protected Column(Timeline timeline, RCArray <int> index, object data)
{
_tlcount = timeline.Count;
RCArray <T> original = (RCArray <T>)data;
if (original.Locked())
{
_data = new RCArray <T> (original.Count);
_index = new RCArray <int> (original.Count);
for (int i = 0; i < original.Count; ++i)
{
_data.Write(original[i]);
_index.Write(index[i]);
}
}
else
{
_data = (RCArray <T>)data;
_index = index;
}
if (timeline.Has("S"))
{
_last = new Dictionary <RCSymbolScalar, T> ();
for (int i = 0; i < _data.Count; ++i)
{
RCSymbolScalar key = timeline.Symbol[index[i]];
T val = _data[i];
if (_last != null)
{
_last[key] = val;
}
}
}
}