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

Class BackupManager

java.lang.Object

org.apache.activemq.artemis.core.server.cluster.BackupManager

All Implemented Interfaces:

ActiveMQComponent

public class BackupManager
extends Object
implements ActiveMQComponent

This takes care of updating the cluster with a backups transport configuration which is based on each cluster connection.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	BackupManager.BackupConnector	A backup connector will connect to the cluster and announce that we are a backup server ready to fail over.

Constructor Summary

Constructors

Constructor	Description
BackupManager(ActiveMQServer server, ExecutorFactory executorFactory, ScheduledExecutorService scheduledExecutor, NodeManager nodeManager, Configuration configuration, ClusterManager clusterManager)

Method Summary

Modifier and Type	Method	Description
void	activated()	called to notify us that we have been activated so the connectors are no longer needed.
void	announceBackup()	announce the fact that we are a backup server ready to fail over if required.
List<BackupManager.BackupConnector>	getBackupConnectors()	This is meant for testing and assertions, please don't do anything stupid with it!
boolean	isBackupAnnounced()
boolean	isStarted()
void	start()	Start the backup manager if not already started.
void	stop()	stop all the connectors

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.activemq.artemis.core.server.ActiveMQComponent

asyncStop

Constructor Details

BackupManager

public BackupManager(ActiveMQServer server,
 ExecutorFactory executorFactory,
 ScheduledExecutorService scheduledExecutor,
 NodeManager nodeManager,
 Configuration configuration,
 ClusterManager clusterManager)

Method Details

getBackupConnectors

public List<BackupManager.BackupConnector> getBackupConnectors()

This is meant for testing and assertions, please don't do anything stupid with it! I mean, please don't use it outside of testing context

start

public void start()
           throws Exception

Start the backup manager if not already started. This entails deploying a backup connector based on a cluster configuration, informing the cluster manager so that it can add it to its topology and announce itself to the cluster.

Specified by:

start in interface ActiveMQComponent

Throws:

Exception

stop

public void stop()

stop all the connectors

Specified by:

stop in interface ActiveMQComponent

announceBackup

public void announceBackup()

announce the fact that we are a backup server ready to fail over if required.

activated

public void activated()

called to notify us that we have been activated so the connectors are no longer needed.

isStarted

public boolean isStarted()

Specified by:

isStarted in interface ActiveMQComponent

isBackupAnnounced

public boolean isBackupAnnounced()