Examples of org.apache.helix.PropertyKey.Builder.instanceConfig()

Class org.apache.helix.PropertyKey.Builder

Examples of org.apache.helix.PropertyKey.Builder.instanceConfig()

org.apache.helix.PropertyKey.Builder.instanceConfig()

    HelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();


    for (String instanceName : instances) {
      InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instanceName));
      if (config.containsTag(tag)) {
        result.add(instanceName);
      }
    }
    return result;

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    if (liveInstance != null) {
      throw new HelixException("Can't drop " + instanceId + ", please stop " + instanceId
          + " before drop it");
    }


    InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instanceId));
    if (config == null) {
      String error = "Node " + instanceId + " does not exist, cannot drop";
      _logger.warn(error);
      throw new HelixException(error);
    }

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  public void swapInstance(String clusterName, String oldInstanceName, String newInstanceName) {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_zkClient));
    Builder keyBuilder = accessor.keyBuilder();


    InstanceConfig oldConfig = accessor.getProperty(keyBuilder.instanceConfig(oldInstanceName));
    if (oldConfig == null) {
      String error = "Old instance " + oldInstanceName + " does not exist, cannot swap";
      _logger.warn(error);
      throw new HelixException(error);
    }

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      String error = "Old instance " + oldInstanceName + " does not exist, cannot swap";
      _logger.warn(error);
      throw new HelixException(error);
    }


    InstanceConfig newConfig = accessor.getProperty(keyBuilder.instanceConfig(newInstanceName));
    if (newConfig == null) {
      String error = "New instance " + newInstanceName + " does not exist, cannot swap";
      _logger.warn(error);
      throw new HelixException(error);
    }

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    ClusterSetup.processCommandLineArgs(new String[] { "--zkSvr", ZK_ADDR,
        "--enableInstance", clusterName, "localhost_12918", "false" });
    ClusterSetup.processCommandLineArgs(new String[] { "--zkSvr", ZK_ADDR, "--dropNode",
        clusterName, "localhost:12918" });


    Assert.assertNull(accessor.getProperty(keyBuilder.instanceConfig("localhost_12918")),
                      "Instance config should be dropped");
    Assert.assertFalse(_gZkClient.exists(PropertyPathConfig.getPath(PropertyType.INSTANCES,
                                                                    clusterName,
                                                                    "localhost_12918")),
                       "Instance/host should be dropped");

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                                                                                 errStateMap));
    Assert.assertTrue(result);
    
    ZKHelixDataAccessor accessor = new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    Builder keyBuilder = accessor.keyBuilder();
    InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig("localhost_12918"));
    List<String> disabledPartitions = config.getDisabledPartitions();
    // System.out.println("disabledPartitions: " + disabledPartitions);
    Assert.assertEquals(disabledPartitions.size(), 1, "TestDB0_4 should be disabled");
    Assert.assertEquals(disabledPartitions.get(0), "TestDB0_4");

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  {
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor(zkClient));
    Builder keyBuilder = accessor.keyBuilder();


    InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instance));
    AssertJUnit.assertEquals(wantEnabled, config.getInstanceEnabled());
  }


  public void verifyReplication(ZkClient zkClient,
                                String clusterName,

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      // test change content
      HelixDataAccessor accessor = manager.getHelixDataAccessor();
      Builder keyBuilder = accessor.keyBuilder();
      String instanceName = "localhost_12918";
      HelixProperty value = accessor.getProperty(keyBuilder.instanceConfig(instanceName));
      value._record.setSimpleField("" + System.currentTimeMillis(), "newValue");
      listener._instanceConfigChanged = false;
      accessor.setProperty(keyBuilder.instanceConfig(instanceName), value);
      Thread.sleep(1000);  // wait zk callback
      Assert.assertTrue(listener._instanceConfigChanged, "Should get instanceConfig callback invoked since we change instanceConfig");

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      Builder keyBuilder = accessor.keyBuilder();
      String instanceName = "localhost_12918";
      HelixProperty value = accessor.getProperty(keyBuilder.instanceConfig(instanceName));
      value._record.setSimpleField("" + System.currentTimeMillis(), "newValue");
      listener._instanceConfigChanged = false;
      accessor.setProperty(keyBuilder.instanceConfig(instanceName), value);
      Thread.sleep(1000);  // wait zk callback
      Assert.assertTrue(listener._instanceConfigChanged, "Should get instanceConfig callback invoked since we change instanceConfig");


      value = accessor.getProperty(keyBuilder.clusterConfig());
      value._record.setSimpleField("" + System.currentTimeMillis(), "newValue");

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    {
      throw new HelixException("Can't drop " + instanceId + ", please stop " + instanceId
          + " before drop it");
    }


    InstanceConfig config = accessor.getProperty(keyBuilder.instanceConfig(instanceId));
    if (config == null)
    {
      String error = "Node " + instanceId + " does not exist, cannot drop";
      _logger.warn(error);
      throw new HelixException(error);

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