private String indexName = null;

    @Override
    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexLogIndex();
            indexName = super.asEsIndex().replaceFirst(Pattern.quote("fess_log"), name);
        }
        return indexName;
    }

    @Override

    private String indexName = null;

    @Override
    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexLogIndex();
            indexName = super.asEsIndex().replaceFirst(Pattern.quote("fess_log"), name);
        }
        return indexName;
    }

    @Override

    private String indexName = null;

    @Override
    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexLogIndex();
            indexName = super.asEsIndex().replaceFirst(Pattern.quote("fess_log"), name);
        }
        return indexName;
    }

    @Override

     */
    public void flush() {
        expired();
    }

    private String resolveIndexName() {
        return ComponentUtil.getFessConfig().getIndexLogIndex() + ".notification_queue";
    }

    private void ensureIndexExists(final SearchEngineClient client, final String indexName) {
        if (!indexChecked) {
            if (!client.existsIndex(indexName)) {

    private String indexName = null;

    @Override
    protected String asEsIndex() {
        if (indexName == null) {
            final String name = ComponentUtil.getFessConfig().getIndexLogIndex();
            indexName = super.asEsIndex().replaceFirst(Pattern.quote("fess_log"), name);
        }
        return indexName;
    }

    @Override

            return "No notification targets configured.";
        }

        final SearchEngineClient client = ComponentUtil.getSearchEngineClient();
        final String indexName = fessConfig.getIndexLogIndex() + ".notification_queue";

        if (!client.existsIndex(indexName)) {
            return "No log notifications.";
        }

        final int searchSize = fessConfig.getLogNotificationSearchSizeAsInteger();