Package org.opends.server.replication.plugin

Class MultimasterReplication

java.lang.Object

org.opends.server.api.SynchronizationProvider<ReplicationSynchronizationProviderCfg>

org.opends.server.replication.plugin.MultimasterReplication

All Implemented Interfaces:

ConfigurationAddListener<ReplicationDomainCfg>, ConfigurationChangeListener<ReplicationSynchronizationProviderCfg>, ConfigurationDeleteListener<ReplicationDomainCfg>, BackupTaskListener, ExportTaskListener, ImportTaskListener, RestoreTaskListener, HealthStatusProvider, ShutdownSynchronizer

public class MultimasterReplication
extends SynchronizationProvider<ReplicationSynchronizationProviderCfg>
implements ConfigurationAddListener<ReplicationDomainCfg>, ConfigurationDeleteListener<ReplicationDomainCfg>, ConfigurationChangeListener<ReplicationSynchronizationProviderCfg>, BackupTaskListener, RestoreTaskListener, ImportTaskListener, ExportTaskListener, HealthStatusProvider, ShutdownSynchronizer

This class is used to load the Replication code inside the JVM and to trigger initialization of the replication. It also extends the SynchronizationProvider class in order to have some replication code running during the operation process as pre-op, conflictResolution, and post-op.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	MultimasterReplication.CleanStaleHistoricalMetadataPlugin	If replication is configured and then unconfigured, we need to remove replication metadata from entries being updated to avoid OPENDJ-6235.
static class	MultimasterReplication.UnreachableReplicationServers	Keeps information on temporarily unreachable replication unreachableServers.

Constructor Summary

Constructors

Constructor	Description
MultimasterReplication()

