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org.apache.lens.server.stats.store
Class StatisticsStore<T extends LensStatistics>

java.lang.Object
  org.apache.lens.server.api.events.AsyncEventListener<T>
      org.apache.lens.server.stats.store.StatisticsStore<T>

Type Parameters:

T - the generic type

All Implemented Interfaces:

LensEventListener<T>

Direct Known Subclasses:

LogStatisticsStore

public abstract class StatisticsStore<T extends LensStatistics>
extends AsyncEventListener<T>

Top level class used to persist the Statistics event.

Field Summary

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

HANDLER_METHOD_NAME

Constructor Summary

StatisticsStore()

Method Summary

abstract void	initialize(org.apache.hadoop.conf.Configuration conf) Initialize the store.
void	start(LensEventService service) Start the Store.
void	stop(LensEventService service) Stop the store.

Methods inherited from class org.apache.lens.server.api.events.AsyncEventListener

getEventQueue, onEvent, process, stop

Methods inherited from class java.lang.Object

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

Constructor Detail

StatisticsStore

public StatisticsStore()

Method Detail

initialize

public abstract void initialize(org.apache.hadoop.conf.Configuration conf)

Initialize the store.

Parameters:

conf - configuration for the store

start

public void start(LensEventService service)

Start the Store.

Parameters:

service - the service

stop

public void stop(LensEventService service)

Stop the store.

Parameters:

service - the service