private static bool CanStart(TimeDelegate callback, ref int hashCode)
{
if (callback == null)
{
CantStartBecauseCallbackCannotBeNullException.ToLog();
return(false);
}
if (_synchronizationContext == null)
{
CantStartBecauseNullContextException.ToLog();
return(false);
}
if (_synchronizationContext != SynchronizationContext.Current)
{
CantStartBecauseNotStartedContextException.ToLog();
return(false);
}
var index = FindIndexBucket(callback);
if (index > -1)
{
CantStartBecauseCallbackExistedException.ToLog();
return(false);
}
hashCode = callback.GetHashCode();
return(true);
}
private static int FindIndexBucket(TimeDelegate callback)
{
var hashCode = callback.GetHashCode();
return(_buckets != null
? _buckets.FindIndex(t => t.HashCode == hashCode)
: -1);
}