Method Summary

Modifier and Type	Method	Description
ConfigChangeResult	applyConfigurationAdd(ReplicationDomainCfg configuration)	Adds a new configuration to this add listener.
ConfigChangeResult	applyConfigurationChange(ReplicationSynchronizationProviderCfg configuration)	Applies the configuration changes to this change listener.
ConfigChangeResult	applyConfigurationDelete(ReplicationDomainCfg configuration)	Deletes an existing configuration from this delete listener.
void	clearReplicaOfflineMsgNotifications(Dn baseDn)	Clear the notifications for the provided domain.
void	completeSynchronizationProvider()	Performs any necessary final initialization processing for this synchronization provider.
LDAPReplicationDomain	createNewDomainIfEnabled(ServerContext serverContext, ReplicationDomainCfg configuration)	Creates a new domain from its configEntry, do the necessary initialization and starts it so that it is fully operational when this method returns.
static void	deleteDomain(Dn dn)	Deletes a domain.
void	doPostOperation(PostOperationAddOperation addOperation)	Performs any necessary synchronization processing that may be needed after the provided add operation is performed.
void	doPostOperation(PostOperationDeleteOperation deleteOperation)	Performs any necessary synchronization processing that may be needed after the provided delete operation is performed.
void	doPostOperation(PostOperationModifyDNOperation modifyDNOperation)	Performs any necessary synchronization processing that may be needed after the provided modify DN operation is performed.
void	doPostOperation(PostOperationModifyOperation modifyOperation)	Performs any necessary synchronization processing that may be needed after the provided modify operation is performed.
SynchronizationProviderResult	doPreOperation(PreOperationAddOperation addOperation)	Performs any necessary synchronization processing that may be needed before the provided add operation is performed.
SynchronizationProviderResult	doPreOperation(PreOperationDeleteOperation deleteOperation)	Performs any necessary synchronization processing that may be needed before the provided delete operation is performed.
SynchronizationProviderResult	doPreOperation(PreOperationModifyDNOperation modifyDnOp)	Performs any necessary synchronization processing that may be needed before the provided modify DN operation is performed.
SynchronizationProviderResult	doPreOperation(PreOperationModifyOperation modifyOperation)	Performs any necessary synchronization processing that may be needed before the provided modify operation is performed.
void	finalizeSynchronizationProvider()	Performs any necessary finalization for this synchronization provider.
static LDAPReplicationDomain	findDomain(Dn dn, ServerContext serverContext)	Finds the domain for a given DN.
static LDAPReplicationDomain	findDomain(Dn dn, PluginOperation pluginOp, ServerContext serverContext)	Finds the domain for a given DN.
static int	getConnectionTimeoutMS()	Returns the connection timeout in milli-seconds.
static Collection<Dn>	getDomainDns()	Returns the DNs of the replication domains.
HealthStatus	getHealthStatus()	Returns the HealthStatus for the underlying component.
static MultimasterReplication.UnreachableReplicationServers	getUnreachableReplicationServers(int numberOfRSes)	Returns temporarily unreachable Replication Servers.
SynchronizationProviderResult	handleConflictResolution(PreOperationAddOperation addOperation)	Performs any necessary synchronization processing for the operation that may be needed early on to deal with any potential conflict resolution or updates to historical data.
SynchronizationProviderResult	handleConflictResolution(PreOperationDeleteOperation deleteOperation)	Performs any necessary synchronization processing for the operation that may be needed early on to deal with any potential conflict resolution or updates to historical data.
SynchronizationProviderResult	handleConflictResolution(PreOperationModifyDNOperation modifyDNOperation)	Performs any necessary synchronization processing for the operation that may be needed early on to deal with any potential conflict resolution or updates to historical data.
SynchronizationProviderResult	handleConflictResolution(PreOperationModifyOperation modifyOperation)	Performs any necessary synchronization processing for the operation that may be needed early on to deal with any potential conflict resolution or updates to historical data.
void	initializeSynchronizationProvider(ServerContext serverContext, ReplicationSynchronizationProviderCfg cfg)	Performs any initialization that might be necessary for this synchronization provider.
boolean	isConfigurationAddAcceptable(ReplicationDomainCfg configuration, List<LocalizableMessage> unacceptableReasons)	Indicates whether the proposed addition of a new configuration is acceptable to this add listener.
boolean	isConfigurationChangeAcceptable(ReplicationSynchronizationProviderCfg cfg, List<LocalizableMessage> unacceptableReasons)	Indicates whether the proposed change to the configuration is acceptable to this change listener.
boolean	isConfigurationDeleteAcceptable(ReplicationDomainCfg configuration, List<LocalizableMessage> unacceptableReasons)	Indicates whether the proposed deletion of an existing configuration is acceptable to this delete listener.
void	notifyReplicaOfflineMsgHasBeenForwardedToRS(Dn baseDn)	Notifies the offline message for the provided domain has been forwarded to a RS.
void	notifyReplicaOfflineMsgHasBeenSentByDS(Dn baseDn)	Notifies an offline message has been sent by the DS for the provided domain.
void	processBackupBegin(LocalBackend<?> backend)	Performs any processing that might be necessary just before the server begins processing on a backup task.
void	processBackupEnd(LocalBackend<?> backend)	Performs any processing that might be necessary after the server has completed processing on a backup task.
void	processExportBegin(LocalBackend<?> backend, LDIFExportConfig config)	Performs any processing that might be necessary just before the server begins processing on an LDIF export task.
void	processExportEnd(LocalBackend<?> backend, LDIFExportConfig config, boolean successful)	Performs any processing that might be necessary after the server has completed processing on an LDIF export task.
void	processImportBegin(LocalBackend<?> backend, LDIFImportConfig config)	Performs any processing that might be necessary just before the server begins processing on an LDIF import task.
void	processImportEnd(LocalBackend<?> backend, LDIFImportConfig config, boolean successful)	Performs any processing that might be necessary after the server has completed processing on an LDIF import task.
void	processRestoreBegin(LocalBackend<?> backend)	Performs any processing that might be necessary just before the server begins processing on a restore task.
void	processRestoreEnd(LocalBackend<?> backend)	Performs any processing that might be necessary after the server has completed processing on a restore task.
static void	resetUnreachableReplicationServers()	Resets the state of the unreachable replication servers to empty.
void	synchronizeOfflineChanges(Collection<ChangeRecord> changes)	Synchronizes changes that have occurred to server data while the server was offline.
void	waitForReplicaOfflineMessageToBeForwardedToRS(Dn baseDn)	Waits until a Replication Server can proceed with shutdown.

