code: public String addDateDocuments(String indexName, String indexType, List<?> beans) throws ElasticSearchException{
  		return addDocuments(this.indexNameBuilder.getIndexName(indexName),   indexType,     beans);
  	}
docs: 批量创建索引,根据时间格式建立新的索引表
  @param indexName
  @param indexType
  @param beans
  @return
  @throws ElasticSearchException