How to use

credentialsPath

method

in

org.apache.storm.cluster.ClusterUtils

@Override
public Credentials credentials(String stormId, Runnable callback) {
  if (callback != null) {
    credentialsCallback.put(stormId, callback);
  }
  String path = ClusterUtils.credentialsPath(stormId);
  return ClusterUtils.maybeDeserialize(stateStorage.get_data(path, callback != null), Credentials.class);
}

@Override
public void setCredentials(String stormId, Credentials creds, Map<String, Object> topoConf) {
  List<ACL> aclList = ClusterUtils.mkTopoReadOnlyAcls(topoConf);
  String path = ClusterUtils.credentialsPath(stormId);
  stateStorage.set_data(path, Utils.serialize(creds), aclList);
}

@Override
public void removeStorm(String stormId) {
  stateStorage.delete_node(ClusterUtils.assignmentPath(stormId));
  this.assignmentsBackend.clearStateForStorm(stormId);
  stateStorage.delete_node(ClusterUtils.credentialsPath(stormId));
  stateStorage.delete_node(ClusterUtils.logConfigPath(stormId));
  stateStorage.delete_node(ClusterUtils.profilerConfigPath(stormId));
  removeStormBase(stormId);
}

@Override
public Credentials credentials(String stormId, Runnable callback) {
  if (callback != null) {
    credentialsCallback.put(stormId, callback);
  }
  String path = ClusterUtils.credentialsPath(stormId);
  return ClusterUtils.maybeDeserialize(stateStorage.get_data(path, callback != null), Credentials.class);
}

@Override
public void setCredentials(String stormId, Credentials creds, Map topoConf) {
  List<ACL> aclList = ClusterUtils.mkTopoReadOnlyAcls(topoConf);
  String path = ClusterUtils.credentialsPath(stormId);
  stateStorage.set_data(path, Utils.serialize(creds), aclList);
}

@Override
public void removeStorm(String stormId) {
  stateStorage.delete_node(ClusterUtils.assignmentPath(stormId));
  stateStorage.delete_node(ClusterUtils.credentialsPath(stormId));
  stateStorage.delete_node(ClusterUtils.logConfigPath(stormId));
  stateStorage.delete_node(ClusterUtils.profilerConfigPath(stormId));
  removeStormBase(stormId);
}