Methods inherited from class org.opends.server.api.SynchronizationProvider

isConfigurationAcceptable

Methods inherited from class java.lang.Object

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

Constructor Detail

MultimasterReplication

public MultimasterReplication()

Method Detail

findDomain

public static LDAPReplicationDomain findDomain(Dn dn,
                                               PluginOperation pluginOp,
                                               ServerContext serverContext)

Finds the domain for a given DN.

Parameters:

dn - The DN for which the domain must be returned.

pluginOp - An optional operation for which the check is done. Can be null is the request has no associated operation.

serverContext - The server context.

Returns:

The domain for this DN.

findDomain

public static LDAPReplicationDomain findDomain(Dn dn,
                                               ServerContext serverContext)

Finds the domain for a given DN.

Parameters:

dn - The DN for which the domain must be returned.

serverContext - The server context.

Returns:

The domain for this DN.

createNewDomainIfEnabled

public LDAPReplicationDomain createNewDomainIfEnabled(ServerContext serverContext,
                                                      ReplicationDomainCfg configuration)

Creates a new domain from its configEntry, do the necessary initialization and starts it so that it is fully operational when this method returns.

Parameters:

serverContext - The server context

configuration - The entry with the configuration of this domain.

Returns:

The domain created or null if it is disabled or a problem occurred.

deleteDomain

public static void deleteDomain(Dn dn)

Deletes a domain.

Parameters:

dn - the base DN of the domain to delete.

initializeSynchronizationProvider

public void initializeSynchronizationProvider(ServerContext serverContext,
                                              ReplicationSynchronizationProviderCfg cfg)
                                       throws ConfigException

Description copied from class: SynchronizationProvider

Performs any initialization that might be necessary for this synchronization provider.

Specified by:

initializeSynchronizationProvider in class SynchronizationProvider<ReplicationSynchronizationProviderCfg>

Parameters:

serverContext - The server context.

cfg - The configuration information for this synchronization provider.

Throws:

ConfigException - If the provided entry does not contain a valid configuration for this synchronization provider.

isConfigurationAddAcceptable

public boolean isConfigurationAddAcceptable(ReplicationDomainCfg configuration,
                                            List<LocalizableMessage> unacceptableReasons)

Description copied from interface: ConfigurationAddListener

Indicates whether the proposed addition of a new configuration is acceptable to this add listener.

Specified by:

isConfigurationAddAcceptable in interface ConfigurationAddListener<ReplicationDomainCfg>

Parameters:

configuration - The configuration that will be added.

unacceptableReasons - A list that can be used to hold messages about why the provided configuration is not acceptable.

Returns:

Returns true if the proposed addition is acceptable, or false if it is not.

applyConfigurationAdd

public ConfigChangeResult applyConfigurationAdd(ReplicationDomainCfg configuration)

Description copied from interface: ConfigurationAddListener

Adds a new configuration to this add listener.

Specified by:

applyConfigurationAdd in interface ConfigurationAddListener<ReplicationDomainCfg>

Parameters:

configuration - The configuration that will be added.

Returns:

Returns information about the result of adding the configuration.

doPostOperation

public void doPostOperation(PostOperationAddOperation addOperation)

Description copied from class: SynchronizationProvider

Performs any necessary synchronization processing that may be needed after the provided add operation is performed. This method will be invoked immediately after processing the add operation in the backend and releasing the lock on the target entry.

Specified by:

doPostOperation in class SynchronizationProvider<ReplicationSynchronizationProviderCfg>

Parameters:

addOperation - The add operation to be processed.

doPostOperation

public void doPostOperation(PostOperationDeleteOperation deleteOperation)

Description copied from class: SynchronizationProvider

Performs any necessary synchronization processing that may be needed after the provided delete operation is performed. This method will be invoked immediately after processing the delete operation in the backend and releasing the lock on the target entry.

