public void close() {
        if (runner != null) {
            try {
                client.admin()
                        .indices()
                        .prepareFlush()
                        .setForce(true)
                        .execute()
                        .actionGet(ComponentUtil.getFessConfig().getIndexIndicesTimeout());
            } catch (final Exception e) {

          <code>
            <![CDATA[
    public static final String SOURCE_POM = "pom";

    public static final String SOURCE_SETTINGS = "settings.xml";

    public void setSource(String source) {
        getDelegate().setSource(source);
    }

    public String getSource() {
        return getDelegate().getSource();
    }

    /**
     * @see java.lang.Object#toString()
     */