Object data = new double[]{0.0, 1.1, 2.2, 3.3};
ColumnMetadata columnMetadata = new SimpleColumnMetadata
("extracted", TupleTypes._OBJECT, 0, ColumnMetadata.COLUMN_NO_NULLS, 0);
TupleMetadata tupleMetadata =
new SimpleTupleMetadata(Collections.singletonList(columnMetadata));
MetadataWrapper metadataWrapper = new MetadataWrapper(tupleMetadata);
List elements = new ArrayList();
elements.add(data);
Tuple tuple = new SimpleTuple(elements);