How to use

convertExecutorBeats

method

in

org.apache.storm.cluster.ClusterUtils

/**
 * need to take executor->node+port in explicitly so that we don't run into a situation where a long dead worker with a skewed clock
 * overrides all the timestamps. By only checking heartbeats with an assigned node+port, and only reading executors from that heartbeat
 * that are actually assigned, we avoid situations like that.
 *
 * @param stormId          topology id
 * @param executorNodePort executor id -> node + port
 * @return mapping of executorInfo -> executor beat
 */
@Override
public Map<ExecutorInfo, ExecutorBeat> executorBeats(String stormId, Map<List<Long>, NodeInfo> executorNodePort) {
  Map<ExecutorInfo, ExecutorBeat> executorWhbs = new HashMap<>();
  Map<NodeInfo, List<List<Long>>> nodePortExecutors = Utils.reverseMap(executorNodePort);
  for (Map.Entry<NodeInfo, List<List<Long>>> entry : nodePortExecutors.entrySet()) {
    String node = entry.getKey().get_node();
    Long port = entry.getKey().get_port_iterator().next();
    ClusterWorkerHeartbeat whb = getWorkerHeartbeat(stormId, node, port);
    List<ExecutorInfo> executorInfoList = new ArrayList<>();
    for (List<Long> list : entry.getValue()) {
      executorInfoList.add(new ExecutorInfo(list.get(0).intValue(), list.get(list.size() - 1).intValue()));
    }
    if (whb != null) {
      executorWhbs.putAll(ClusterUtils.convertExecutorBeats(executorInfoList, whb));
    }
  }
  return executorWhbs;
}

/**
 * need to take executor->node+port in explicitly so that we don't run into a situation where a long dead worker with a skewed clock overrides all the
 * timestamps. By only checking heartbeats with an assigned node+port, and only reading executors from that heartbeat that are actually assigned, we avoid
 * situations like that
 * 
 * @param stormId
 * @param executorNodePort
 * @return
 */
@Override
public Map<ExecutorInfo, ExecutorBeat> executorBeats(String stormId, Map<List<Long>, NodeInfo> executorNodePort) {
  Map<ExecutorInfo, ExecutorBeat> executorWhbs = new HashMap<>();
  Map<NodeInfo, List<List<Long>>> nodePortExecutors = Utils.reverseMap(executorNodePort);
  for (Map.Entry<NodeInfo, List<List<Long>>> entry : nodePortExecutors.entrySet()) {
    String node = entry.getKey().get_node();
    Long port = entry.getKey().get_port_iterator().next();
    ClusterWorkerHeartbeat whb = getWorkerHeartbeat(stormId, node, port);
    List<ExecutorInfo> executorInfoList = new ArrayList<>();
    for (List<Long> list : entry.getValue()) {
      executorInfoList.add(new ExecutorInfo(list.get(0).intValue(), list.get(list.size() - 1).intValue()));
    }
    if (whb != null)
      executorWhbs.putAll(ClusterUtils.convertExecutorBeats(executorInfoList, whb));
  }
  return executorWhbs;
}