forceStop.set(b);
    }

    /**
     * Generates a document ID.
     *
     * @param map A map of data for the document.
     * @return A unique document ID.
     */
    public String generateDocId(final Map<String, Object> map) {
        return UUID.randomUUID().toString().replace("-", StringUtil.EMPTY);
    }

    /**
     * Abbreviates a long text string.
     *