org.apache.lens.server
Class EventServiceImpl

java.lang.Object
  org.apache.hive.service.AbstractService
      org.apache.lens.server.EventServiceImpl

All Implemented Interfaces:

org.apache.hive.service.Service, LensEventService

public class EventServiceImpl
extends org.apache.hive.service.AbstractService
implements LensEventService

Implementation of LensEventService

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hive.service.Service

org.apache.hive.service.Service.STATE

Field Summary

static org.apache.commons.logging.Log

LOG The Constant LOG.

Fields inherited from interface org.apache.lens.server.api.events.LensEventService

NAME

Constructor Summary

EventServiceImpl(String name)
Instantiates a new event service impl.

Method Summary

<T extends LensEvent> void	addListenerForType(LensEventListener<? super T> listener, Class<T> eventType)
Map<Class<? extends LensEvent>,List<LensEventListener>>	getEventListeners()
<T extends LensEvent> Collection<LensEventListener>	getListeners(Class<T> eventType)
void	init(org.apache.hadoop.hive.conf.HiveConf hiveConf)
void	notifyEvent(LensEvent evt)
void	removeListener(LensEventListener listener)
<T extends LensEvent> void	removeListenerForType(LensEventListener<? super T> listener, Class<T> eventType)
void	start()
void	stop()

Methods inherited from class org.apache.hive.service.AbstractService

getHiveConf, getName, getServiceState, getStartTime, register, unregister

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.apache.commons.logging.Log LOG

The Constant LOG.

Constructor Detail

EventServiceImpl

public EventServiceImpl(String name)

Instantiates a new event service impl.

Parameters:

name - the name

Method Detail

init

public void init(org.apache.hadoop.hive.conf.HiveConf hiveConf)

Specified by:

init in interface org.apache.hive.service.Service

Overrides:

init in class org.apache.hive.service.AbstractService

removeListener

public void removeListener(LensEventListener listener)

Specified by:

removeListener in interface LensEventService

notifyEvent

public void notifyEvent(LensEvent evt)
                 throws org.apache.lens.api.LensException

Specified by:

notifyEvent in interface LensEventService

Throws:

org.apache.lens.api.LensException

getListeners

public <T extends LensEvent> Collection<LensEventListener> getListeners(Class<T> eventType)

Specified by:

getListeners in interface LensEventService

start

public void start()

Specified by:

start in interface org.apache.hive.service.Service

Overrides:

start in class org.apache.hive.service.AbstractService

stop

public void stop()

Specified by:

stop in interface org.apache.hive.service.Service

Overrides:

stop in class org.apache.hive.service.AbstractService

getEventListeners

public Map<Class<? extends LensEvent>,List<LensEventListener>> getEventListeners()

addListenerForType

public <T extends LensEvent> void addListenerForType(LensEventListener<? super T> listener,
                                                     Class<T> eventType)

Specified by:

addListenerForType in interface LensEventService

removeListenerForType

public <T extends LensEvent> void removeListenerForType(LensEventListener<? super T> listener,
                                                        Class<T> eventType)

Specified by:

removeListenerForType in interface LensEventService