Package io.camunda.zeebe.broker.client.api

Interface BrokerTopologyManager

All Superinterfaces:

ClusterConfigurationUpdateNotifier.ClusterConfigurationUpdateListener

All Known Implementing Classes:

BrokerTopologyManagerImpl

public interface BrokerTopologyManager
extends ClusterConfigurationUpdateNotifier.ClusterConfigurationUpdateListener

Method Summary

Modifier and Type	Method	Description
void	addTopologyListener(BrokerTopologyListener listener)	Adds the topology listener.
ClusterConfiguration	getClusterConfiguration()	Returns the current cluster topology.
BrokerClusterState	getTopology()	Returns live topology that includes which brokers are available, who is leader for each partition, etc.
void	removeTopologyListener(BrokerTopologyListener listener)	Removes the given topology listener by identity.

Methods inherited from interface io.camunda.zeebe.dynamic.config.ClusterConfigurationUpdateNotifier.ClusterConfigurationUpdateListener

onClusterConfigurationUpdated

Method Details

getTopology

BrokerClusterState getTopology()

Returns live topology that includes which brokers are available, who is leader for each partition, etc.

getClusterConfiguration

ClusterConfiguration getClusterConfiguration()

Returns the current cluster topology. The topology contains the information about brokers which are part of the cluster, and the partition distribution. Unlike BrokerClusterState this also includes information about brokers which are currently unreachable.

addTopologyListener

void addTopologyListener(BrokerTopologyListener listener)

Adds the topology listener. For each existing brokers, the listener will be notified via BrokerTopologyListener.brokerAdded(MemberId). After that, the listener gets notified of every new broker added or removed events.

Parameters:

listener - the topology listener

removeTopologyListener

void removeTopologyListener(BrokerTopologyListener listener)

Removes the given topology listener by identity.

Parameters:

listener - the listener to remove