Specified by:

doPostOperation in class SynchronizationProvider<ReplicationSynchronizationProviderCfg>

Parameters:

deleteOperation - The delete operation to be processed.

doPostOperation

public void doPostOperation(PostOperationModifyDNOperation modifyDNOperation)

Description copied from class: SynchronizationProvider

Performs any necessary synchronization processing that may be needed after the provided modify DN operation is performed. This method will be invoked immediately after processing the modify DN operation in the backend and releasing the lock on the target entry.

Specified by:

doPostOperation in class SynchronizationProvider<ReplicationSynchronizationProviderCfg>

Parameters:

modifyDNOperation - The modify DN operation to be processed.

doPostOperation

public void doPostOperation(PostOperationModifyOperation modifyOperation)

Description copied from class: SynchronizationProvider

Performs any necessary synchronization processing that may be needed after the provided modify operation is performed. This method will be invoked immediately after processing the modify operation in the backend and releasing the lock on the target entry.

Specified by:

doPostOperation in class SynchronizationProvider<ReplicationSynchronizationProviderCfg>

Parameters:

modifyOperation - The modify operation to be processed.

handleConflictResolution

public SynchronizationProviderResult handleConflictResolution(PreOperationModifyOperation modifyOperation)

Description copied from class: SynchronizationProvider

Performs any necessary synchronization processing for the operation that may be needed early on to deal with any potential conflict resolution or updates to historical data. This method will be invoked immediately after a lock is acquired on the target entry.

Overrides:

handleConflictResolution in class SynchronizationProvider<ReplicationSynchronizationProviderCfg>

Parameters:

modifyOperation - The modify operation to be processed.

Returns:

Information about the result of the synchronization provider processing. Note that if the provider indicates that processing should end for the operation, it must set the result code for the operation and should also set the response message.

handleConflictResolution

public SynchronizationProviderResult handleConflictResolution(PreOperationAddOperation addOperation)

Description copied from class: SynchronizationProvider

Performs any necessary synchronization processing for the operation that may be needed early on to deal with any potential conflict resolution or updates to historical data. This method will be invoked immediately after a lock is acquired on the target entry.

Overrides:

handleConflictResolution in class SynchronizationProvider<ReplicationSynchronizationProviderCfg>

Parameters:

addOperation - The add operation to be processed.

Returns:

Information about the result of the synchronization provider processing. Note that if the provider indicates that processing should end for the operation, it must set the result code for the operation and should also set the response message.

handleConflictResolution

public SynchronizationProviderResult handleConflictResolution(PreOperationDeleteOperation deleteOperation)

Description copied from class: SynchronizationProvider

Performs any necessary synchronization processing for the operation that may be needed early on to deal with any potential conflict resolution or updates to historical data. This method will be invoked immediately after a lock is acquired on the target entry.

Overrides:

handleConflictResolution in class SynchronizationProvider<ReplicationSynchronizationProviderCfg>

Parameters:

deleteOperation - The delete operation to be processed.

Returns:

Information about the result of the synchronization provider processing. Note that if the provider indicates that processing should end for the operation, it must set the result code for the operation and should also set the response message.

handleConflictResolution

public SynchronizationProviderResult handleConflictResolution(PreOperationModifyDNOperation modifyDNOperation)

Description copied from class: SynchronizationProvider

Performs any necessary synchronization processing for the operation that may be needed early on to deal with any potential conflict resolution or updates to historical data. This method will be invoked immediately after a lock is acquired on the target entry.

Overrides:

handleConflictResolution in class SynchronizationProvider<ReplicationSynchronizationProviderCfg>

Parameters:

modifyDNOperation - The modify DN operation to be processed.

Returns:

Information about the result of the synchronization provider processing. Note that if the provider indicates that processing should end for the operation, it must set the result code for the operation and should also set the response message.

doPreOperation

public SynchronizationProviderResult doPreOperation(PreOperationModifyOperation modifyOperation)

Description copied from class: SynchronizationProvider

Performs any necessary synchronization processing that may be needed before the provided modify operation is performed. This method will be invoked immediately before processing the modify operation in the backend.

Specified by:

doPreOperation in class SynchronizationProvider<ReplicationSynchronizationProviderCfg>

Parameters:

modifyOperation - The modify operation to be processed.

