public Cursor(IHostEnvironment env, string name, ListDataView <TRow> dataView,
Func <int, bool> predicate, Random rand)
: base(env, dataView, predicate)
{
Ch.AssertValueOrNull(rand);
_data = dataView._data;
if (rand != null)
{
_permutation = Utils.GetRandomPermutation(rand, dataView._data.Count);
}
}
public Cursor(IChannelProvider provider, string name, ListDataView <TRow> dataView,
Func <int, bool> predicate, IRandom rand)
: base(provider, dataView, predicate)
{
Ch.AssertValueOrNull(rand);
_data = dataView._data;
if (rand != null)
{
_permutation = Utils.GetRandomPermutation(rand, dataView._data.Count);
}
}