private async Task OnConsumeEvent(EventWrapper wrapper, List <IEventHandler> handlers)
{
var @event = wrapper.Event;
using (var scope = _serviceScopeFactory.CreateScope())
{
try
{
var context = new LightweightEventContext()
{
EventBus = this,
ServiceProvider = scope.ServiceProvider,
RouteKey = wrapper.Route,
RetryCount = wrapper.RetryCount
};
if (OnConsuming != null)
{
await OnConsuming(@event, context);
}
foreach (var handle in handlers)
{
await handle.OnEvent(wrapper.Event, context);
}
if (OnConsumed != null)
{
await OnConsumed(@event, context);
}
}
catch (Exception ex)
{
if (OnConsumeError == null)
{
throw;
}
var context = new LightweightEventErrorContext
{
EventBus = this,
ServiceProvider = scope.ServiceProvider,
RouteKey = wrapper.Route,
RetryCount = wrapper.RetryCount,
Exception = ex
};
await OnConsumeError(@event, context);
}
}
}
private async Task PublishAsync(string eventRoute, IEvent @event, int retryCount = 0)
{
using (var scope = _serviceScopeFactory.CreateScope())
{
try
{
var context = new LightweightEventContext
{
ServiceProvider = scope.ServiceProvider,
EventBus = this,
RouteKey = eventRoute,
RetryCount = retryCount
};
if (OnProducing != null)
{
await OnProducing(@event, context);
}
long sequence = _ringBuffer.Next();
var wapper = _ringBuffer[sequence];
wapper.Route = eventRoute;
wapper.Event = @event;
wapper.RetryCount = retryCount;
_ringBuffer.Publish(sequence);
if (OnProduced != null)
{
await OnProduced(@event, context);
}
}
catch (Exception ex)
{
if (OnProductError == null)
{
throw;
}
var context = new LightweightEventErrorContext
{
ServiceProvider = scope.ServiceProvider,
EventBus = this,
RouteKey = eventRoute,
RetryCount = retryCount,
Exception = ex
};
await OnProductError(@event, context);
}
}
}
protected override Task OnEvent(TestEvent @event, LightweightEventContext eventContext)
{
Debug.WriteLine($"handler: {Id}, event: {@event.Id}");
return(Task.CompletedTask);
}
