public Row GetRow(Row input, Func <int, bool> predicate)
{
Contracts.AssertValue(input);
Contracts.AssertValue(predicate);
var getters = new Delegate[1];
if (predicate(0))
{
getters[0] = _parent.GetPredictionGetter(input, InputRoleMappedSchema.Feature.Value.Index);
}
return(new SimpleRow(OutputSchema, input, getters));
}
DataViewRow ISchemaBoundRowMapper.GetRow(DataViewRow input, IEnumerable <DataViewSchema.Column> activeColumns)
{
Contracts.AssertValue(input);
Contracts.AssertValue(activeColumns);
var getters = new Delegate[1];
if (activeColumns.Select(c => c.Index).Contains(0))
{
getters[0] = _parent.GetPredictionGetter(input, InputRoleMappedSchema.Feature.Value.Index);
}
return(new SimpleRow(OutputSchema, input, getters));
}
