if (StringUtil.isNotBlank(url)) {
                        final Set<String> labelSet = labelTypeHelper.getMatchedLabelValueSet(url);
                        final Script script = languageHelper.createScript(doc, "ctx._source." + fessConfig.getIndexFieldLabel()
                                + "=new String[]{" + labelSet.stream().map(s -> "\"" + s + "\"").collect(Collectors.joining(",")) + "}");
                        return builder.setScript(script);

        final String code = Arrays.stream(langFields).map(s -> "ctx._source['" + s + "_'+ctx._source." + langField + "]=ctx._source." + s)
                .collect(Collectors.joining(";"));
        if (logger.isDebugEnabled()) {
            logger.debug("reindex script: {}", code);
        }
        return "if(ctx._source." + langField + "!=null){" + code + "}";
    }

        assertEquals("aaa;ctx._source.title_ja=ctx._source.title;ctx._source.content_ja=ctx._source.content",
                languageHelper.createScript(doc, "aaa").getIdOrCode());
    }

    public void test_getReindexScriptSource() {
        assertEquals(
                "if(ctx._source.lang!=null){ctx._source['title_'+ctx._source.lang]=ctx._source.title;ctx._source['content_'+ctx._source.lang]=ctx._source.content}",

        final UpdateByQueryRequest request = new UpdateByQueryRequest(index).setQuery(QueryBuilders.idsQuery().addIds(id))
                .setScript(new Script(ScriptType.INLINE, "painless",
                        "ctx._source[params.f]=params.v;" + ComponentUtil.getLanguageHelper().getReindexScriptSource(),
                        Map.of("f", field, "v", value)));
        try {

                                        final Script script = ComponentUtil.getLanguageHelper().createScript(doc,
                                                "ctx._source." + fessConfig.getIndexFieldClickCount() + "+=" + count.toString());
                                        final Map<String, Object> upsertMap = new HashMap<>();

                        searchHelper.update(id, builder -> {
                            final Script script = ComponentUtil.getLanguageHelper().createScript(doc,
                                    "ctx._source." + fessConfig.getIndexFieldFavoriteCount() + "+=1");
                            builder.setScript(script);
                            final Map<String, Object> upsertMap = new HashMap<>();

e}},function(t,e){function n(){}n.prototype={on:function(t,e,n){var o=this.e||(this.e={});return(o[t]||(o[t]=[])).push({fn:e,ctx:n}),this},once:function(t,e,n){var o=this;function r(){o.off(t,r),e.apply(n,arguments)}return r._=e,this.on(t,r,n)},emit:function(t){for(var e=[].slice.call(arguments,1),n=((this.e||(this.e={}))[t]||[]).slice(),o=0,r=n.length;o<r;o++)n[o].fn.apply(n[o].ctx,e);return this},off:function(t,e){var n=this.e||(this.e={}),o=n[t],r=[];if(o&&e)for(var i=0,a=o.length;i<a;i++)o[i].fn!...