elasticsearch + java + index 삭제

	static public void indexRemoveQuery(RestHighLevelClient param, String targetIndex) {
		
		DeleteIndexRequest deleteIndexRequest = new DeleteIndexRequest(targetIndex);
		try {
			
			param.indices().delete(deleteIndexRequest, RequestOptions.DEFAULT);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		System.out.println(targetIndex +" : index remove success");
	}