/// <summary>
/// 开始新的任务
/// </summary>
/// <param name="item"></param>
/// <param name="func"></param>
/// <param name="taskFinishAction"></param>
private void StartNewProcess(TaskJobParam <T> item, Func <T, CancellationTokenSource, T2> func,
Action <bool, T2, Exception> taskFinishAction)
{
if (!OnGoingList.ContainsKey(item.Id))
{
OnGoingList.Add(item.Id, item.Data);
}
else
{
StartProcessForWait(func, taskFinishAction);
}
var cts = new CancellationTokenSource();
var token = cts.Token;
var task = Task.Factory.StartNew(() =>
func.Invoke(item.Data, cts), token)
.ContinueWith((res) =>
{
try
{
if (res == null)
{
taskFinishAction?.Invoke(false, default(T2), null);
}
else if (res.Exception != null)
{
taskFinishAction?.Invoke(false, ObjectCommon.SafeObject(res.Result != null, () =>
ValueTuple.Create(res.Result, default(T2))),
res.Exception);
}
else
{
taskFinishAction?.Invoke(true,
ObjectCommon.SafeObject(res.Result != null, () =>
ValueTuple.Create(res.Result, default(T2))),
null);
}
}
catch (Exception ex)
{
// ignored
}
finally
{
if (OnGoingList.ContainsKey(item.Id))
{
OnGoingList.Remove(item.Id);
}
StartProcessForWait(func, taskFinishAction);
}
}, token);
}
/// <summary>
/// 开始执行等待进行的任务
/// </summary>
private void StartProcessForWait(Func <T, CancellationTokenSource, T2> func,
Action <bool, T2, Exception> taskFinishAction)
{
if (AwaitList.Count > 0 && IsStartNewProcess)
{
TaskJobParam <T> taskJobParam = base.GetFirstJob <TaskJobParam <T> >(AwaitList);
if (taskJobParam != null)
{
if (AwaitList.ContainsKey(taskJobParam.Id))
{
AwaitList.Remove(taskJobParam.Id);
}
StartNewProcess(taskJobParam, func, taskFinishAction);
}
}
else
{
if (_duration > 0)
{
Thread.Sleep(_duration);
}
}
}