package org.apache.kafka.common;
public interface ClusterResourceListener {
void onUpdate(ClusterResource clusterResource);
}
ClusterResourceListener (and ClusterResourceListeners Collection)
ClusterResourceListener is the contract for objects that want to be notified about changes in the cluster metadata.
You can register a ClusterResourceListener for the following Kafka services:
ClusterResourceListeners Collection
ClusterResourceListeners collection holds zero or more ClusterResourceListener objects and uses them as if there were one.
ClusterResourceListeners is used when:
-
Metadatanotifies ClusterResourceListeners about every cluster metadata change -
KafkaServerstarts up