/// <summary>
/// 停止此调度器并等待其状态到达,如果在指定的时间内未到达停止状态，则引发System.TimeoutException
/// </summary>
/// <exception cref="System.TimeoutException" >未能在指定时间内完成停止</exception>
/// <exception cref="System.InvalidOperationException">Stop在当前状态不可用</exception>
/// <param name="waitTimeout">毫秒 -1时不等待，0时无限等待</param>
public void Stop(int waitTimeout)
{
if (StatusFlag == -1)
{
throw new InvalidOperationException("JobScheduler已释放");
}
else if (StatusFlag == 2)
{
throw new InvalidOperationException("正在停止中 请勿重复调用");
}
System.Threading.Interlocked.Exchange(ref StatusFlag, 0);
AddJobWaitHandle.Set();
if (waitTimeout != -1)
{
System.Diagnostics.Debug.WriteLine("等待Job执行线程退出");
if (waitTimeout == 0)
{
LoopWaitHandle.WaitOne();
}
else if (LoopWaitHandle.WaitOne(waitTimeout, false))
{
throw new TimeoutException(
String.Format("Job执行线程未能在指定时间内({0})结束", waitTimeout.ToString()));
}
}
}
void Loop(object nothing)
{
PreJobLoop();
LoopWaitHandle.Reset();
System.Threading.Interlocked.CompareExchange(ref StatusFlag, 1, 0);
try
{
do
{
if (JobQueue.Count > 0)
{
TJob job;
bool got = JobQueue.TryDequeue(out job);
if (got)
{
if (!CancelBits[job.EnableBit])
{
try
{
ExecuteJobAction(job);
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(String.Format("Job执行循环中发生未处理的异常"));
System.Diagnostics.Debug.WriteLine(e.GetType() + " " + e.Message);
System.Diagnostics.Debug.WriteLine(e.StackTrace);
#if DEBUG
throw e;
#endif
}
}
}
}
else
{
AddJobWaitHandle.WaitOne();
}
} while (StatusFlag == 1);
}
finally
{
System.Diagnostics.Debug.WriteLine("等待Job执行线程上的循环已结束");
PostJobLoop();
LoopWaitHandle.Set();
System.Diagnostics.Debug.WriteLine("Job执行线程已退出");
}
}