Package com.linkedin.helix

Examples of com.linkedin.helix.ClusterView

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  public static ClusterView convertStateModelMapToClusterView(String outFile, String instanceName,
      StateModelFactory<StateModel> stateModelFactory)
  {
    Map<String, StateModel> currentStateMap = stateModelFactory.getStateModelMap();
    ClusterView curView = new ClusterView();

    ClusterView.MemberInstance memberInstance = curView.getMemberInstance(instanceName, true);
    List<ZNRecord> curStateList = new ArrayList<ZNRecord>();

    for (Map.Entry<String, StateModel> entry : currentStateMap.entrySet())
    {
      String stateUnitKey = entry.getKey();
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  public static boolean verifyFileBasedClusterStates(String instanceName, String expectedFile,
      String curFile)
  {
    boolean ret = true;
    ClusterView expectedView = ClusterViewSerializer.deserialize(new File(expectedFile));
    ClusterView curView = ClusterViewSerializer.deserialize(new File(curFile));

    // ideal_state for instance with the given instanceName
    Map<String, String> idealStates = new HashMap<String, String>();
    for (ZNRecord idealStateItem : expectedView.getPropertyList(PropertyType.IDEALSTATES))
    {
      Map<String, Map<String, String>> allIdealStates = idealStateItem.getMapFields();

      for (Map.Entry<String, Map<String, String>> entry : allIdealStates.entrySet())
      {
        if (entry.getValue().containsKey(instanceName))
        {
          String state = entry.getValue().get(instanceName);
          idealStates.put(entry.getKey(), state);
        }
      }
    }

    ClusterView.MemberInstance memberInstance = curView.getMemberInstance(instanceName, false);
    List<ZNRecord> curStateList = memberInstance.getInstanceProperty(PropertyType.CURRENTSTATES);

    if (curStateList == null && idealStates.size() > 0)
    {
      LOG.info("current state is null");
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    // "localhost:8902", "localhost:8903",
    // "localhost:8904" };
    String[] nodesInfo = { "localhost:12918" };
    int replication = 0;

    ClusterView view = StaticFileHelixManager.generateStaticConfigClusterView(nodesInfo, dbParams, replication);
    view.setExternalView(new LinkedList<ZNRecord>());
    String file = "/tmp/clusterView.json";
    // ClusterViewSerializer serializer = new ClusterViewSerializer(file);

    // byte[] bytes;
    ClusterViewSerializer.serialize(view, new File(file));
    // String str1 = new String(bytes);
    ClusterView restoredView = ClusterViewSerializer.deserialize(new File(file));
    // logger.info(restoredView);

    // byte[] bytes2 = serializer.serialize(restoredView);

    VerifyClusterViews(view, restoredView);
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Related Classes of com.linkedin.helix.ClusterView

  • com.linkedin.helix.integration.TestFileBasedHelixManager
  • com.linkedin.helix.manager.file.StaticFileHelixManager
  • com.linkedin.helix.manager.file.TestStaticFileCM
  • com.linkedin.helix.TestClusterviewSerializer
  • com.linkedin.helix.tools.ClusterStateVerifier
  • com.linkedin.helix.tools.ClusterViewSerializer
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