public IServiceProvider ConfigureServices(IServiceCollection services)
{
// Add framework serviceProvider.
services.AddMvc();
services.AddSingleton <ITaskListRetriever, TaskListRetriever>();
services.AddSingleton <ITaskRetriever, TaskRetriever>();
services.AddSingleton <ITasksDAO, TasksDAO>();
//create handler
var subscriberRegistry = new SubscriberRegistry();
services.AddTransient <IHandleRequests <AddTaskCommand>, AddTaskCommandHandler>();
subscriberRegistry.Register <AddTaskCommand, AddTaskCommandHandler>();
//complete handler
services.AddTransient <IHandleRequests <CompleteTaskCommand>, CompleteTaskCommandHandler>();
subscriberRegistry.Register <CompleteTaskCommand, CompleteTaskCommandHandler>();
//create policies
var retryPolicy = Policy.Handle <Exception>().WaitAndRetry(new[] { TimeSpan.FromMilliseconds(50), TimeSpan.FromMilliseconds(100), TimeSpan.FromMilliseconds(150) });
var circuitBreakerPolicy = Policy.Handle <Exception>().CircuitBreaker(1, TimeSpan.FromMilliseconds(500));
var policyRegistry = new PolicyRegistry()
{
{ CommandProcessor.RETRYPOLICY, retryPolicy }, { CommandProcessor.CIRCUITBREAKER, circuitBreakerPolicy }
};
//create message mappers
services.AddTransient <IAmAMessageMapper <TaskReminderCommand>, TaskReminderCommandMessageMapper>();
var messagingGatewayConfiguration = RmqGatewayBuilder.With.Uri(new Uri(Configuration["RabbitMQ:Uri"])).Exchange(Configuration["RabbitMQ:Exchange"]).DefaultQueues();
var gateway = new RmqMessageProducer(messagingGatewayConfiguration);
IAmAMessageStore <Message> sqlMessageStore = new SqliteMessageStore(new SqliteMessageStoreConfiguration("Data Source = tasks.db", "MessageStores"));
var container = new Container();
container.Configure(config =>
{
var servicesMessageMapperFactory = new ServicesMessageMapperFactory(container);
var messageMapperRegistry = new MessageMapperRegistry(servicesMessageMapperFactory)
{
{ typeof(TaskReminderCommand), typeof(TaskReminderCommandMessageMapper) },
{ typeof(TaskAddedEvent), typeof(TaskAddedEventMapper) },
{ typeof(TaskEditedEvent), typeof(TaskEditedEventMapper) },
{ typeof(TaskCompletedEvent), typeof(TaskCompletedEventMapper) },
{ typeof(TaskReminderSentEvent), typeof(TaskReminderSentEventMapper) }
};
var servicesHandlerFactory = new ServicesHandlerFactory(container);
var commandProcessor = CommandProcessorBuilder.With()
.Handlers(new HandlerConfiguration(subscriberRegistry, servicesHandlerFactory))
.Policies(policyRegistry)
.TaskQueues(new MessagingConfiguration(sqlMessageStore, gateway, messageMapperRegistry))
.RequestContextFactory(new InMemoryRequestContextFactory())
.Build();
config.For <IAmACommandProcessor>().Singleton().Use(() => commandProcessor);
});
container.Populate(services);
return(container.GetInstance <IServiceProvider>());
}
public IServiceProvider ConfigureServices(IServiceCollection services)
{
// Add framework serviceProvider.
services.AddMvc();
services.AddSingleton<ITaskListRetriever, TaskListRetriever>();
services.AddSingleton<ITaskRetriever, TaskRetriever>();
services.AddSingleton<ITasksDAO, TasksDAO>();
//create handler
var subscriberRegistry = new SubscriberRegistry();
services.AddTransient<IHandleRequests<AddTaskCommand>, AddTaskCommandHandler>();
subscriberRegistry.Register<AddTaskCommand, AddTaskCommandHandler>();
//complete handler
services.AddTransient<IHandleRequests<CompleteTaskCommand>, CompleteTaskCommandHandler>();
subscriberRegistry.Register<CompleteTaskCommand, CompleteTaskCommandHandler>();
//create policies
var retryPolicy = Policy.Handle<Exception>().WaitAndRetry(new[] { TimeSpan.FromMilliseconds(50), TimeSpan.FromMilliseconds(100), TimeSpan.FromMilliseconds(150) });
var circuitBreakerPolicy = Policy.Handle<Exception>().CircuitBreaker(1, TimeSpan.FromMilliseconds(500));
var policyRegistry = new PolicyRegistry() { { CommandProcessor.RETRYPOLICY, retryPolicy }, { CommandProcessor.CIRCUITBREAKER, circuitBreakerPolicy } };
//create message mappers
services.AddTransient<IAmAMessageMapper<TaskReminderCommand>, TaskReminderCommandMessageMapper>();
var messagingGatewayConfiguration = RmqGatewayBuilder.With.Uri(new Uri(Configuration["RabbitMQ:Uri"])).Exchange(Configuration["RabbitMQ:Exchange"]).DefaultQueues();
var gateway = new RmqMessageProducer(messagingGatewayConfiguration);
IAmAMessageStore<Message> sqlMessageStore = new SqliteMessageStore(new SqliteMessageStoreConfiguration("Data Source = tasks.db", "MessageStores"));
var container = new Container();
container.Configure(config =>
{
var servicesMessageMapperFactory = new ServicesMessageMapperFactory(container);
var messageMapperRegistry = new MessageMapperRegistry(servicesMessageMapperFactory)
{
{typeof(TaskReminderCommand), typeof(TaskReminderCommandMessageMapper)},
{typeof(TaskAddedEvent), typeof(TaskAddedEventMapper)},
{typeof(TaskEditedEvent), typeof(TaskEditedEventMapper)},
{typeof(TaskCompletedEvent), typeof(TaskCompletedEventMapper)},
{typeof(TaskReminderSentEvent), typeof(TaskReminderSentEventMapper)}
};
var servicesHandlerFactory = new ServicesHandlerFactory(container);
var commandProcessor = CommandProcessorBuilder.With()
.Handlers(new HandlerConfiguration(subscriberRegistry, servicesHandlerFactory))
.Policies(policyRegistry)
.TaskQueues(new MessagingConfiguration(sqlMessageStore, gateway, messageMapperRegistry))
.RequestContextFactory(new InMemoryRequestContextFactory())
.Build();
config.For<IAmACommandProcessor>().Singleton().Use(() => commandProcessor);
});
container.Populate(services);
return container.GetInstance<IServiceProvider>();
}
