/// <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.Assert<ArgumentNullException>(() => args != null);
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.Assert<ArgumentNullException>(() => args != null);
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>
/// 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);
}
/// <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.resetSlimLock.EnterWriteLock();
try
{
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);
}
}
finally
{
this.resetSlimLock.ExitWriteLock();
}
}
