How to use

retrieve

method

in

org.apache.flink.client.deployment.ClusterDescriptor

} else {
  try {
    final ClusterClient<T> clusterClient = clusterDescriptor.retrieve(clusterId);

try {
  clusterClient = clusterDescriptor.retrieve(clusterId);
  String webInterfaceUrl;

final Thread shutdownHook;
if (clusterId != null) {
  client = clusterDescriptor.retrieve(clusterId);
  shutdownHook = null;
} else {

try {
  clusterClient = clusterDescriptor.retrieve(context.getClusterId());
  try {
    clusterClient.cancel(new JobID(StringUtils.hexStringToByte(resultId)));

/**
 * Tests that command line options override the configuration settings.
 */
@Test
public void testManualConfigurationOverride() throws Exception {
  final String localhost = "localhost";
  final int port = 1234;
  final Configuration configuration = getConfiguration();
  configuration.setString(JobManagerOptions.ADDRESS, localhost);
  configuration.setInteger(JobManagerOptions.PORT, port);
  @SuppressWarnings("unchecked")
  final AbstractCustomCommandLine<StandaloneClusterId> defaultCLI =
    (AbstractCustomCommandLine<StandaloneClusterId>) getCli(configuration);
  final String manualHostname = "123.123.123.123";
  final int manualPort = 4321;
  final String[] args = {"-m", manualHostname + ':' + manualPort};
  CommandLine commandLine = defaultCLI.parseCommandLineOptions(args, false);
  final ClusterDescriptor<StandaloneClusterId> clusterDescriptor =
    defaultCLI.createClusterDescriptor(commandLine);
  final ClusterClient<?> clusterClient = clusterDescriptor.retrieve(defaultCLI.getClusterId(commandLine));
  final LeaderConnectionInfo clusterConnectionInfo = clusterClient.getClusterConnectionInfo();
  assertThat(clusterConnectionInfo.getHostname(), Matchers.equalTo(manualHostname));
  assertThat(clusterConnectionInfo.getPort(), Matchers.equalTo(manualPort));
}

/**
 * Tests that the configuration is properly passed via the DefaultCLI to the
 * created ClusterDescriptor.
 */
@Test
public void testConfigurationPassing() throws Exception {
  final Configuration configuration = getConfiguration();
  final String localhost = "localhost";
  final int port = 1234;
  configuration.setString(JobManagerOptions.ADDRESS, localhost);
  configuration.setInteger(JobManagerOptions.PORT, port);
  @SuppressWarnings("unchecked")
  final AbstractCustomCommandLine<StandaloneClusterId> defaultCLI =
    (AbstractCustomCommandLine<StandaloneClusterId>) getCli(configuration);
  final String[] args = {};
  CommandLine commandLine = defaultCLI.parseCommandLineOptions(args, false);
  final ClusterDescriptor<StandaloneClusterId> clusterDescriptor =
    defaultCLI.createClusterDescriptor(commandLine);
  final ClusterClient<?> clusterClient = clusterDescriptor.retrieve(defaultCLI.getClusterId(commandLine));
  final LeaderConnectionInfo clusterConnectionInfo = clusterClient.getClusterConnectionInfo();
  assertThat(clusterConnectionInfo.getHostname(), Matchers.equalTo(localhost));
  assertThat(clusterConnectionInfo.getPort(), Matchers.equalTo(port));
}

} else {
  try {
    final ClusterClient<T> clusterClient = clusterDescriptor.retrieve(clusterId);

} else {
  try {
    final ClusterClient<T> clusterClient = clusterDescriptor.retrieve(clusterId);

final Thread shutdownHook;
if (clusterId != null) {
  client = clusterDescriptor.retrieve(clusterId);
  shutdownHook = null;
} else {

  client = clusterDescriptor.retrieve(clusterId);
} else {