throw new RuntimeException("page location not at root - unexpected");
}
docIdToDoc = new MappedBytesInterface(openFile("docidtodoc"));
docFields = new MappedBytesInterface(openFile("docfields"));
overflowFieldData = new ChunkedMemoryMappedFile(openFile("overflow"));
this.maxDocId = maxDocIdFile.getLong(0);
} catch (FileNotFoundException e) {
throw new RuntimeException(e);