public virtual async Task Process(TEntity msg, TState state, string name, Func <IServiceProvider, Exception, TEntity, TState, string, Task> errorHandler)
{
var list = _handlers.ToList();
QueueHandlerContext <TEntity, TState> context = new QueueHandlerContext <TEntity, TState>()
{
QueueName = name,
Message = msg,
State = state
};
foreach (var h in list)
{
try
{
await _retry.Retry(async() =>
{
using (var scope = _serviceProvider.CreateScope())
{
context.ServiceProvider = scope.ServiceProvider;
var handler = scope.ServiceProvider.GetRequiredService(h.GetType()) as IQueueHandler <TEntity, TState>;
await handler.Process(context);
}
}, 3, 100, true);
}
catch (Exception e)
{
_logger.LogError(e, "处理队列消息失败");
if (errorHandler != null)
{
using (var scope = _serviceProvider.CreateScope())
{
await errorHandler(_serviceProvider, e, msg, state, name);
}
}
}
if (context.Stoped)
{
break;
}
}
}
public virtual Task Process(QueueHandlerContext <TEntity, TState> context)
{
return(Task.CompletedTask);
}