public bool RequestTaskState(TaskState state, TimeSpan timeout)
{
var waitForStart = false;
var currentState = TaskState.Unknown;
try
{
lock (TaskStateLock)
{
currentState = TaskState;
if (!task.CanRequestTaskState(state))
{
throw new InvalidOperationException("Can't enter TaskState" + state);
}
if ((state == TaskState.Starting || state == TaskState.Running) &&
TaskState != TaskState.Starting && TaskState != TaskState.Running &&
TaskState != TaskState.Paused && TaskState != TaskState.Waiting)
{
Start(timeout);
waitForStart = true;
return(true);
}
if (Thread.CurrentThread == TaskThread)
{
if (TaskState == state)
{
return(true);
}
SetRequestedTaskState(state);
ProcessTaskStateRequest();
return(true);
}
if (timeout != TimeSpan.Zero)
{
if (TaskState != state)
{
while (true)
{
SetRequestedTaskState(state);
Monitor.PulseAll(TaskStateLock);
if (HasAquiredTaskState(state))
{
SetRequestedTaskState(TaskState.Unknown);
break;
}
if (!Monitor.Wait(TaskStateLock, timeout))
{
return(false);
}
}
}
return(true);
}
else
{
if (TaskState != state)
{
SetRequestedTaskState(state);
}
return(true);
}
}
}
finally
{
if (waitForStart && timeout != TimeSpan.Zero)
{
this.task.WaitForAnyTaskState(timeout, PredicateUtils.ObjectNotEquals(currentState));
}
}
}
/// <summary>
/// Returns the name part of a URL
/// </summary>
/// <param name="uri"></param>
/// <returns></returns>
public static string GetName(string uri)
{
return(uri.SplitAroundCharFromRight(PredicateUtils.ObjectEqualsAny <char>('/', '\\')).Right);
}
public static string RemoveQuery(string uri)
{
return(uri.Left(PredicateUtils.ObjectEquals <char>('?').Not()));
}
public static Pair <string, string> SplitAroundCharFromRight(this string s, char c)
{
return(s.SplitAroundCharFromRight(PredicateUtils.ObjectEquals(c)));
}
