Package org.apache.helix.controller

Examples of org.apache.helix.controller.ExternalViewGenerator

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    {
      replicas[i] = 3;
    }
    Map<String, List<ZNRecord>> currentStates = createCurrentStates(dbNames,
        nodeNames, partitions, replicas);
    ExternalViewGenerator provider = new ExternalViewGenerator();

    List<ZNRecord> mockIdealStates = new ArrayList<ZNRecord>();
    for (String dbName : dbNames)
    {
      ZNRecord rec = new ZNRecord(dbName);
      mockIdealStates.add(rec);
    }
    List<ZNRecord> externalView = provider.computeExternalView(currentStates,
        mockIdealStates);

    Map<String, Map<String, Set<String>>> routingMap = provider
        .getRouterMapFromExternalView(externalView);

    verify(currentStates, routingMap);

    /* write current state and external view to ZK */
 
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    for (int i = 0; i < replicas.length; i++) {
      replicas[i] = 3;
    }
    Map<String, List<ZNRecord>> currentStates =
        createCurrentStates(dbNames, nodeNames, partitions, replicas);
    ExternalViewGenerator provider = new ExternalViewGenerator();

    List<ZNRecord> mockIdealStates = new ArrayList<ZNRecord>();
    for (String dbName : dbNames) {
      ZNRecord rec = new ZNRecord(dbName);
      mockIdealStates.add(rec);
    }
    List<ZNRecord> externalView = provider.computeExternalView(currentStates, mockIdealStates);

    Map<String, Map<String, Set<String>>> routingMap =
        provider.getRouterMapFromExternalView(externalView);

    verify(currentStates, routingMap);

    /* write current state and external view to ZK */
    /*
 
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    for (int i = 0; i < replicas.length; i++) {
      replicas[i] = 3;
    }
    Map<String, List<ZNRecord>> currentStates =
        createCurrentStates(dbNames, nodeNames, partitions, replicas);
    ExternalViewGenerator provider = new ExternalViewGenerator();

    List<ZNRecord> mockIdealStates = new ArrayList<ZNRecord>();
    for (String dbName : dbNames) {
      ZNRecord rec = new ZNRecord(dbName);
      mockIdealStates.add(rec);
    }
    List<ZNRecord> externalView = provider.computeExternalView(currentStates, mockIdealStates);

    Map<String, Map<String, Set<String>>> routingMap =
        provider.getRouterMapFromExternalView(externalView);

    verify(currentStates, routingMap);

    /* write current state and external view to ZK */
    /*
 
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Related Classes of org.apache.helix.controller.ExternalViewGenerator

  • org.apache.helix.TestZKRoutingInfoProvider
  • org.apache.helix.ZNRecord
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