Uses of Class
org.apache.lens.server.api.events.LensEvent

Packages that use LensEvent

Package	Description
org.apache.lens.server
org.apache.lens.server.api.driver
org.apache.lens.server.api.events
org.apache.lens.server.api.query
org.apache.lens.server.api.session
org.apache.lens.server.stats.event
org.apache.lens.server.stats.event.query
org.apache.lens.server.stats.store.log

Uses of LensEvent in org.apache.lens.server

Methods in org.apache.lens.server with type parameters of type LensEvent

Modifier and Type	Method and Description
<T extends LensEvent> void	EventServiceImpl.addListenerForType(LensEventListener<? super T> listener, Class<T> eventType)
<T extends LensEvent> Collection<LensEventListener>	EventServiceImpl.getListeners(Class<T> eventType)
<T extends LensEvent> void	EventServiceImpl.removeListenerForType(LensEventListener<? super T> listener, Class<T> eventType)

Methods in org.apache.lens.server that return types with arguments of type LensEvent

Modifier and Type	Method and Description
Map<Class<? extends LensEvent>,List<LensEventListener>>	EventServiceImpl.getEventListeners()

Methods in org.apache.lens.server with parameters of type LensEvent

Modifier and Type	Method and Description
void	EventServiceImpl.notifyEvent(LensEvent evt)

Uses of LensEvent in org.apache.lens.server.api.driver

Subclasses of LensEvent in org.apache.lens.server.api.driver

Modifier and Type	Class and Description
class	DriverEvent The Class DriverEvent.
class	DriverSessionStarted The Class DriverSessionStarted.

Uses of LensEvent in org.apache.lens.server.api.events

Classes in org.apache.lens.server.api.events with type parameters of type LensEvent

Modifier and Type	Class and Description
class	AsyncEventListener<T extends LensEvent> Event listeners should implement this class if they wish to process events asynchronously.
interface	LensEventListener<T extends LensEvent> The handler method should not block so that the event service can proceed to notifying other listeners as soon as possible.

Subclasses of LensEvent in org.apache.lens.server.api.events

Modifier and Type	Class and Description
class	SchedulerAlarmEvent This event is triggered by the AlarmService whenever a scheduled query needs to be scheduled.

Methods in org.apache.lens.server.api.events with type parameters of type LensEvent

Modifier and Type	Method and Description
<T extends LensEvent> void	LensEventService.addListenerForType(LensEventListener<? super T> listener, Class<T> eventType) Add a listener for the given event type.
<T extends LensEvent> Collection<LensEventListener>	LensEventService.getListeners(Class<T> changeType) Get all listeners of a particular type.
<T extends LensEvent> void	LensEventService.removeListener(LensEventListener<? super T> listener) Remove this listener instance from all subscribed event types.
<T extends LensEvent> void	LensEventService.removeListenerForType(LensEventListener<? super T> listener, Class<T> eventType) Remove listener for a given event type.

Methods in org.apache.lens.server.api.events with parameters of type LensEvent

Modifier and Type	Method and Description
void	LensEventService.notifyEvent(LensEvent event) Process an event, and notify all listeners interested in this event.

Uses of LensEvent in org.apache.lens.server.api.query

Subclasses of LensEvent in org.apache.lens.server.api.query

Modifier and Type	Class and Description
class	PriorityChange Event fired when query priority changes.
class	QueryAccepted The Class QueryAccepted.
class	QueryCancelled Event fired when query is cancelled.
class	QueryClosed Event fired when a query is closed.
class	QueryEnded Generic event denoting that query has ended.
class	QueryEvent<T> A generic event related to state change of a query Subclasses must declare the specific type of change they are interested in.
class	QueryExecuted Event fired when query is successfully completed by the driver.
class	QueryFailed Event fired when a query fails to execute.
class	QueryLaunched Event fired when query is LAUNCHED.
class	QueryQueued Event fired when a query is QUEUED.
class	QueryRejected The Class QueryRejected.
class	QueryRunning Event fired when query enters a RUNNING state.
class	QuerySuccess Event fired when query is successfully completed.
class	QueuePositionChange Event fired when query moves up or down in the execution engine's queue.
class	StatusChange The Class StatusChange.

Uses of LensEvent in org.apache.lens.server.api.session

Subclasses of LensEvent in org.apache.lens.server.api.session

Modifier and Type	Class and Description
class	SessionClosed
class	SessionEvent
class	SessionExpired
class	SessionOpened
class	SessionRestored

Uses of LensEvent in org.apache.lens.server.stats.event

Subclasses of LensEvent in org.apache.lens.server.stats.event

Modifier and Type	Class and Description
class	LensStatistics Class used to capture statistics information for various components.
class	LoggableLensStatistics Loggable Lens Statistics which is logged to a log file as a JSON Object.

Uses of LensEvent in org.apache.lens.server.stats.event.query

Subclasses of LensEvent in org.apache.lens.server.stats.event.query

Modifier and Type	Class and Description
class	QueryExecutionStatistics Statistics class used to capture query information.

Uses of LensEvent in org.apache.lens.server.stats.store.log

Subclasses of LensEvent in org.apache.lens.server.stats.store.log

Modifier and Type	Class and Description
class	PartitionEvent Event class which encapsulates the partition information.