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(java.lang.String iNode, java.lang.String iDatabaseName, ODistributedServerManager.DB_STATUS iNewStatus) Called upon change of database status on a node.
default void	onMessageAfterOp(java.lang.String op, ODistributedRequestId requestId)
default void	onMessageBeforeOp(java.lang.String op, ODistributedRequestId requestId)
default void	onMessageCurrentPayload(ODistributedRequestId requestId, java.lang.Object responsePayload)
default void	onMessagePartitionCalculated(ODistributedRequest request, java.util.Set<java.lang.Integer> involvedWorkerQueues)
default void	onMessageProcessEnd(ODistributedRequest iRequest, java.lang.Object responsePayload)
default void	onMessageProcessStart(ODistributedRequest message)
default void	onMessageReceived(ODistributedRequest request)
void	onNodeJoined(java.lang.String iNode) Called right after a node joined the cluster.
boolean	onNodeJoining(java.lang.String iNode) Called when a node is joining the cluster.
void	onNodeLeft(java.lang.String iNode) Called right after a node left the cluster.

Method Detail

onNodeJoining

boolean onNodeJoining(java.lang.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(java.lang.String iNode)

Called right after a node joined the cluster.

Parameters:

iNode - Node name that is joining

onNodeLeft

void onNodeLeft(java.lang.String iNode)

Called right after a node left the cluster.

Parameters:

iNode - Node name that left

onDatabaseChangeStatus

void onDatabaseChangeStatus(java.lang.String iNode,
                            java.lang.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

onMessageReceived

default void onMessageReceived(ODistributedRequest request)

onMessagePartitionCalculated

default void onMessagePartitionCalculated(ODistributedRequest request,
                                          java.util.Set<java.lang.Integer> involvedWorkerQueues)

onMessageBeforeOp

default void onMessageBeforeOp(java.lang.String op,
                               ODistributedRequestId requestId)

onMessageAfterOp

default void onMessageAfterOp(java.lang.String op,
                              ODistributedRequestId requestId)

onMessageProcessStart

default void onMessageProcessStart(ODistributedRequest message)

onMessageCurrentPayload

default void onMessageCurrentPayload(ODistributedRequestId requestId,
                                     java.lang.Object responsePayload)

onMessageProcessEnd

default void onMessageProcessEnd(ODistributedRequest iRequest,
                                 java.lang.Object responsePayload)