private void SetState(TaskStateType state, Double?currentPrice)
{
this.State = state;
if (TaskStateChange != null)
{
TaskStateChangeEventArgs args = new TaskStateChangeEventArgs(state, currentPrice);
TaskStateChange.Invoke(this, args);
}
}
private void NotifyExecutionHandler(TaskStateChangeEventArgs e)
{
if (e.HandlerType == null)
{
Logger.Info("没有回调,直接退出");
return;
}
if (Enum.TryParse(e.StateName, out TaskStateEnum tmpState) == false)
{
return;
}
Task.Factory.StartNew(async() =>
{
var service = _serviceProvider.GetService(e.HandlerType);
var modelType = e.HandlerType.GetInterfaces().FirstOrDefault(x => x.Name.Contains(nameof(ITaskHandler))).GetGenericArguments()[0];
MethodInfo method = null;
Task result = null;
switch (tmpState)
{
case TaskStateEnum.Succeeded:
method = e.HandlerType.GetMethod(nameof(ITaskHandler.DoSuccess));
result = (Task)method.Invoke(service, new object[] { Newtonsoft.Json.JsonConvert.DeserializeObject(e.CallbackJson, modelType) });
await result;
if (TaskFinished(e.Id))
{
var methodFinished = e.HandlerType.GetMethod(nameof(ITaskHandler.DoFinished));
result = (Task)methodFinished.Invoke(service, new object[] { Newtonsoft.Json.JsonConvert.DeserializeObject(e.CallbackJson, modelType) });
await result;
}
break;
case TaskStateEnum.Failed:
var methods = e.HandlerType.GetMethods();
foreach (var m in methods)
{
if (m.Name.Equals(nameof(ITaskHandler.DoFailed)))
{
switch (m.GetParameters().Length)
{
case 1:
result = (Task)m.Invoke(service, new object[] { Newtonsoft.Json.JsonConvert.DeserializeObject(e.CallbackJson, modelType) });
await result;
break;
case 2:
result = (Task)m.Invoke(service, new object[] { Newtonsoft.Json.JsonConvert.DeserializeObject(e.CallbackJson, modelType), e.Error });
await result;
break;
}
}
}
break;
default:
return;
}
});
}