Package org.apache.activemq.artemis.core.server.impl

Class AnyNodeLocatorForReplication

java.lang.Object

org.apache.activemq.artemis.core.server.NodeLocator

org.apache.activemq.artemis.core.server.impl.AnyNodeLocatorForReplication

All Implemented Interfaces:

ClusterTopologyListener

public class AnyNodeLocatorForReplication
extends NodeLocator

This implementation looks for any available node, once tried with no success it is marked as tried and the next available is used.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.activemq.artemis.core.server.NodeLocator

NodeLocator.BackupRegistrationListener

Constructor Summary

Constructors

Constructor	Description
AnyNodeLocatorForReplication(NodeLocator.BackupRegistrationListener backupRegistrationListener, ActiveMQServerImpl server, long retryReplicationWait)

Method Summary

Modifier and Type	Method	Description
String	getNodeID()	Returns the node id for the current connector.
Pair<TransportConfiguration,TransportConfiguration>	getPrimaryConfiguration()	Returns the current connector.
void	locateNode()	Locates a server in a cluster
void	locateNode(long timeout)	Locates a server in a cluster with a timeout
void	nodeDown(long eventUID, String nodeID)	if a node goes down we try all the connectors again as one may now be available for replication
void	nodeUP(TopologyMember topologyMember, boolean last)	Triggered when a node joins the cluster.
void	notifyRegistrationFailed(boolean alreadyReplicating)	tells the locator the current connector has failed.

Methods inherited from class org.apache.activemq.artemis.core.server.NodeLocator

connectToCluster

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

AnyNodeLocatorForReplication

public AnyNodeLocatorForReplication(NodeLocator.BackupRegistrationListener backupRegistrationListener,
 ActiveMQServerImpl server,
 long retryReplicationWait)

Method Details

locateNode

public void locateNode()
                throws ActiveMQException

Description copied from class: NodeLocator

Locates a server in a cluster

Specified by:

locateNode in class NodeLocator

Throws:

ActiveMQException

locateNode

public void locateNode(long timeout)
                throws ActiveMQException

Description copied from class: NodeLocator

Locates a server in a cluster with a timeout

Specified by:

locateNode in class NodeLocator

Throws:

ActiveMQException

nodeUP

public void nodeUP(TopologyMember topologyMember,
 boolean last)

Description copied from interface: ClusterTopologyListener

Triggered when a node joins the cluster.

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

public void nodeDown(long eventUID,
 String nodeID)

if a node goes down we try all the connectors again as one may now be available for replication

TODO: there will be a better way to do this by finding which nodes backup has gone down.

nodeID - the id of the node leaving the cluster

getNodeID

public String getNodeID()

Description copied from class: NodeLocator

Returns the node id for the current connector.

Specified by:

getNodeID in class NodeLocator

Returns:

the node id for the current connector

getPrimaryConfiguration

public Pair<TransportConfiguration,TransportConfiguration> getPrimaryConfiguration()

Description copied from class: NodeLocator

Returns the current connector.

Specified by:

getPrimaryConfiguration in class NodeLocator

Returns:

the current connector

notifyRegistrationFailed

public void notifyRegistrationFailed(boolean alreadyReplicating)

Description copied from class: NodeLocator

tells the locator the current connector has failed.

Overrides:

notifyRegistrationFailed in class NodeLocator