/// <summary>
/// T1, T2 write R1, T1 commit, T2 abort, see only T1's change in. Demo abort.
/// </summary>
public void ConcurrentCommitAbort()
{
StartUp();
Transaction t1 = WorkflowControl.Start();
Transaction t2 = WorkflowControl.Start();
AutoResetEvent sync1 = new AutoResetEvent(false);
AutoResetEvent sync2 = new AutoResetEvent(false);
ThreadPool.QueueUserWorkItem(o =>
{
WorkflowControl.AddCars(t1, "Seattle", 1, 3);
WorkflowControl.Commit(t1);
sync1.Set();
});
ThreadPool.QueueUserWorkItem(o =>
{
WorkflowControl.AddCars(t2, "Seattle", 2, 2);
WorkflowControl.Abort(t2);
sync2.Set();
});
// here is just to make sure t2 commits before t1, so the price will be 2.
sync1.WaitOne();
sync2.WaitOne();
string actual = PrintCars();
Assert.AreEqual("Vegas,1,3;NewYork,10,30;Seattle,1,3;", actual);
}