Package org.apache.helix.ZkTestHelper

Examples of org.apache.helix.ZkTestHelper.TestZkHelixManager

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    MockParticipant[] participants = new MockParticipant[5];
    for (int i = 0; i < 5; i++)
    {
      String instanceName = "localhost_" + (12918 + i);
      TestZkHelixManager manager =
          new TestZkHelixManager(clusterName,
                                 instanceName,
                                 InstanceType.PARTICIPANT,
                                 ZK_ADDR);
      participants[i] = new MockParticipant(manager, null);
      participants[i].syncStart();
    }

    TestZkHelixManager controller =
        new TestZkHelixManager(clusterName,
                               "controller_0",
                               InstanceType.CONTROLLER,
                               ZK_ADDR);
    controller.connect();

    boolean result;
    result =
        ClusterStateVerifier.verifyByPolling(new ClusterStateVerifier.BestPossAndExtViewZkVerifier(ZK_ADDR,
                                                                                                   clusterName));
    Assert.assertTrue(result);

    // participant session expiry
    TestZkHelixManager participantToExpire = (TestZkHelixManager)participants[1].getManager();

    System.out.println("Expire participant session");
    String oldSessionId = participantToExpire.getSessionId();
   
    ZkTestHelper.expireSession(participantToExpire.getZkClient());
    String newSessionId = participantToExpire.getSessionId();
    System.out.println("oldSessionId: " + oldSessionId + ", newSessionId: " + newSessionId);
    Assert.assertTrue(newSessionId.compareTo(oldSessionId) > 0, "Session id should be increased after expiry");

    ClusterSetup setupTool = new ClusterSetup(ZK_ADDR);
    setupTool.addResourceToCluster(clusterName, "TestDB1", 10, "MasterSlave");
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    // start participants
    for (int i = 0; i < 5; i++)
    {
      String instanceName = "localhost_" + (12918 + i);
      TestZkHelixManager manager =
          new TestZkHelixManager(clusterName,
                                 instanceName,
                                 InstanceType.PARTICIPANT,
                                 ZK_ADDR);
      participants[i] = new MockParticipant(manager, new SessionExpiryTransition());
      participants[i].syncStart();
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    private final AtomicBoolean _done = new AtomicBoolean();

    @Override
    public void doTransition(Message message, NotificationContext context)
    {
      TestZkHelixManager manager = (TestZkHelixManager)context.getManager();
    
      String instance = message.getTgtName();
      String partition = message.getPartitionName();
      if (instance.equals("localhost_12918")
          && partition.equals("TestDB0_1")  // TestDB0_1 is SLAVE on localhost_12918
          && _done.getAndSet(true) == false)
      {
        try
        {
          ZkTestHelper.expireSession(manager.getZkClient());
        }
        catch (Exception e)
        {
          // TODO Auto-generated catch block
          e.printStackTrace();
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Related Classes of org.apache.helix.ZkTestHelper.TestZkHelixManager

  • org.apache.helix.integration.TestSessionExpiryInTransition
  • org.apache.helix.integration.TestSessionExpiryInTransition$SessionExpiryTransition
  • org.apache.helix.integration.TestStandAloneCMSessionExpiry
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