org.apache.ambari.server.events

Class AlertHashInvalidationEvent

java.lang.Object

org.apache.ambari.server.events.AmbariEvent

org.apache.ambari.server.events.ClusterEvent

org.apache.ambari.server.events.AlertHashInvalidationEvent

public class AlertHashInvalidationEvent
extends ClusterEvent

The AlertHashInvalidationEvent is fired when one of the following conditions is met and the alerts running on an agent need to be recalculated:

• An alert definition changes.
• A host is removed from the cluster.
• A service host component is added or removed.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.ambari.server.events.AmbariEvent

AmbariEvent.AmbariEventType

Field Summary

Fields inherited from class org.apache.ambari.server.events.ClusterEvent

m_clusterId

Fields inherited from class org.apache.ambari.server.events.AmbariEvent

m_eventType

Constructor Summary

Constructors

Constructor and Description
AlertHashInvalidationEvent(long clusterId, Collection<String> hosts) Constructor.

Method Summary

Modifier and Type	Method and Description
Collection<String>	getHosts()

Methods inherited from class org.apache.ambari.server.events.ClusterEvent

getClusterId

Methods inherited from class org.apache.ambari.server.events.AmbariEvent

getType, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

AlertHashInvalidationEvent

public AlertHashInvalidationEvent(long clusterId,
                                  Collection<String> hosts)

Constructor.

Parameters:

clusterId - the ID of the cluster that the definition is in.

hosts - the hosts that were invalidated.

Method Detail

getHosts

public Collection<String> getHosts()

Returns:

the hosts