prevToken = null;
        readBufferIndex = BUFFER_SIZE;
        readBufferLen = 0;
        ch = 0;
        blkStart = 0;
        nextBlkStart = 0;
        if (synonymLoader != null && synonymLoader.isUpdate(lastModified)) {
            lastModified = synonymLoader.getLastModified();
            final SynonymMap map = synonymLoader.getSynonymMap();
            if (map != null) {
                synonymMap = map;