/// <summary>
/// make sure a persistent path exists in ZK. Create the path if not exist.
/// </summary>
/// <param name="client"></param>
/// <param name="path"></param>
public static void MakeSurePersistentPathExists(ZkClient client, string path)
{
if (!client.Exists(path))
{
client.CreatePersistent(path, true); // won't throw NoNodeException or NodeExistsException
}
}
public static void CreateOrUpdateTopicPartitionAssignmentPathInZK(
ZkClient zkClient,
string topic,
Dictionary <int, List <int> > partitionReplicaAssignment,
Dictionary <string, string> config,
bool update = false)
{
// Note: validation was omited
var topicPath = ZkUtils.GetTopicPath(topic);
if (!update && zkClient.Exists(topicPath))
{
throw new KafkaException("Topic " + topic + " already exists.");
}
// write out the config if there is any, this isn't transactional with the partition assignments
WriteTopicConfig(zkClient, topic, config);
// create the partition assignment
WriteTopicPartitionAssignment(zkClient, topic, partitionReplicaAssignment, update);
}
public static void CreateOrUpdateTopicPartitionAssignmentPathInZK(
ZkClient zkClient,
string topic,
Dictionary<int, List<int>> partitionReplicaAssignment,
Dictionary<string, string> config,
bool update = false)
{
// Note: validation was omited
var topicPath = ZkUtils.GetTopicPath(topic);
if (!update && zkClient.Exists(topicPath))
{
throw new KafkaException("Topic " + topic +" already exists.");
}
// write out the config if there is any, this isn't transactional with the partition assignments
WriteTopicConfig(zkClient, topic, config);
// create the partition assignment
WriteTopicPartitionAssignment(zkClient, topic, partitionReplicaAssignment, update);
}
public static bool PathExists(ZkClient client, string path)
{
return client.Exists(path);
}
/// <summary>
/// make sure a persistent path exists in ZK. Create the path if not exist.
/// </summary>
/// <param name="client"></param>
/// <param name="path"></param>
public static void MakeSurePersistentPathExists(ZkClient client, string path)
{
if (!client.Exists(path))
{
client.CreatePersistent(path, true); // won't throw NoNodeException or NodeExistsException
}
}
public static bool PathExists(ZkClient client, string path)
{
return(client.Exists(path));
}