com.aquenos.cassandra.pvarchiver.server.cluster

Class ServerOnlineStatusEvent

java.lang.Object

java.util.EventObject

org.springframework.context.ApplicationEvent

com.aquenos.cassandra.pvarchiver.server.cluster.ServerOnlineStatusEvent

All Implemented Interfaces:

Serializable

public class ServerOnlineStatusEvent
extends ApplicationEvent

Event sent by the ClusterManagementService when this server's online status changes. Listeners can register for this event by implementing the ApplicationListener interface or using the EventListener annotation.

Author:

Sebastian Marsching

See Also:

Serialized Form

Field Summary

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor and Description
ServerOnlineStatusEvent(ClusterManagementService source, boolean online) Creates an event sent by the specified cluster management service and having the specified online status.

Method Summary

Modifier and Type	Method and Description
ClusterManagementService	getSource()
boolean	isOnline() Tells the new online status of the server.

Methods inherited from class org.springframework.context.ApplicationEvent

getTimestamp

Methods inherited from class java.util.EventObject

toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ServerOnlineStatusEvent

public ServerOnlineStatusEvent(ClusterManagementService source,
                               boolean online)

Creates an event sent by the specified cluster management service and having the specified online status.

Parameters:

source - cluster management service sending the event.

online - true if this server is online now, false if it is offline now.

Method Detail

getSource

public ClusterManagementService getSource()

Overrides:

getSource in class EventObject

isOnline

public boolean isOnline()

Tells the new online status of the server. true means that the server changed from offline to online and false means that it changed from online to offline.

Returns:

this server's new online status.