Elasticsearch Java create mapping

gistfile1.java

        Client client = new TransportClient().addTransportAddress(new InetSocketTransportAddress(
                "localhost", 9300));

        XContentBuilder mapping = XContentFactory.jsonBuilder()
                .startObject()
                    .startObject("mappings")
                        .startObject("testobject")
                            .startObject("properties")
                                .startObject("key")
                                    .field("type", "string")
                                    .field("search_analyzer", "standard")
                                    .field("index_analyzer", "partial_filename_analyzer")
                                .endObject()
                                .startObject("description")
                                    .field("type", "string")
                                .endObject()
                                .startObject("owningSiteId")
                                    .field("type", "string")
                                .endObject()
                            .endObject()
                        .endObject()
                    .endObject()
                .endObject();
        
        XContentBuilder index = XContentFactory.jsonBuilder()
                .startObject()
                        .startObject("index")
                            .startObject("analysis")
                                .startObject("filter")
                                    .startObject("partial_filename")
                                        .field("max_gram", 2)
                                        .field("min_gram", 250)
                                        .field("type", "ngram")
                                    .endObject()
                                .endObject()
                            .endObject()
                            .startObject("analyzer")
                                .startObject("partial_filename_analyzer")
                                    .array("filter", new String[]{"standard", "lowercase", "asciifolding", "partial_filename"})
                                    .field("type", "custom")
                                    .field("tokenizer", "standard")
                                .endObject()
                            .endObject()
                        .endObject()
                 .endObject();         
        
        CreateIndexRequestBuilder irb = client.admin().indices().prepareCreate("testindex");
        irb.setSettings(index);
        irb.addMapping("testobject", mapping);
        irb.execute().actionGet();