Add mappings to an Elasticsearch index in realtime

ClusterState cs = client.admin().cluster().prepareState().setFilterIndices("myIndex").execute().actionGet().getState();  
IndexMetaData imd = cs.getMetaData().index("myIndex")  
MappingMetaData mdd = imd.mapping("myType")  

private void putMapping() {  
    if (client != null) {  
       if (client.admin().indices().prepareExists(IndexName).execute().actionGet().isExists()) {  
          XContentBuilder mappings = null;  
          try {  
             mappings = XContentFactory.jsonBuilder()  
        .startObject()  
            .startObject(INDEX_TYPE)  
                .startObject("properties")  
            .startObject(FIELD_NAME)  
                 .field("type","string")  
                 .field("store","yes")  
             .field("index", "易做图yzed")  
             .field("易做图yzer", "易做图")  
            .endObject()  
                .endObject()  
              .endObject()  
        .endObject();  
          } catch (IOException e) {  
         e.printStackTrace();  
          }  
          client.admin().indices().prepareClose(IndexName).execute().actionGet();  
          client.admin().indices().prepareDeleteMapping(IndexName).setType(INDEX_TYPE).execute().actionGet();  
          client.admin().indices().preparePutMapping(IndexName).setIgnoreConflicts(true).setType(INDEX_TYPE).setSource(mappings).execute().actionGet();  
      client.admin().indices().prepareOpen(IndexName).execute().actionGet();  
       }  
  
    } else {  
    throw new IllegalStateException(" Elastic Search not initialized properly..");  
    }  
}