private void addPoint(IndexWriter writer, String name, int year, int month, int day) throws IOException { LgteDocumentWrapper doc = new LgteDocumentWrapper(); ++i; doc.indexText("id", "" + i); doc.indexText("name", name); doc.addTimeField(year, month, day); doc.indexText("metafile", "doc"); ((LgteIndexWriter) writer).addDocument(doc); }