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

Interface HAPolicy<T extends Activation>

All Known Implementing Classes:

BackupPolicy, ColocatedPolicy, PrimaryOnlyPolicy, ReplicaPolicy, ReplicatedPolicy, ReplicationBackupPolicy, ReplicationPrimaryPolicy, SharedStoreBackupPolicy, SharedStorePrimaryPolicy

public interface HAPolicy<T extends Activation>

Every active server will have an HAPolicy that configures the type of server that it should be either primary, backup or colocated (both). It also configures how, if colocated, it should react to sending and receiving requests for backups.

Method Summary

Modifier and Type	Method	Description
boolean	canScaleDown()
T	createActivation(ActiveMQServerImpl server, boolean wasPrimary, Map<String,Object> activationParams, IOCriticalErrorListener shutdownOnCriticalIO)	created the Activation associated with this policy.
String	getBackupGroupName()
default String	getScaleDownClustername()
default int	getScaleDownCommitInterval()
default String	getScaleDownGroupName()
boolean	isBackup()
boolean	isSharedStore()
default boolean	isWaitForActivation()
default boolean	useQuorumManager()

Method Details

createActivation

T createActivation(ActiveMQServerImpl server,
 boolean wasPrimary,
 Map<String,Object> activationParams,
 IOCriticalErrorListener shutdownOnCriticalIO)
            throws Exception

created the Activation associated with this policy.

Throws:

Exception

isSharedStore

boolean isSharedStore()

isBackup

boolean isBackup()

isWaitForActivation

default boolean isWaitForActivation()

canScaleDown

boolean canScaleDown()

getBackupGroupName

String getBackupGroupName()

getScaleDownGroupName

default String getScaleDownGroupName()

getScaleDownClustername

default String getScaleDownClustername()

getScaleDownCommitInterval

default int getScaleDownCommitInterval()

useQuorumManager

default boolean useQuorumManager()