private String indexName = null;

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

    private String indexName = null;

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

    private String indexName = null;

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

    private String indexName = null;

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

    @Override

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

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

    /**
     * Get the value for the key 'index.user.index'. <br>
     * The value is, e.g. fess_user <br>
     * comment: Index name for user data.