public DataNodeInfo get(Integer id) {
        Preconditions.expectNotNull(id, "data node id cannot be null");
        Response<DataNodeInfo> response = ClientUtils.executeHttpCall(dataNodeApi.get(id));
        ClientUtils.assertRespSuccess(response);
        return response.getData();
    }
Get data node by id.

@param id node id
@return node info
inlong-manager/manager-client/src/main/java/org/apache/inlong/manager/client/api/inner/client/DataNodeClient.java