Package org.apache.ambari.server.state.services

Class Summary

Class	Description
AlertNoticeDispatchService	The AlertNoticeDispatchService is used to scan the database for AlertNoticeEntity that are in the NotificationState.PENDING state.
AlertNoticeDispatchService.AlertInfo	The AlertNoticeDispatchService.AlertInfo class encapsulates all information about a single alert for a single outbound Notification.
AlertNoticeDispatchService.AlertSummaryInfo	The AlertNoticeDispatchService.AlertSummaryInfo class encapsulates all of the alert information for the Notification.
AlertNoticeDispatchService.AmbariInfo	The AlertNoticeDispatchService.AmbariInfo class is used to provide the template engine with information about the Ambari installation.
AlertNoticeDispatchService.DispatchInfo	The AlertNoticeDispatchService.DispatchInfo class is used to provide the template engine with information about the intended target of the notification.
AmbariServerAlertService	The AmbariServerAlertService is used to manage the dynamically loaded AlertRunnables which perform server-side alert checks.
CachedAlertFlushService	The CachedAlertFlushService is used to periodically flush cached alert data to the database.
MetricsRetrievalService	The MetricsRetrievalService is used as a headless, autonomous service which encapsulates: An ExecutorService for fulfilling remote metric URL requests A cache for JMX metrics A cache for REST metrics Classes can inject an instance of this service in order to gain access to its caches and request mechanism.
RetryUpgradeActionService	Monitors commands during Stack Upgrade that are in a HOLDING_* failed because they failed in order to retry them automatically until they exceed a certain threshold of retry time.

Enum Summary

Enum	Description
MetricsRetrievalService.MetricSourceType	The type of web service hosting the metrics.