Returns:

Information about the result of the synchronization provider processing. Note that if the provider indicates that processing should end for the operation, it must set the result code for the operation and should also set the response message.

doPreOperation

public SynchronizationProviderResult doPreOperation(PreOperationDeleteOperation deleteOperation)

Description copied from class: SynchronizationProvider

Performs any necessary synchronization processing that may be needed before the provided delete operation is performed. This method will be invoked immediately before processing the delete operation in the backend.

Specified by:

doPreOperation in class SynchronizationProvider<ReplicationSynchronizationProviderCfg>

Parameters:

deleteOperation - The delete operation to be processed.

Returns:

Information about the result of the synchronization provider processing. Note that if the provider indicates that processing should end for the operation, it must set the result code for the operation and should also set the response message.

doPreOperation

public SynchronizationProviderResult doPreOperation(PreOperationModifyDNOperation modifyDnOp)

Description copied from class: SynchronizationProvider

Performs any necessary synchronization processing that may be needed before the provided modify DN operation is performed. This method will be invoked immediately before processing the modify DN operation in the backend.

Specified by:

doPreOperation in class SynchronizationProvider<ReplicationSynchronizationProviderCfg>

Parameters:

modifyDnOp - The modify DN operation to be processed.

Returns:

Information about the result of the synchronization provider processing. Note that if the provider indicates that processing should end for the operation, it must set the result code for the operation and should also set the response message.

doPreOperation

public SynchronizationProviderResult doPreOperation(PreOperationAddOperation addOperation)

Description copied from class: SynchronizationProvider

Performs any necessary synchronization processing that may be needed before the provided add operation is performed. This method will be invoked immediately before processing the add operation in the backend.

Specified by:

doPreOperation in class SynchronizationProvider<ReplicationSynchronizationProviderCfg>

Parameters:

addOperation - The add operation to be processed.

Returns:

Information about the result of the synchronization provider processing. Note that if the provider indicates that processing should end for the operation, it must set the result code for the operation and should also set the response message.

finalizeSynchronizationProvider

public void finalizeSynchronizationProvider()

Description copied from class: SynchronizationProvider

Performs any necessary finalization for this synchronization provider. This will be called just after the provider has been unregistered with the server but before it has been unloaded.

Overrides:

finalizeSynchronizationProvider in class SynchronizationProvider<ReplicationSynchronizationProviderCfg>

synchronizeOfflineChanges

public void synchronizeOfflineChanges(Collection<ChangeRecord> changes)

Description copied from class: SynchronizationProvider

Synchronizes changes that have occurred to server data while the server was offline. This may happen when the server detects that the schema has been updated while the server was offline or if new symmetric keys have been added, e.g when performing an offline encrypted backup or import.

At the time this method is called, the changes will have already been applied to the local server. As such, this method must make a best effort attempt to process the associated changes, and is not allowed to throw any exceptions.

Specified by:

synchronizeOfflineChanges in class SynchronizationProvider<ReplicationSynchronizationProviderCfg>

Parameters:

changes - The set of changes that have been made to the server while it was offline.

processBackupBegin

public void processBackupBegin(LocalBackend<?> backend)

Description copied from interface: BackupTaskListener

Performs any processing that might be necessary just before the server begins processing on a backup task. This may include flushing any outstanding writes to disk so they are included in the backup and/or pausing interaction with the provided backend while the backup is in progress.

Specified by:

processBackupBegin in interface BackupTaskListener

Parameters:

backend - The backend to be archived.

processBackupEnd

public void processBackupEnd(LocalBackend<?> backend)

Description copied from interface: BackupTaskListener

Performs any processing that might be necessary after the server has completed processing on a backup task. Note that this will always be called when backup processing completes, regardless of whether it was successful.

Specified by:

processBackupEnd in interface BackupTaskListener

Parameters:

backend - The backend that was archived.

processRestoreBegin

public void processRestoreBegin(LocalBackend<?> backend)

Description copied from interface: RestoreTaskListener

Performs any processing that might be necessary just before the server begins processing on a restore task. This should include pausing interaction with the provided backend while the restore is in progress.

