/// <summary>
/// 发布事件
/// </summary>
/// <typeparam name="TSender"></typeparam>
/// <typeparam name="TEventArgs"></typeparam>
/// <param name="sender"></param>
/// <param name="eventArgs"></param>
/// <returns></returns>
public async Task <bool> PublishAsync <TSender, TEventArgs>(TSender sender, TEventArgs eventArgs)
where TEventArgs : CommonEventArgs
{
string eventKey = GetEventKey <TSender, TEventArgs>();
if (!handlers.ContainsKey(eventKey))
{
return(false);
}
var handlerTypes = handlers[eventKey];
foreach (Type handlerType in handlerTypes)
{
var handler = ServiceLocator.GetService <IEventHandler <TSender, TEventArgs> >(handlerType);
if (null != handler)
{
await handler.HandleAsync(sender, eventArgs).ContinueWith(task =>
{
task.Exception?.Handle(exception =>
{
LoggerLocator.GetLogger <LocalEventBus>().LogError(exception, "执行触发操作事件时发生异常");
return(true);
});
}).ConfigureAwait(false);
}
}
return(true);
}
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
services.TryAddTransient <IHttpContextAccessor, HttpContextAccessor>();
services.AddCors();
services.AddSecurity(Configuration);
services.AddDbContext <CarRentalUnitOfWork>(optionsBuilder => {
optionsBuilder
.UseMySQL(Configuration.GetConnectionString("CarRentalDataSource"));
}, ServiceLifetime.Scoped);
// registers repositories
services.AddTransient <ReadModel.IAvailableCarRepository, Infrastructure.Repositories.AvailableCarRepository>();
services.AddTransient <IAvailableCarRepository, AvailableCarRepository>();
services.AddTransient <IUserRepository, UserRepository>();
services.AddTransient <IBookingRepository, BookingRepository>();
//register application services
services.AddTransient <IAvailableCarAppService, AvailableCarAppService>();
services.AddTransient <IAvailableCarService, AvailableCarService>();
services.AddMediatR(typeof(CreateBookingCommand).Assembly);
services.AddAutoMapper();
services.AddMvc()
.AddFluentValidation(fv => {
fv.ImplicitlyValidateChildProperties = true;
fv.RegisterValidatorsFromAssemblyContaining <AddressModel>();
fv.RegisterValidatorsFromAssemblyContaining <CreateBookingCommand>();
});
//sigletos
TypeAdapterLocator.SetCurrent(new AutoMapperTypeAdapterFactory());
EntityValidatorLocator.SetCurrent(new DataAnnotationsEntityValidatorFactory());
LoggerLocator.SetCurrent(new Log4NetLoggerFactory());
}
/// <summary>
/// 订阅事件
/// </summary>
/// <typeparam name="TEventArgs"></typeparam>
/// <typeparam name="TEventHandler"></typeparam>
public void Subscribe <TSender, TEventArgs, TEventHandler>()
where TEventArgs : CommonEventArgs
where TEventHandler : IEventHandler <TSender, TEventArgs>
{
AddSubscriptionAsync <TSender, TEventArgs, TEventHandler>().Wait();
var channelName = GetChannelName <TSender, TEventArgs>(typeof(TEventHandler).FullName);
redisClient.Db0.SubscribeAsync <RedisEventMessgae <TSender, TEventArgs> >(channelName, async(message) =>
{
var handler = ServiceLocator.GetService <TEventHandler>();
if (handler != null && message != null)
{
await handler.HandleAsync(message.Sender, message.EventArgs).ContinueWith(task =>
{
task.Exception?.Handle(exception =>
{
LoggerLocator.GetLogger <RedisEventBus>().LogError(exception, "执行触发操作事件时发生异常");
return(true);
});
}).ConfigureAwait(false);
}
});
}
private ILogger GetLog()
{
return(LoggerLocator.CreateLog(GetType()));
}
private static void RegisterSingletons()
{
TypeAdapterLocator.SetCurrent(new AutoMapperTypeAdapterFactory());
EntityValidatorLocator.SetCurrent(new DataAnnotationsEntityValidatorFactory());
LoggerLocator.SetCurrent(new Log4NetLoggerFactory());
}
