/// <summary>
/// Use default changes bus - <see cref="InMemoryChangesBus"/>
/// </summary>
public static ErdenConfig UseDefaultChangeBus(this ErdenConfig config)
{
var inMemoryChangesBus = new InMemoryChangesBus();
config.Services.AddSingleton<IChangesBus>(provider => inMemoryChangesBus);
config.Services.AddSingleton<IChangeHandlerRegistrator>(provider => inMemoryChangesBus);
return config;
}
static void Main(string[] args)
{
Console.WriteLine("Erden CQRS example");
Console.WriteLine();
services = new ServiceCollection();
var cqrsConfiguration = new ErdenConfig(services)
.AddCqrs()
.UseDefaultCommandBus()
.UseDefaultDataStorage();
cqrsConfiguration.Build();
var provider = services.BuildServiceProvider();
ICommandBus bus = provider.GetService <ICommandBus>();
IDataStorage storage = provider.GetService <IDataStorage>();
bus.Send(new ExampleCommand()).Wait();
var result = storage.Retrieve(new ExampleQuery()).Result;
Console.WriteLine($"Query result is {result}");
Console.WriteLine();
Console.WriteLine("Press any button to exit");
Console.ReadKey(false);
}
/// <summary>
/// Use default fetch source - <see cref="InMemoryStorage"/>
/// </summary>
public static ErdenConfig UseDefaultFetchSource(this ErdenConfig config)
{
var inMemoryStorage = new InMemoryStorage();
config.Services.AddSingleton<IStorage>(provider => inMemoryStorage);
config.Services.AddSingleton<IFetchHandlerRegistrator>(provider => inMemoryStorage);
return config;
}
/// <summary>
/// Use default in memory data storage
/// </summary>
/// <returns></returns>
public static ErdenConfig UseDefaultDataStorage(this ErdenConfig config)
{
var inMemoryDataStorage = new InMemoryDataStorage();
config.Services.AddSingleton <IDataStorage>(provider => inMemoryDataStorage);
config.Services.AddSingleton <IQueryHandlerRegistrator>(provider => inMemoryDataStorage);
return(config);
}
// <summary>
/// Use default in memory command bus
/// </summary>
public static ErdenConfig UseDefaultCommandBus(this ErdenConfig config)
{
var inMemoryCommandBus = new InMemoryCommandBus();
config.Services.AddSingleton <ICommandHandlerRegistrator>(provider => inMemoryCommandBus);
config.Services.AddSingleton <ICommandBus>(provider => inMemoryCommandBus);
return(config);
}
public static ErdenConfig UseDefaultEventBus(this ErdenConfig config)
{
var inMemoryEventBus = new InMemoryEventBus();
config.Services.AddSingleton <IEventHandlerRegistrator>(provider => inMemoryEventBus);
config.Services.AddSingleton <IEventPublisher>(provider => inMemoryEventBus);
return(config);
}
private ServiceProvider Configure()
{
var services = new ServiceCollection();
var config = new ErdenConfig(services)
.AddEventSourcing()
.UseDefaultEventBus();
config.Build();
return(services.BuildServiceProvider());
}
private ServiceProvider Configure()
{
var services = new ServiceCollection();
var config = new ErdenConfig(services)
.AddCqrs()
.UseDefaultCommandBus()
.UseDefaultDataStorage();
config.Build();
return(services.BuildServiceProvider());
}
public void ConfigureServices(IServiceCollection services)
{
OptionsConfigurationServiceCollectionExtensions.Configure <EventStoreSettings>(services, Configuration.GetSection("EventStore"));
services.AddMvc();
var erden = new ErdenConfig(services)
.UseDefaultCommandBus()
.UseDefaultDataStorage()
.UseDefaultEventBus()
.AddEventStoreTarget <EventStoreTarget>();
erden.Build();
}
private ServiceProvider Configure()
{
LoggerFactory factory = new LoggerFactory();
var services = new ServiceCollection();
var config = new ErdenConfig(services)
.AddEventSourcing()
.UseDefaultEventBus()
.AddEventStoreTarget <InMemoryEventStore>();
config.Build();
new ErdenConfig(services).AddDomain().Build();
return(services.BuildServiceProvider());
}
/// <summary>
/// Add CQRS
/// </summary>
public static ErdenConfig AddCqrs(this ErdenConfig config)
{
config.AddToRegistration(typeof(ICommandHandler <>), typeof(ICommandHandlerRegistrator), "Execute");
config.AddToRegistration(typeof(IQueryHandler <,>), typeof(IQueryHandlerRegistrator), "Execute");
return(config);
}
/// <summary>
/// Add DAL
/// </summary>
public static ErdenConfig AddDal(this ErdenConfig config)
{
config.AddToRegistration(typeof(IChangeHandler<>), typeof(IChangeHandlerRegistrator), "Execute");
config.AddToRegistration(typeof(IFetchHandler<,>), typeof(IFetchHandlerRegistrator), "Execute");
return config;
}
public static ErdenConfig AddEventSourcing(this ErdenConfig config)
{
config.AddToRegistration(typeof(IEventHandler <>), typeof(IEventHandlerRegistrator), "Handle");
return(config);
}
public static ErdenConfig AddEventStoreTarget <T>(this ErdenConfig config) where T : class, IEventStore
{
config.Services.AddSingleton <IEventStore, T>();
return(config);
}
public static ErdenConfig AddDomain(this ErdenConfig config)
{
config.Services.AddSingleton <IAggregateStorage, AggregateStorage>();
config.Services.AddSingleton <ISession, Session>();
return(config);
}
