/// <summary>
/// Try to acquire the sync before the timeout
/// </summary>
/// <exception cref="TimeoutException">In case a time out occurred</exception>
public virtual void Acquire()
{
if (!sync_.Attempt(timeout_))
{
throw new TimeoutException(timeout_);
}
}
public bool TryToCauseAnError (ISync sync, long msecs)
{
new Thread(new ThreadStart(Go)).Start();
bool got = sync.Attempt(msecs);
_resetEvent.Set();
return got;
}
/// <summary>
/// Attempt to get outer and then inner sync.
/// Release outer, if gor, on interruption while
/// attempting inner
/// </summary>
public virtual bool Attempt(long msecs)
{
long start = (msecs <= 0)?0:Utils.CurrentTimeMillis;
long waitTime = msecs;
if (outer_.Attempt(waitTime))
{
try
{
if (msecs > 0)
{
waitTime = msecs - (Utils.CurrentTimeMillis - start);
}
if (inner_.Attempt(waitTime))
{
return(true);
}
else
{
outer_.Release();
return(false);
}
}
catch (System.Threading.ThreadInterruptedException ex)
{
outer_.Release();
throw ex;
}
}
else
{
return(false);
}
}
public bool TryToCauseAnError(ISync sync, long msecs)
{
new Thread(new ThreadStart(Go)).Start();
bool got = sync.Attempt(msecs);
_resetEvent.Set();
return(got);
}
public void CanBeStoppedOnAnEvent()
{
//TODO: test with a buffer of capacity 1 to have blocked thread
// when shut down
monitor.Created += new FileSystemEventHandler(ShutDownOnCreated);
// TODO: simulate a big number of
// events and randomly shut down
tester.CreateFile(aFile);
tester.CreateFile("buzzWords");
Assert.IsTrue(sync.Attempt(msecs), "created event timed out");
tester.DeleteFile(aFile);
// no more events: the monitor is stopped
sync = new Latch();
tester.CreateFile(aFile);
Assert.IsFalse(sync.Attempt(msecs), "created event NOT timed out");
}
public void CanBeStoppedOnAnEvent ()
{
//TODO: test with a buffer of capacity 1 to have blocked thread
// when shut down
monitor.Created += new FileSystemEventHandler(ShutDownOnCreated);
// TODO: simulate a big number of
// events and randomly shut down
tester.CreateFile(aFile);
tester.CreateFile("buzzWords");
Assert.IsTrue(sync.Attempt(msecs), "created event timed out");
tester.DeleteFile(aFile);
// no more events: the monitor is stopped
sync = new Latch();
tester.CreateFile(aFile);
Assert.IsFalse(sync.Attempt(msecs), "created event NOT timed out");
}
public void AllowRegisteringToCreatedEvents()
{
monitor.Created += new FileSystemEventHandler(OnCreated);
tester.CreateFile(aFile);
Assert.IsTrue(sync.Attempt(msecs), "created event timed out");
}
