifyAmazonQueues creator,
ILoggerFactory loggerFactory)
{
var logger = loggerFactory.CreateLogger <TopicSubscriptionBuilder <T> >();
var subscriptionConfig = new SqsReadConfiguration(SubscriptionType.ToTopic)
{
QueueName = TopicName
};
ConfigureReads?.Invoke(subscriptionConfig);
var config = bus.Config;
subscriptionConfig.ApplyTopicNamingConvention <T>(config.TopicNamingConvention);
subscriptionConfig.ApplyQueueNamingConvention <T>(config.QueueNamingConvention);
subscriptionConfig.SubscriptionGroupName ??= subscriptionConfig.QueueName;
subscriptionConfig.PublishEndpoint = subscriptionConfig.TopicName;
subscriptionConfig.Validate();
var queueWithStartup = creator.EnsureTopicExistsWithQueueSubscribed(
config.Region,
bus.SerializationRegister,
subscriptionConfig,
config.MessageSubjectProvider);
bus.AddStartupTask(queueWithStartup.StartupTask);
bus.AddQueue(subscriptionConfig.SubscriptionGroupName, queueWithStartup.Queue);
logger.LogInformation(
"Created SQS topic subscription on topic '{TopicName}' and queue '{QueueName}'.",
subscriptionConfig.TopicName,
subscriptionConfig.QueueName);
var resolutionContext = new HandlerResolutionContext(subscriptionConfig.QueueName);
var proposedHandler = resolver.ResolveHandler <T>(resolutionContext);
if (proposedHandler == null)
{
throw new HandlerNotRegisteredWithContainerException(
$"There is no handler for '{typeof(T)}' messages.");
}
bus.AddMessageHandler(subscriptionConfig.QueueName,
() => resolver.ResolveHandler <T>(resolutionContext));
logger.LogInformation(
"Added a message handler for message type for '{MessageType}' on topic '{TopicName}' and queue '{QueueName}'.",
typeof(T),
subscriptionConfig.TopicName,
subscriptionConfig.QueueName);
}
/// <inheritdoc />
void ISubscriptionBuilder <T> .Configure(
JustSayingBus bus,
IHandlerResolver resolver,
IVerifyAmazonQueues creator,
ILoggerFactory loggerFactory)
{
var logger = loggerFactory.CreateLogger <QueueSubscriptionBuilder <T> >();
var subscriptionConfig = new SqsReadConfiguration(SubscriptionType.PointToPoint)
{
QueueName = QueueName
};
ConfigureReads?.Invoke(subscriptionConfig);
var config = bus.Config;
subscriptionConfig.ApplyTopicNamingConvention <T>(config.TopicNamingConvention);
subscriptionConfig.ApplyQueueNamingConvention <T>(config.QueueNamingConvention);
subscriptionConfig.SubscriptionGroupName ??= subscriptionConfig.QueueName;
subscriptionConfig.Validate();
var queue = creator.EnsureQueueExists(config.Region, subscriptionConfig);
bus.AddStartupTask(
queue.Queue.EnsureQueueAndErrorQueueExistAndAllAttributesAreUpdatedAsync(subscriptionConfig));
bus.AddQueue(subscriptionConfig.SubscriptionGroupName, queue.Queue);
logger.LogInformation(
"Created SQS subscriber for message type '{MessageType}' on queue '{QueueName}'.",
typeof(T),
subscriptionConfig.QueueName);
var resolutionContext = new HandlerResolutionContext(subscriptionConfig.QueueName);
var proposedHandler = resolver.ResolveHandler <T>(resolutionContext);
if (proposedHandler == null)
{
throw new HandlerNotRegisteredWithContainerException(
$"There is no handler for '{typeof(T)}' messages.");
}
bus.AddMessageHandler(subscriptionConfig.QueueName,
() => resolver.ResolveHandler <T>(resolutionContext));
logger.LogInformation(
"Added a message handler for message type for '{MessageType}' on topic '{TopicName}' and queue '{QueueName}'.",
typeof(T),
subscriptionConfig.TopicName,
subscriptionConfig.QueueName);
}
/// <inheritdoc />
void ISubscriptionBuilder <T> .Configure(
JustSayingBus bus,
IHandlerResolver handlerResolver,
IServiceResolver serviceResolver,
IVerifyAmazonQueues creator,
IAwsClientFactoryProxy awsClientFactoryProxy,
