MultiLineString pt = (MultiLineString) pg.create();
// System.out.println((pt==null?"NULL":pt.toString()));
OraWriter ow = new OraWriter(getConnection());
STRUCT st = ow.write(pt);
OraReader or = new OraReader();
MultiLineString pt2 = (MultiLineString) or.read(st);
// System.out.println((pt==null?"NULL":pt.toString()));