How to use

getRestartStrategy

method

in

org.apache.flink.api.common.ExecutionConfig

/**
 * Returns the specified restart strategy configuration.
 *
 * @return The restart strategy configuration to be used
 */
@PublicEvolving
public RestartStrategies.RestartStrategyConfiguration getRestartStrategy() {
  return config.getRestartStrategy();
}

/**
 * Returns the specified restart strategy configuration.
 *
 * @return The restart strategy configuration to be used
 */
@PublicEvolving
public RestartStrategies.RestartStrategyConfiguration getRestartStrategy() {
  return config.getRestartStrategy();
}

public ArchivedExecutionConfig(ExecutionConfig ec) {
  executionMode = ec.getExecutionMode().name();
  if (ec.getRestartStrategy() != null) {
    restartStrategyDescription = ec.getRestartStrategy().getDescription();
  } else {
    restartStrategyDescription = "default";
  }
  parallelism = ec.getParallelism();
  objectReuseEnabled = ec.isObjectReuseEnabled();
  if (ec.getGlobalJobParameters() != null
      && ec.getGlobalJobParameters().toMap() != null) {
    globalJobParameters = ec.getGlobalJobParameters().toMap();
  } else {
    globalJobParameters = Collections.emptyMap();
  }
}

/**
 * Tests that in a streaming use case where checkpointing is enabled, there is no default strategy set on the
 * client side.
 */
@Test
public void testFallbackStrategyOnClientSideWhenCheckpointingEnabled() throws Exception {
  StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
  env.enableCheckpointing(500);
  env.fromElements(1).print();
  StreamGraph graph = env.getStreamGraph();
  JobGraph jobGraph = graph.getJobGraph();
  RestartStrategies.RestartStrategyConfiguration restartStrategy =
    jobGraph.getSerializedExecutionConfig().deserializeValue(getClass().getClassLoader()).getRestartStrategy();
  Assert.assertNotNull(restartStrategy);
  Assert.assertTrue(restartStrategy instanceof RestartStrategies.FallbackRestartStrategyConfiguration);
}

/**
 * Checks that in a streaming use case where checkpointing is enabled and the number
 * of execution retries is set to 0, restarting is deactivated.
 */
@Test
public void testNoRestartingWhenCheckpointingAndExplicitExecutionRetriesZero() throws Exception {
  StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
  env.enableCheckpointing(500);
  env.setNumberOfExecutionRetries(0);
  env.fromElements(1).print();
  StreamGraph graph = env.getStreamGraph();
  JobGraph jobGraph = graph.getJobGraph();
  RestartStrategies.RestartStrategyConfiguration restartStrategy =
    jobGraph.getSerializedExecutionConfig().deserializeValue(getClass().getClassLoader()).getRestartStrategy();
  Assert.assertNotNull(restartStrategy);
  Assert.assertTrue(restartStrategy instanceof RestartStrategies.NoRestartStrategyConfiguration);
}

  /**
   * Checks that in a streaming use case where checkpointing is enabled and the number
   * of execution retries is set to 42 and the delay to 1337, fixed delay restarting is used.
   */
  @Test
  public void testFixedRestartingWhenCheckpointingAndExplicitExecutionRetriesNonZero() throws Exception {
    StreamExecutionEnvironment env = StreamExecutionEnvironment.getExecutionEnvironment();
    env.enableCheckpointing(500);
    env.setNumberOfExecutionRetries(42);
    env.getConfig().setExecutionRetryDelay(1337);

    env.fromElements(1).print();

    StreamGraph graph = env.getStreamGraph();
    JobGraph jobGraph = graph.getJobGraph();

    RestartStrategies.RestartStrategyConfiguration restartStrategy =
      jobGraph.getSerializedExecutionConfig().deserializeValue(getClass().getClassLoader()).getRestartStrategy();

