Package org.apache.helix.integration.manager

Examples of org.apache.helix.integration.manager.MockParticipantManager

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    _setupTool.rebalanceCluster(CLUSTER_NAME, db2, 1, "ucpx", _tag);

    // start dummy participants
    for (int i = 0; i < NODE_NR; i++) {
      String instanceName = PARTICIPANT_PREFIX + "_" + (START_PORT + i);
      MockParticipantManager participant =
          new MockParticipantManager(ZK_ADDR, CLUSTER_NAME, instanceName);
      participant.syncStart();
      _participants[i] = participant;

    }

    // start controller
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    // add 2 nodes
    for (int i = 0; i < 2; i++) {
      String storageNodeName = PARTICIPANT_PREFIX + "_" + (1000 + i);
      _setupTool.addInstanceToCluster(CLUSTER_NAME, storageNodeName);

      MockParticipantManager participant =
          new MockParticipantManager(ZK_ADDR, CLUSTER_NAME, storageNodeName.replace(':', '_'));
      participant.syncStart();
    }
    Thread.sleep(1000);
    result =
        ClusterStateVerifier.verifyByZkCallback(new ExternalViewBalancedVerifier(_gZkClient,
            CLUSTER_NAME, TEST_DB));
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    for (int i = 0; i < n; i++) {
      String instanceName = "localhost_" + (12918 + i);

      if (i == 0) {
        participants[i] =
            new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
        participants[i].setTransition(new ErrTransition(errPartitions));
      } else {
        participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
      }
      participants[i].syncStart();
    }

    // verify cluster
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        Thread.sleep(1000);
      } catch (InterruptedException e) {
        e.printStackTrace();
      }
      // restart the participant
      _participants[i] = new MockParticipantManager(ZK_ADDR, CLUSTER_NAME, instanceName);
      _participants[i].syncStart();
      Thread.sleep(100);
    }
    Thread.sleep(4000);
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        10, // partitions per resource
        5, // number of nodes
        3, // replicas
        "MasterSlave", true); // do rebalance

    MockParticipantManager participant =
        new MockParticipantManager(ZK_ADDR, clusterName, "localhost_12918");
    participant.syncStart();

    // Logger.getRootLogger().setLevel(Level.INFO);
    String lastSessionId = participant.getSessionId();
    for (int i = 0; i < 3; i++) {
      // System.err.println("curSessionId: " + lastSessionId);
      ZkTestHelper.expireSession(participant.getZkClient());

      String sessionId = participant.getSessionId();
      Assert.assertTrue(sessionId.compareTo(lastSessionId) > 0,
          "Session id should be increased after expiry");
      lastSessionId = sessionId;

      // make sure session id is not 0
      Assert.assertFalse(sessionId.equals("0"),
          "Hit race condition in zhclient.handleNewSession(). sessionId is not returned yet.");

      // TODO: need to test session expiry during handleNewSession()
    }

    // Logger.getRootLogger().setLevel(Level.INFO);
    System.out.println("Disconnecting ...");
    participant.syncStop();

    System.out.println("END " + clusterName + " at " + new Date(System.currentTimeMillis()));

  }
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        5, // number of nodes
        3, // replicas
        "MasterSlave", true); // do rebalance

    String instanceName = "localhost_" + (12918 + 0);
    MockParticipantManager manager = new MockParticipantManager(ZK_ADDR, clusterName, instanceName);

    manager.connect();
    ZkClient zkClient = manager.getZkClient();
    ZkTestHelper.expireSession(zkClient);
    for (int i = 0; i < 4; i++) {
      ZkTestHelper.expireSession(zkClient);
      Thread.sleep(1000);
      if (i < 5) {
        // System.out.println(i);
        Assert.assertTrue(manager.isConnected());
      }
    }
    ZkTestHelper.disconnectSession(zkClient);
    for (int i = 0; i < 20; i++) {
      Thread.sleep(500);
      System.out.println(i);
      if (!manager.isConnected())
        break;
    }
    Assert.assertFalse(manager.isConnected());
  }
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        1, // number of nodes
        1, // replicas
        "MasterSlave", false);

    final String instanceName = "localhost_12918";
    MockParticipantManager participant =
        new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
    participant.syncStart();

    final ZkClient client = participant.getZkClient();
    final ZkStateCountListener listener = new ZkStateCountListener();
    client.subscribeStateChanges(listener);

    final AtomicInteger expectDisconnectCnt = new AtomicInteger(0);
    final int n = ZKHelixManager.MAX_DISCONNECT_THRESHOLD;
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    Assert.assertFalse(liveInstance.getSessionId().equals("value"));
    Assert.assertFalse(liveInstance.getLiveInstance().equals("value"));

    // //////////////////////////////////

    MockParticipantManager manager2 =
        new MockParticipantManager(ZK_ADDR, clusterName, "localhost_3");

    manager2.setLiveInstanceInfoProvider(new provider(true));

    manager2.connect();
    accessor = manager2.getHelixDataAccessor();

    liveInstance = accessor.getProperty(accessor.keyBuilder().liveInstance("localhost_3"));
    Assert.assertTrue(liveInstance.getRecord().getListFields().size() == 1);
    Assert.assertTrue(liveInstance.getRecord().getMapFields().size() == 1);
    Assert.assertTrue(liveInstance.getRecord().getSimpleFields().size() == 5);
    Assert.assertFalse(liveInstance.getSessionId().equals("value"));
    Assert.assertFalse(liveInstance.getLiveInstance().equals("value"));
    String sessionId = liveInstance.getSessionId();

    ZkTestHelper.expireSession(manager2.getZkClient());
    Thread.sleep(1000);

    liveInstance = accessor.getProperty(accessor.keyBuilder().liveInstance("localhost_3"));
    Assert.assertTrue(liveInstance.getRecord().getListFields().size() == 1);
    Assert.assertTrue(liveInstance.getRecord().getMapFields().size() == 1);
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    for (int i = 0; i < n; i++) {
      String instanceName = "localhost_" + (12918 + i);

      if (i == 0) {
        participants[i] =
            new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
        participants[i].setTransition(new ErrTransition(errPartitions));
      } else {
        participants[i] = new MockParticipantManager(ZK_ADDR, clusterName, instanceName);
      }
      participants[i].syncStart();
    }

    // verify cluster
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    // start n-1 participants
    for (int i = 1; i < n; i++) {
      String instanceName = "localhost_" + (12918 + i);

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

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

    // start the remaining 1 participant
    participants[0] = new MockParticipantManager(ZK_ADDR, clusterName, "localhost_12918");
    participants[0].syncStart();

    // make sure we have all participants in MASTER state
    result =
        ClusterStateVerifier.verifyByZkCallback(new BestPossAndExtViewZkVerifier(ZK_ADDR,
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