public Schema GetOutputSchema(Schema inputSchema)
{
_host.CheckValue(inputSchema, nameof(inputSchema));
var mapper = MakeRowMapper(inputSchema);
return(RowToRowMapperTransform.GetOutputSchema(inputSchema, mapper));
}
public Row(IRow input, RowToRowMapperTransform parent, ISchema schema, Delegate[] getters)
{
_input = input;
_parent = parent;
Schema = schema;
_getters = getters;
}
public Bindings(ISchema inputSchema, RowToRowMapperTransform parent)
: base(inputSchema, true, Contracts.CheckRef(parent, nameof(parent))._mapper.GetOutputColumns().Select(info => info.Name).ToArray())
{
Contracts.AssertValue(parent);
_parent = parent;
OutputColInfos = _parent._mapper.GetOutputColumns().ToArray();
}
public RowImpl(Row input, RowToRowMapperTransform parent, Schema schema, Delegate[] getters, Action disposer)
: base(input)
{
_parent = parent;
Schema = schema;
_getters = getters;
_disposer = disposer;
}
public RowCursor(IChannelProvider provider, IRowCursor input, RowToRowMapperTransform parent, bool[] active)
: base(provider, input)
{
var pred = parent._bindings.GetActiveOutputColumns(active);
_getters = parent._mapper.CreateGetters(input, pred, out _disposer);
_active = active;
_bindings = parent._bindings;
}
