How to use

getVersion

method

in

co.cask.cdap.proto.id.ServiceId

/**
 * Gets a {@link URL} to call methods for a specific version of a {@link Service}.
 *
 * @param service {@link ServiceId} of the service
 * @return a URL to call methods of the service
 * @throws NotFoundException @throws NotFoundException if the app or service could not be found
 * @throws IOException if a network error occurred
 * @throws UnauthenticatedException if the request is not authorized successfully in the gateway server
 */
public URL getVersionedServiceURL(ServiceId service)
 throws NotFoundException, IOException, UnauthenticatedException, UnauthorizedException {
  // Make sure the service actually exists
  get(service);
  return config.resolveNamespacedURLV3(service.getNamespaceId(),
                     String.format("apps/%s/versions/%s/services/%s/methods/",
                            service.getApplication(), service.getVersion(),
                            service.getEntityName()));
}

/**
 * Checks whether the {@link Service} is active.
 *
 * @param service ID of the service
 * @throws IOException if a network error occurred
 * @throws UnauthenticatedException if the request is not authorized successfully in the gateway server
 * @throws NotFoundException if the app or service could not be found
 * @throws ServiceUnavailableException if the service is not available
 */
public void checkAvailability(ServiceId service) throws IOException, UnauthenticatedException, NotFoundException,
 ServiceUnavailableException, UnauthorizedException {
 URL url = config.resolveNamespacedURLV3(service.getNamespaceId(),
                     String.format("apps/%s/versions/%s/services/%s/available",
                            service.getApplication(), service.getVersion(),
                            service.getProgram()));
 HttpResponse response = restClient.execute(HttpMethod.GET, url, config.getAccessToken(),
                       HttpURLConnection.HTTP_NOT_FOUND, HttpURLConnection.HTTP_BAD_REQUEST,
                       HttpURLConnection.HTTP_UNAVAILABLE);
 if (response.getResponseCode() == HttpURLConnection.HTTP_NOT_FOUND) {
  throw new NotFoundException(service);
 }
 if (response.getResponseCode() == HttpURLConnection.HTTP_UNAVAILABLE) {
  throw new ServiceUnavailableException(service.getProgram());
 }
}