    Assert.assertNotNull(restartStrategy);
    Assert.assertTrue(restartStrategy instanceof RestartStrategies.FixedDelayRestartStrategyConfiguration);
    Assert.assertEquals(42, ((RestartStrategies.FixedDelayRestartStrategyConfiguration) restartStrategy).getRestartAttempts());
    Assert.assertEquals(1337, ((RestartStrategies.FixedDelayRestartStrategyConfiguration) restartStrategy).getDelayBetweenAttemptsInterval().toMilliseconds());
  }
}

/**
 * Returns the specified restart strategy configuration.
 *
 * @return The restart strategy configuration to be used
 */
@PublicEvolving
public RestartStrategies.RestartStrategyConfiguration getRestartStrategy() {
  return config.getRestartStrategy();
}

/**
 * Returns the specified restart strategy configuration.
 *
 * @return The restart strategy configuration to be used
 */
@PublicEvolving
public RestartStrategies.RestartStrategyConfiguration getRestartStrategy() {
  return config.getRestartStrategy();
}

/**
 * Returns the specified restart strategy configuration.
 *
 * @return The restart strategy configuration to be used
 */
@PublicEvolving
public RestartStrategies.RestartStrategyConfiguration getRestartStrategy() {
  return config.getRestartStrategy();
}

/**
 * Returns the specified restart strategy configuration.
 *
 * @return The restart strategy configuration to be used
 */
@PublicEvolving
public RestartStrategies.RestartStrategyConfiguration getRestartStrategy() {
  return config.getRestartStrategy();
}

/**
 * Returns the specified restart strategy configuration.
 *
 * @return The restart strategy configuration to be used
 */
@PublicEvolving
public RestartStrategies.RestartStrategyConfiguration getRestartStrategy() {
  return config.getRestartStrategy();
}

/**
 * Returns the specified restart strategy configuration.
 *
 * @return The restart strategy configuration to be used
 */
@PublicEvolving
public RestartStrategies.RestartStrategyConfiguration getRestartStrategy() {
  return config.getRestartStrategy();
}

/**
 * Returns the specified restart strategy configuration.
 *
 * @return The restart strategy configuration to be used
 */
@PublicEvolving
public RestartStrategies.RestartStrategyConfiguration getRestartStrategy() {
  return config.getRestartStrategy();
}

public ArchivedExecutionConfig(ExecutionConfig ec) {
  executionMode = ec.getExecutionMode().name();
  if (ec.getRestartStrategy() != null) {
    restartStrategyDescription = ec.getRestartStrategy().getDescription();
  } else {
    restartStrategyDescription = "default";
  }
  parallelism = ec.getParallelism();
  objectReuseEnabled = ec.isObjectReuseEnabled();
  if (ec.getGlobalJobParameters() != null
      && ec.getGlobalJobParameters().toMap() != null) {
    globalJobParameters = ec.getGlobalJobParameters().toMap();
  } else {
    globalJobParameters = Collections.emptyMap();
  }
}

public ArchivedExecutionConfig(ExecutionConfig ec) {
  executionMode = ec.getExecutionMode().name();
  if (ec.getRestartStrategy() != null) {
    restartStrategyDescription = ec.getRestartStrategy().getDescription();
  } else {
    restartStrategyDescription = "default";
  }
  parallelism = ec.getParallelism();
  objectReuseEnabled = ec.isObjectReuseEnabled();
  if (ec.getGlobalJobParameters() != null
      && ec.getGlobalJobParameters().toMap() != null) {
    globalJobParameters = ec.getGlobalJobParameters().toMap();
  } else {
    globalJobParameters = Collections.emptyMap();
  }
}

if (interval > 0) {
  if (streamGraph.getExecutionConfig().getRestartStrategy() == null) {

jobGraph.getSerializedExecutionConfig()
    .deserializeValue(userCodeLoader)
    .getRestartStrategy();

jobGraph.getSerializedExecutionConfig()
    .deserializeValue(userCodeLoader)
    .getRestartStrategy();

jobGraph.getSerializedExecutionConfig()
    .deserializeValue(userCodeLoader)
    .getRestartStrategy();

executionConfig.getRestartStrategy();