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

    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)) {

        }

        @Override
        public Integer getLogNotificationIntervalAsInteger() {
            return 300;
        }

        @Override
        public String getIndexLogIndex() {
            return "fess_log";
        }

        @Override
        public String getIndexSearchTimeout() {
            return "30000";
        }

        @Override

            return "fess_config";
        }

        @Override
        public String getIndexUserIndex() {
            return "fess_user";
        }

        @Override
        public String getIndexLogIndex() {
            return "fess_log";
        }

        @Override
        public String getFesenType() {
            return "";
        }

        @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();

                        indexName = configIndex.replaceFirst(Pattern.quote(USER_INDEX_PREFIX), name);
                    } else if (configIndex.startsWith(LOG_INDEX_PREFIX)) {
                        final String name = fessConfig.getIndexLogIndex();
                        indexName = configIndex.replaceFirst(Pattern.quote(LOG_INDEX_PREFIX), name);
                    } else {

     * The value is, e.g. fess_log <br>
     * comment: Index name for log data.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getIndexLogIndex();

    /**
     * Get the value for the key 'index.dictionary.prefix'. <br>
     * The value is, e.g.  <br>
     * comment: Prefix for dictionary index names.