if (StringUtil.isNotBlank(field) && fieldAnalyzerMapping.containsKey(field)
                && fieldAnalyzerMapping.get(field).readingAnalyzer != null) {
            analyzerName = fieldAnalyzerMapping.get(field).readingAnalyzer;
        } else {
            analyzerName = READING_ANALYZER;
        }
        final String analyzerNameWithlang = isSupportedLanguage(lang) ? analyzerName + '_' + lang : analyzerName;