private void SetShaper(Shaper <RecordState> shaper, CoordinatorFactory <RecordState> coordinatorFactory, int depth)
{
Shaper = shaper;
CoordinatorFactory = coordinatorFactory;
DataRecord = new BridgeDataRecord(shaper, depth);
// To determine whether there are any rows for this coordinator at this place in
// the root enumerator, we pretty much just look at it's current record (we'll read
// one if there isn't one waiting) and if it matches our coordinator, we've got rows.
_hasRows = false;
if (!Shaper.DataWaiting)
{
Shaper.DataWaiting = Shaper.RootEnumerator.MoveNext();
}
if (Shaper.DataWaiting)
{
RecordState currentRecord = Shaper.RootEnumerator.Current;
if (null != currentRecord)
{
_hasRows = (currentRecord.CoordinatorFactory == CoordinatorFactory);
}
}
// Once we've created the root enumerator, we can get the default record state
DefaultRecordState = coordinatorFactory.GetDefaultRecordState(Shaper);
Debug.Assert(null != DefaultRecordState, "no default?");
}
private void InitializeHasRows()
{
// To determine whether there are any rows for this coordinator at this place in
// the root enumerator, we pretty much just look at it's current record (we'll read
// one if there isn't one waiting) and if it matches our coordinator, we've got rows.
_hasRows = false;
if (_shaper.DataWaiting)
{
var currentRecord = _shaper.RootEnumerator.Current;
if (null != currentRecord)
{
_hasRows = (currentRecord.CoordinatorFactory == _coordinatorFactory);
}
}
// Once we've created the root enumerator, we can get the default record state
_defaultRecordState = _coordinatorFactory.GetDefaultRecordState(_shaper);
Debug.Assert(null != _defaultRecordState, "no default?");
}
