public void return_empty_slice_if_asked_to_read_from_start()
{
var read = _conn.ReadAllEventsBackward(Position.Start, 1, false);
Assert.That(read.IsEndOfStream, Is.True);
Assert.That(read.Events.Length, Is.EqualTo(0));
}
private void UpgradeProjectionPartitionCheckpoints()
{
Log("Looking for projection partition checkpoint streams");
var from = Position.Start;
_oldTfScanPercent = 0d;
var lastSlice = _connection.ReadAllEventsBackward(Position.End, 1, false, _credentials);
if (lastSlice.Events.Length == 0)
{
throw new Exception("Empty TF");
}
_lastTfPosition = lastSlice.Events[0].OriginalPosition.Value.PreparePosition;
AllEventsSlice slice;
do
{
slice = _connection.ReadAllEventsForward(@from, 100, false, _credentials);
DisplayTfScanProgress(slice);
foreach (var @event in slice.Events)
{
if (@event.OriginalEventNumber == 0)
{
UpgradeStreamIfPartitionCheckpoint(@event.OriginalStreamId);
}
}
from = slice.NextPosition;
} while (!slice.IsEndOfStream);
Log("Completed looking for partition checkpoint streams");
}
protected void ReadAllBackward(string login, string password)
{
Connection.ReadAllEventsBackward(Position.End, 1, false,
login == null && password == null ? null : new UserCredentials(login, password));
}