ILoggerFactory loggerFactory)
{
var logger = loggerFactory.CreateLogger <QueueSubscriptionBuilder <T> >();
var attachedQueueConfig = new QueueAddressConfiguration();
ConfigureReads?.Invoke(attachedQueueConfig);
IAmazonSQS sqsClient = awsClientFactoryProxy
.GetAwsClientFactory()
.GetSqsClient(RegionEndpoint.GetBySystemName(_queueAddress.RegionName));
var queue = new QueueAddressQueue(_queueAddress, sqsClient);
attachedQueueConfig.SubscriptionGroupName ??= queue.QueueName;
attachedQueueConfig.Validate();
bus.AddQueue(attachedQueueConfig.SubscriptionGroupName, queue);
logger.LogInformation(
"Created SQS queue subscription for '{MessageType}' on '{QueueName}'",
typeof(T), queue.QueueName);
var resolutionContext = new HandlerResolutionContext(queue.QueueName);
var proposedHandler = handlerResolver.ResolveHandler <T>(resolutionContext);
if (proposedHandler == null)
{
throw new HandlerNotRegisteredWithContainerException(
$"There is no handler for '{typeof(T)}' messages.");
}
var middlewareBuilder = new HandlerMiddlewareBuilder(handlerResolver, serviceResolver);
var handlerMiddleware = middlewareBuilder
.Configure(MiddlewareConfiguration ?? (b => b.UseDefaults <T>(proposedHandler.GetType())))
.Build();
bus.AddMessageMiddleware <T>(queue.QueueName, handlerMiddleware);
logger.LogInformation(
"Added a message handler for message type for '{MessageType}' on queue '{QueueName}'",
typeof(T), queue.QueueName);
}
/// <summary>
/// Configures the subscriptions for the <see cref="JustSayingBus"/>.
/// </summary>
/// <param name="bus">The <see cref="JustSayingBus"/> to configure subscriptions for.</param>
/// <param name="creator">The <see cref="IVerifyAmazonQueues"/>to use to create queues with.</param>
/// <param name="loggerFactory">The <see cref="ILoggerFactory"/>logger factory to use.</param>
/// <exception cref="InvalidOperationException">
/// No instance of <see cref="IHandlerResolver"/> could be resolved.
/// </exception>
internal void Configure(
JustSayingBus bus,
IVerifyAmazonQueues creator,
ILoggerFactory loggerFactory)
{
var resolver = Parent.ServicesBuilder?.HandlerResolver?.Invoke() ??
Parent.ServiceResolver.ResolveService <IHandlerResolver>();
if (resolver == null)
{
throw new InvalidOperationException($"No {nameof(IHandlerResolver)} is registered.");
}
Defaults.Validate();
bus.SetGroupSettings(Defaults, SubscriptionGroupSettings);
foreach (ISubscriptionBuilder <Message> builder in Subscriptions)
{
builder.Configure(bus, resolver, creator, loggerFactory);
}
}
/// <summary>
/// Creates a new instance of <see cref="IMessagingBus"/>.
/// </summary>
/// <returns>
/// The created instance of <see cref="IMessagingBus"/>
/// </returns>
public IMessagingBus BuildSubscribers()
{
IMessagingConfig config = CreateConfig();
config.Validate();
ILoggerFactory loggerFactory =
ServicesBuilder?.LoggerFactory?.Invoke() ?? ServiceResolver.ResolveService <ILoggerFactory>();
JustSayingBus bus = CreateBus(config, loggerFactory);
IVerifyAmazonQueues creator = CreateQueueCreator(loggerFactory);
if (ServicesBuilder?.MessageContextAccessor != null)
{
bus.MessageContextAccessor = ServicesBuilder.MessageContextAccessor();
}
if (SubscriptionBuilder != null)
{
SubscriptionBuilder.Configure(bus, ServiceResolver, creator, loggerFactory);
}
return(bus);
}
internal protected JustSayingFluently(IAmJustSaying bus, IVerifyAmazonQueues queueCreator, IAwsClientFactoryProxy awsClientFactoryProxy)
{
Bus = bus;
_amazonQueueCreator = queueCreator;
this._awsClientFactoryProxy = awsClientFactoryProxy;
}
internal protected JustSayingFluently(IAmJustSaying bus, IVerifyAmazonQueues queueCreator)
{
Bus = bus;
_amazonQueueCreator = queueCreator;
}
