code: private void addSuperColumnNameToDocument(String superColumnName, Document currentDoc) {
          Field luceneField = new Field(SUPERCOLUMN_INDEX, superColumnName, Store.YES, Field.Index.NO);
          currentDoc.add(luceneField);
      }
docs: Index super column name.
  
  @param superColumnName
  the super column name
  @param currentDoc
  the current doc