/// <summary> /// Called after the ZooKeeper session has expired and a new session has been created. /// </summary> /// <param name="args">The <see cref="Kafka.Client.ZooKeeperIntegration.Events.ZooKeeperSessionCreatedEventArgs"/> instance containing the event data.</param> /// <remarks> /// You would have to re-create any ephemeral nodes here. /// Explicitly trigger load balancing for this consumer. /// </remarks> public void HandleSessionCreated(ZooKeeperSessionCreatedEventArgs args) { Guard.NotNull(args, "args"); Logger.InfoFormat( CultureInfo.CurrentCulture, "ZK expired; release old broker partition ownership; re-register consumer {0}", this.consumerIdString); this.loadBalancerListener.ResetState(); this.zkConsumerConnector.RegisterConsumerInZk(this.dirs, this.consumerIdString, this.topicCount); this.loadBalancerListener.SyncedRebalance(); }
/// <summary> /// Called after the ZooKeeper session has expired and a new session has been created. /// </summary> /// <param name="args">The <see cref="Kafka.Client.ZooKeeperIntegration.Events.ZooKeeperSessionCreatedEventArgs"/> instance containing the event data.</param> /// <remarks> /// We would have to re-create any ephemeral nodes here. /// </remarks> public void HandleSessionCreated(ZooKeeperSessionCreatedEventArgs args) { Guard.NotNull(args, "args"); this.EnsuresNotDisposed(); Logger.Debug("ZK expired; release old list of broker partitions for topics "); this.Reset(); this.brokerTopicsListener.ResetState(); foreach (var topic in this.topicBrokerPartitions.Keys) { this.zkclient.Subscribe(ZooKeeperClient.DefaultBrokerTopicsPath + "/" + topic, this.brokerTopicsListener); } }
/// <summary> /// Called after the ZooKeeper session has expired and a new session has been created. /// </summary> /// <param name="args">The <see cref="Kafka.Client.ZooKeeperIntegration.Events.ZooKeeperSessionCreatedEventArgs"/> instance containing the event data.</param> /// <remarks> /// You would have to re-create any ephemeral nodes here. /// Explicitly trigger load balancing for this consumer. /// </remarks> public void HandleSessionCreated(ZooKeeperSessionCreatedEventArgs args) { Guard.NotNull(args, "args"); // Notify listeners that ZK session has expired OnZKSessionExpired(EventArgs.Empty); Logger.InfoFormat("ZK session expired; release old broker partition ownership; re-register consumer {0}", this.consumerIdString); this.loadBalancerListener.ResetState(); this.zkConsumerConnector.RegisterConsumerInZk(this.dirs, this.consumerIdString, this.topicCount); Logger.Info("Performing rebalancing. ZK session has previously expired and a new session has been created"); this.loadBalancerListener.AsyncRebalance(); }
/// <summary> /// Invokes subscribed handlers for ZooKeeeper session re-creates event /// </summary> /// <param name="e"> /// The event data. /// </param> private void OnSessionCreated(ZooKeeperSessionCreatedEventArgs e) { var handlers = this.sessionCreatedHandlers; if (handlers == null) { return; } foreach (var handler in handlers.GetInvocationList()) { Logger.Debug(e + " sent to " + handler.Target); } handlers(e); }
public void HandleSessionCreated(ZooKeeperSessionCreatedEventArgs args) { Logger.Debug(args + " reach test event handler"); this.events.Add(args); }