public void StartConnections(List<PartitionTopicInfo> topicInfos, Cluster cluster)
{
this.leaderFinderThread = new LeaderFinderThread(this, this.consumerIdString + "-leader-finder-thread");
this.leaderFinderThread.Start();
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try
{
this.partitionMap = topicInfos.ToDictionary(x => new TopicAndPartition(x.Topic, x.PartitionId), x => x);
this.cluster = cluster;
var noLeaders = topicInfos.Select(x => new TopicAndPartition(x.Topic, x.PartitionId)).ToList();
foreach (var noLeader in noLeaders)
{
this.NoLeaderPartitionSet.Add(noLeader);
}
this.cond.SignalAll();
}
finally
{
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}
}
public void StopConnections()
{
/*
* Stop the leader finder thread first before stopping fetchers. Otherwise, if there are more partitions without
* leader, then the leader finder thread will process these partitions (before shutting down) and add fetchers for
* these partitions.
*/
Logger.InfoFormat("Stopping leader finder thread");
if (this.leaderFinderThread != null)
{
this.leaderFinderThread.Shutdown();
this.leaderFinderThread = null;
}
Logger.InfoFormat("Stopping all fetchers");
this.CloseAllFetchers();
// no need to hold the lock for the following since leaderFindThread and all fetchers have been stopped
this.partitionMap = null;
this.NoLeaderPartitionSet.Clear();
Logger.InfoFormat("All connections stopped");
}