private void ValidateStatus(PandaTaskStatus expectedStatus)
{
if (expectedStatus != Status)
{
throw new InvalidOperationException($@"Expect Task state: {expectedStatus} but was: {Status}");
}
}
/// <summary>
/// Complete current task
/// </summary>
internal virtual void Resolve()
{
//check status
ValidateStatus(PandaTaskStatus.Pending);
//complete task
Status = PandaTaskStatus.Resolved;
//notify handlers
_doneAction?.Invoke();
_doneAction = null;
}
/// <summary>
/// Complete with error
/// </summary>
internal virtual void Reject(Exception ex)
{
//check arguments
if (ex == null)
{
throw new ArgumentNullException(nameof(ex));
}
//check status
ValidateStatus(PandaTaskStatus.Pending);
//set error
Status = PandaTaskStatus.Rejected;
_errorInfo = ExceptionDispatchInfo.Capture(ex);
//notify complete
_failAction?.Invoke(Error);
_failAction = null;
}
