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

Class org.apache.helix.PropertyKey.Builder

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

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

    for (int i = 0; i < liveInstances.length; i++) {
      String instance = "localhost_" + liveInstances[i];
      LiveInstance liveInstance = new LiveInstance(instance);
      liveInstance.setSessionId("session_" + liveInstances[i]);
      liveInstance.setHelixVersion("0.4.0");
      accessor.setProperty(keyBuilder.liveInstance(instance), liveInstance);
    }
  }


  protected void setupInstances(String clusterName, int[] instances) {
    HelixAdmin admin = new ZKHelixAdmin(_gZkClient);

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    // dummyRecord = new ZNRecord("localhost_9801");
    LiveInstance liveInstance = new LiveInstance("localhost_9801");
    liveInstance.setSessionId(UUID.randomUUID().toString());
    liveInstance.setHelixVersion(UUID.randomUUID().toString());
    accessor.setProperty(keyBuilder.liveInstance("localhost_9801"), liveInstance);
    Thread.sleep(500);
    AssertJUnit.assertTrue(testListener.liveInstanceChangeReceived);
    testListener.Reset();


    // dataAccessor.setNodeConfigs(recList); Thread.sleep(100);

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        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    Builder keyBuilder = new Builder(clusterName);
    LiveInstance liveInstance = new LiveInstance("localhost_12918");
    liveInstance.setSessionId("session_0");
    liveInstance.setHelixVersion("version_0");
    accessor.setProperty(keyBuilder.liveInstance("localhost_12918"), liveInstance);


    // drop without stop the process, should throw exception
    try {
      ClusterSetup.processCommandLineArgs(new String[] {
          "--zkSvr", ZK_ADDR, "--dropNode", clusterName, "localhost:12918"

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      });
      Assert.fail("Should throw exception since localhost_12918 is still in LIVEINSTANCES/");
    } catch (Exception e) {
      // OK
    }
    accessor.removeProperty(keyBuilder.liveInstance("localhost_12918"));


    // drop without disable, should throw exception
    try {
      ClusterSetup.processCommandLineArgs(new String[] {
          "--zkSvr", ZK_ADDR, "--dropNode", clusterName, "localhost:12918"

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    Builder keyBuilder = accessor.keyBuilder();


    LiveInstance newLiveIns = new LiveInstance("newLiveInstance");
    newLiveIns.setHelixVersion("0.6.0");
    newLiveIns.setSessionId("randomSessionId");
    accessor.setProperty(keyBuilder.liveInstance("newLiveInstance"), newLiveIns);


    Thread.sleep(1000); // wait for the CALLBACK type callback to finish
    Assert.assertTrue(_callback._isCallbackInvoked);


    // clean up

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    InstanceConfig instanceConfig = toInstanceConfig(instanceId);
    instanceId = instanceConfig.getInstanceName();


    // ensure node is stopped
    LiveInstance liveInstance = accessor.getProperty(keyBuilder.liveInstance(instanceId));
    if (liveInstance != null) {
      throw new HelixException("Can't drop " + instanceId + ", please stop " + instanceId
          + " before drop it");
    }

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      participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
      participants[i].syncStart();
    }


    // change localhost_12918 version to 0.5, so batch-message-mode will be ignored
    LiveInstance liveInstance = accessor.getProperty(keyBuilder.liveInstance("localhost_12918"));
    liveInstance.setHelixVersion("0.5");
    accessor.setProperty(keyBuilder.liveInstance("localhost_12918"), liveInstance);


    // resume controller
    // --enableCluster <clusterName true/false>

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    }


    // change localhost_12918 version to 0.5, so batch-message-mode will be ignored
    LiveInstance liveInstance = accessor.getProperty(keyBuilder.liveInstance("localhost_12918"));
    liveInstance.setHelixVersion("0.5");
    accessor.setProperty(keyBuilder.liveInstance("localhost_12918"), liveInstance);


    // resume controller
    // --enableCluster <clusterName true/false>
    ClusterSetup.processCommandLineArgs(new String[] {
        "--zkSvr", ZK_ADDR, "--enableCluster", clusterName, "true"

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


    // check the instance is alive
    LiveInstance liveInstance = accessor.getProperty(keyBuilder.liveInstance(instanceName));
    if (liveInstance == null) {
      throw new HelixException("Can't reset state for " + resourceName + "/" + partitionNames
          + " on " + instanceName + ", because " + instanceName + " is not alive");
    }

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    // errors
    ZKHelixDataAccessor accessor =
        new ZKHelixDataAccessor(clusterName, new ZkBaseDataAccessor<ZNRecord>(_gZkClient));
    Builder keyBuilder = accessor.keyBuilder();


    LiveInstance liveInstance = accessor.getProperty(keyBuilder.liveInstance(instance));
    accessor.removeProperty(keyBuilder.stateTransitionStatus(instance, liveInstance.getTypedSessionId()
        .stringify(), resource, partition));


  }
  // TODO: throw exception in reset()

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