*
     * @return true if running in embedded mode, false otherwise
     */
    public boolean isEmbedded() {
        return runner != null;
    }

    /**
     * Enables the use of ingest pipelines for document processing.
     */
    public void usePipeline() {
        usePipeline = true;
    }

    /**
     * Resolves a hostname to an InetAddress.
     *