Specified by:

processRestoreBegin in interface RestoreTaskListener

Parameters:

backend - The backend to be restored.

processRestoreEnd

public void processRestoreEnd(LocalBackend<?> backend)

Description copied from interface: RestoreTaskListener

Performs any processing that might be necessary after the server has completed processing on a restore task. Note that this will always be called when restore processing completes, regardless of whether it was successful.

Specified by:

processRestoreEnd in interface RestoreTaskListener

Parameters:

backend - The backend that was restored.

processImportBegin

public void processImportBegin(LocalBackend<?> backend,
                               LDIFImportConfig config)

Description copied from interface: ImportTaskListener

Performs any processing that might be necessary just before the server begins processing on an LDIF import task. This should include pausing interaction with the provided backend while the import is in progress.

Specified by:

processImportBegin in interface ImportTaskListener

Parameters:

backend - The backend to be imported.

config - Configuration information about the LDIF import to be performed.

processImportEnd

public void processImportEnd(LocalBackend<?> backend,
                             LDIFImportConfig config,
                             boolean successful)

Description copied from interface: ImportTaskListener

Performs any processing that might be necessary after the server has completed processing on an LDIF import task. Note that this will always be called when import processing completes, regardless of whether it was successful.

Specified by:

processImportEnd in interface ImportTaskListener

Parameters:

backend - The backend that was imported.

config - Configuration information about the LDIF import that was performed.

successful - Indicates whether the import operation completed successfully.

processExportBegin

public void processExportBegin(LocalBackend<?> backend,
                               LDIFExportConfig config)

Description copied from interface: ExportTaskListener

Performs any processing that might be necessary just before the server begins processing on an LDIF export task. This may include flushing any outstanding writes to disk so they are included in the export and/or pausing interaction with the provided backend while the export is in progress.

Specified by:

processExportBegin in interface ExportTaskListener

Parameters:

backend - The backend to be exported.

config - Configuration information about the LDIF export to be performed.

processExportEnd

public void processExportEnd(LocalBackend<?> backend,
                             LDIFExportConfig config,
                             boolean successful)

Description copied from interface: ExportTaskListener

Performs any processing that might be necessary after the server has completed processing on an LDIF export task. Note that this will always be called when export processing completes, regardless of whether it was successful.

Specified by:

processExportEnd in interface ExportTaskListener

Parameters:

backend - The backend that was exported.

config - Configuration information about the LDIF export that was performed.

successful - Indicates whether the export operation completed successfully.

applyConfigurationDelete

public ConfigChangeResult applyConfigurationDelete(ReplicationDomainCfg configuration)

Description copied from interface: ConfigurationDeleteListener

Deletes an existing configuration from this delete listener.

Specified by:

applyConfigurationDelete in interface ConfigurationDeleteListener<ReplicationDomainCfg>

Parameters:

configuration - The existing configuration that will be deleted.

Returns:

Returns information about the result of deleting the configuration.

isConfigurationDeleteAcceptable

public boolean isConfigurationDeleteAcceptable(ReplicationDomainCfg configuration,
                                               List<LocalizableMessage> unacceptableReasons)

Description copied from interface: ConfigurationDeleteListener

Indicates whether the proposed deletion of an existing configuration is acceptable to this delete listener.

Specified by:

isConfigurationDeleteAcceptable in interface ConfigurationDeleteListener<ReplicationDomainCfg>

Parameters:

configuration - The configuration that will be deleted.

unacceptableReasons - A list that can be used to hold messages about why the provided configuration is not acceptable.

Returns:

Returns true if the proposed deletion is acceptable, or false if it is not.

isConfigurationChangeAcceptable

public boolean isConfigurationChangeAcceptable(ReplicationSynchronizationProviderCfg cfg,
                                               List<LocalizableMessage> unacceptableReasons)

Description copied from interface: ConfigurationChangeListener

Indicates whether the proposed change to the configuration is acceptable to this change listener.

Specified by:

isConfigurationChangeAcceptable in interface ConfigurationChangeListener<ReplicationSynchronizationProviderCfg>

Parameters:

cfg - The new configuration containing the changes.

unacceptableReasons - A list that can be used to hold messages about why the provided configuration is not acceptable.

