public T RetryUntilConnected <T>(Func <T> callable)
{
if (_zookeeperEventThread != null && Thread.CurrentThread == _zookeeperEventThread)
{
throw new Exception("Must not be done in the zookeeper event thread.");
}
long operationStartTime = DateTime.Now.ToUnixTime();
while (true)
{
if (_closed)
{
throw new Exception("ZKClient already closed!");
}
try
{
return(callable());
}
catch (ConnectionLossException e)
{
// we give the event thread some time to update the status to 'Disconnected'
Thread.Yield();
WaitForRetry();
}
catch (SessionExpiredException e)
{
// we give the event thread some time to update the status to 'Expired'
Thread.Yield();
WaitForRetry();
}
catch (KeeperException e)
{
throw ZKException.Create(e);
}
catch (ThreadInterruptedException e)
{
throw new ZKInterruptedException(e);
}
catch (Exception e)
{
throw ExceptionUtil.ConvertToException(e);
}
// before attempting a retry, check whether retry timeout has elapsed
if (_operationRetryTimeoutInMillis > -1 &&
(DateTime.Now.ToUnixTime() - operationStartTime) >= _operationRetryTimeoutInMillis)
{
throw new ZKTimeoutException("Operation cannot be retried because of retry timeout (" + _operationRetryTimeoutInMillis + " milli seconds)");
}
}
}
public InMemoryConnection()
{
try
{
Create("/", null, CreateMode.Persistent);
}
catch (KeeperException e)
{
throw ZKException.Create(e);
}
catch (ThreadInterruptedException e)
{
Thread.CurrentThread.Interrupt();
throw new ZKInterruptedException(e);
}
}
public long GetCreationTime(string path)
{
lock (_zkEventLock)
{
try
{
return(_connection.GetCreateTime(path));
}
catch (KeeperException e)
{
throw ZKException.Create(e);
}
catch (ThreadInterruptedException e)
{
throw new ZKInterruptedException(e);
}
}
}
