EDIT

    /**

     * {@inheritDoc}

     *

     */

    public  List<DocumentSearchResult> createResultSet(TopDocs topDocs, String[] highlightFields) throws CorruptIndexException, IOException {

        List<DocumentSearchResult> searchResults = new ArrayList<DocumentSearchResult>();

        if(topDocs == null){

            return searchResults;

        }

        SearchResultHighligther highlighter = null;

        if(highlightFields  != null && highlightFields.length > 0){

            highlighter = new SearchResultHighligther();

        }

        for (ScoreDoc scoreDoc : topDocs.scoreDocs) {

        	String cdmEntityId = null;

        	DocumentSearchResult searchResult = new DocumentSearchResult();

        	Document document = luceneSearch.getSearcher().doc(scoreDoc.doc);

        	searchResult.addDoc(document);

        	searchResult.setScore(scoreDoc.score);

        	searchResult.setMaxScore(scoreDoc.score);

            // add highlight fragments

            if(highlighter != null){

                Map<String, String[]> fieldFragmentMap = null;

                for(Document doc: searchResult.getDocs()){

                    fieldFragmentMap = merge(fieldFragmentMap, highlighter.getFragmentsWithHighlightedTerms(luceneSearch.getAnalyzer(), query, highlightFields, doc, fragmentNumber, fragmentSize));

                }

                searchResult.setFieldHighlightMap(fieldFragmentMap);

            }

            // finally add the final result to the list

            searchResults.add(searchResult);

        }

        return searchResults;

    }