Returns:

Returns true if the proposed change is acceptable, or false if it is not.

applyConfigurationChange

public ConfigChangeResult applyConfigurationChange(ReplicationSynchronizationProviderCfg configuration)

Description copied from interface: ConfigurationChangeListener

Applies the configuration changes to this change listener.

Specified by:

applyConfigurationChange in interface ConfigurationChangeListener<ReplicationSynchronizationProviderCfg>

Parameters:

configuration - The new configuration containing the changes.

Returns:

Returns information about the result of changing the configuration.

completeSynchronizationProvider

public void completeSynchronizationProvider()

Description copied from class: SynchronizationProvider

Performs any necessary final initialization processing for this synchronization provider. This will be called just after the provider has been registered with the server but before it has been unloaded.

Overrides:

completeSynchronizationProvider in class SynchronizationProvider<ReplicationSynchronizationProviderCfg>

getHealthStatus

public HealthStatus getHealthStatus()

Description copied from interface: HealthStatusProvider

Returns the HealthStatus for the underlying component.

Specified by:

getHealthStatus in interface HealthStatusProvider

Returns:

The HealthStatus.

getDomainDns

public static Collection<Dn> getDomainDns()

Returns the DNs of the replication domains.

Returns:

the DNs of the replication domains.

getConnectionTimeoutMS

public static int getConnectionTimeoutMS()

Returns the connection timeout in milli-seconds.

Returns:

The connection timeout in milli-seconds.

getUnreachableReplicationServers

public static MultimasterReplication.UnreachableReplicationServers getUnreachableReplicationServers(int numberOfRSes)

Returns temporarily unreachable Replication Servers.

Parameters:

numberOfRSes - the number of replication servers currently active

Returns:

temporarily unreachable Replication Servers

resetUnreachableReplicationServers

public static void resetUnreachableReplicationServers()

Resets the state of the unreachable replication servers to empty.

notifyReplicaOfflineMsgHasBeenSentByDS

public void notifyReplicaOfflineMsgHasBeenSentByDS(Dn baseDn)

Description copied from interface: ShutdownSynchronizer

Notifies an offline message has been sent by the DS for the provided domain.

Specified by:

notifyReplicaOfflineMsgHasBeenSentByDS in interface ShutdownSynchronizer

Parameters:

baseDn - the domain for which the offline message has been sent.

notifyReplicaOfflineMsgHasBeenForwardedToRS

public void notifyReplicaOfflineMsgHasBeenForwardedToRS(Dn baseDn)

Description copied from interface: ShutdownSynchronizer

Notifies the offline message for the provided domain has been forwarded to a RS.

Specified by:

notifyReplicaOfflineMsgHasBeenForwardedToRS in interface ShutdownSynchronizer

Parameters:

baseDn - the domain for which the offline message has been forwarded.

waitForReplicaOfflineMessageToBeForwardedToRS

public void waitForReplicaOfflineMessageToBeForwardedToRS(Dn baseDn)

Description copied from interface: ShutdownSynchronizer

Waits until a Replication Server can proceed with shutdown.

The shutdown can be performed only when the offline message have been forwarded to all remote replications servers, or if the timeout has been reached.

Specified by:

waitForReplicaOfflineMessageToBeForwardedToRS in interface ShutdownSynchronizer

Parameters:

baseDn - the domain for which the offline message should be forwarded.

clearReplicaOfflineMsgNotifications

public void clearReplicaOfflineMsgNotifications(Dn baseDn)

Description copied from interface: ShutdownSynchronizer

Clear the notifications for the provided domain. In other words, reset the counter of offline messages to forward to remote replication servers to zero.

If the synchronization has failed or must be aborted for any reason, this method allows to reset the synchronizer to a clean state. For example, if a ReplicaOfflineMsg is ignored due to a DS in a bad data status, the shutdown for the peer DS should not wait for the forwarding of the message to other replication servers.

Specified by:

clearReplicaOfflineMsgNotifications in interface ShutdownSynchronizer

Parameters:

baseDn - the domain for which the notifications must be cleared