com.orientechnologies.orient.server.distributed

Interface ODistributedLifecycleListener

public interface ODistributedLifecycleListener

Distributed lifecycle interface to catch event from the distributed cluster.

Author:

Luca Garulli (l.garulli--(at)--orientdb.com)

Method Summary

Modifier and Type	Method and Description
void	onDatabaseChangeStatus(String iNode, String iDatabaseName, ODistributedServerManager.DB_STATUS iNewStatus) Called upon change of database status on a node.
void	onNodeJoined(String iNode) Called right after a node joined the cluster.
boolean	onNodeJoining(String iNode) Called when a node is joining the cluster.
void	onNodeLeft(String iNode) Called right after a node left the cluster.

Method Detail

onNodeJoining

boolean onNodeJoining(String iNode)

Called when a node is joining the cluster. Return false to deny the join.

Parameters:

iNode - Node name that is joining

Returns:

true to allow the join, otherwise false

onNodeJoined

void onNodeJoined(String iNode)

Called right after a node joined the cluster.

Parameters:

iNode - Node name that is joining

onNodeLeft

void onNodeLeft(String iNode)

Called right after a node left the cluster.

Parameters:

iNode - Node name that left

onDatabaseChangeStatus

void onDatabaseChangeStatus(String iNode,
                            String iDatabaseName,
                            ODistributedServerManager.DB_STATUS iNewStatus)

Called upon change of database status on a node. Available statuses are defined in ODistributedServerManager.DB_STATUS.

Parameters:

iNode - The node name

iDatabaseName - Database name

iNewStatus - The new status

Since:

2.2.0