How to use

getStateBackend

method

in

org.apache.flink.streaming.api.environment.StreamExecutionEnvironment

/**
 * Private constructor. The generator should only be invoked using {@link #generate}.
 */
private StreamGraphGenerator(StreamExecutionEnvironment env) {
  this.streamGraph = new StreamGraph(env);
  this.streamGraph.setChaining(env.isChainingEnabled());
  this.streamGraph.setStateBackend(env.getStateBackend());
  this.env = env;
  this.alreadyTransformed = new HashMap<>();
}

  /**
   * Sets the state backend to a new {@link StubStateBackend} which has a {@link MonotonicTTLTimeProvider}.
   *
   * @param env The {@link StreamExecutionEnvironment} of the job.
   * @return The {@link MonotonicTTLTimeProvider}.
   */
  private static MonotonicTTLTimeProvider setBackendWithCustomTTLTimeProvider(StreamExecutionEnvironment env) {
    final MonotonicTTLTimeProvider ttlTimeProvider = new MonotonicTTLTimeProvider();

    final StateBackend configuredBackend = env.getStateBackend();
    final StateBackend stubBackend = new StubStateBackend(configuredBackend, ttlTimeProvider);
    env.setStateBackend(stubBackend);

    return ttlTimeProvider;
  }
}

/**
 * Private constructor. The generator should only be invoked using {@link #generate}.
 */
private StreamGraphGenerator(StreamExecutionEnvironment env) {
  this.streamGraph = new StreamGraph(env);
  this.streamGraph.setChaining(env.isChainingEnabled());
  this.streamGraph.setStateBackend(env.getStateBackend());
  this.env = env;
  this.alreadyTransformed = new HashMap<>();
}

/**
 * Private constructor. The generator should only be invoked using {@link #generate}.
 */
private StreamGraphGenerator(StreamExecutionEnvironment env) {
  this.streamGraph = new StreamGraph(env);
  this.streamGraph.setChaining(env.isChainingEnabled());
  this.streamGraph.setStateBackend(env.getStateBackend());
  this.env = env;
  this.alreadyTransformed = new HashMap<>();
}

/**
 * Private constructor. The generator should only be invoked using {@link #generate}.
 */
private StreamGraphGenerator(StreamExecutionEnvironment env) {
  this.streamGraph = new StreamGraph(env);
  this.streamGraph.setChaining(env.isChainingEnabled());
  this.streamGraph.setStateBackend(env.getStateBackend());
  this.env = env;
  this.alreadyTransformed = new HashMap<>();
}