org.apache.tez.dag.history.logging.impl

Class DevNullHistoryLoggingService

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.tez.dag.history.logging.HistoryLoggingService

org.apache.tez.dag.history.logging.impl.DevNullHistoryLoggingService

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.hadoop.service.Service

public class DevNullHistoryLoggingService
extends HistoryLoggingService

No-op history logger.

Nested Class Summary

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

org.apache.hadoop.service.Service.STATE

Field Summary

Fields inherited from class org.apache.tez.dag.history.logging.HistoryLoggingService

appContext

Constructor Summary

Constructors

Constructor and Description
DevNullHistoryLoggingService()

Method Summary

Methods

Modifier and Type	Method and Description
void	handle(DAGHistoryEvent event) Handle logging of history event

Methods inherited from class org.apache.tez.dag.history.logging.HistoryLoggingService

setAppContext

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

close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, serviceInit, serviceStart, serviceStop, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop

Methods inherited from class java.lang.Object

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

Constructor Detail

DevNullHistoryLoggingService

public DevNullHistoryLoggingService()

Method Detail

handle

public void handle(DAGHistoryEvent event)

Description copied from class: HistoryLoggingService

Handle logging of history event

Specified by:

handle in class HistoryLoggingService

Parameters:

event - History event to be logged