private List<NodeRef> getProcessableNodes() {
        List<NodeRef> nodeRefs = null;

        String query = "+PATH:\"/app:company_home/st:sites//*\""
                + " +TYPE:\"mispub:webContent\""
                + " +@mispub\\:toProcess:true";

        SearchParameters sp = new SearchParameters();
        StoreRef storeRef = new StoreRef(StoreRef.PROTOCOL_WORKSPACE, "SpacesStore");
        sp.addStore(storeRef);
        sp.setLanguage(SearchService.LANGUAGE_LUCENE);

        sp.setQuery(query);

        ResultSet result = searchService.query(sp);

        try {
            if (result != null)
                nodeRefs = result.getNodeRefs();
        } finally {
            result.close();
        }

        return nodeRefs;
    }