org.apache.activemq.artemis.api.core.client

Interface ClusterTopologyListener

All Known Subinterfaces:

ClusterConnection

All Known Implementing Classes:

AnyLiveNodeLocatorForReplication, AnyLiveNodeLocatorForScaleDown, ClusterConnectionImpl, LiveNodeLocator, NamedLiveNodeLocatorForReplication, NamedLiveNodeLocatorForScaleDown, NamedNodeIdNodeLocator, QuorumManager

public interface ClusterTopologyListener

A cluster topology listener.

Used to get notification of topology events. After adding a listener to the cluster connection, the listener receives nodeUP(TopologyMember, boolean) for all the current topology members.

Method Summary

Modifier and Type	Method and Description
void	nodeDown(long eventUID, String nodeID) Triggered when a node leaves the cluster.
void	nodeUP(TopologyMember member, boolean last) Triggered when a node joins the cluster.

Method Detail

nodeUP

void nodeUP(TopologyMember member,
            boolean last)

Triggered when a node joins the cluster.

Parameters:

member -

last - if the whole cluster topology is being transmitted (after adding the listener to the cluster connection) this parameter will be true for the last topology member.

nodeDown

void nodeDown(long eventUID,
              String nodeID)

Triggered when a node leaves the cluster.

Parameters:

eventUID -

nodeID - the id of the node leaving the cluster