org.apache.tez.dag.history.logging.proto

Class ProtoHistoryLoggingService

java.lang.Object

org.apache.hadoop.service.AbstractService

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

org.apache.tez.dag.history.logging.proto.ProtoHistoryLoggingService

All Implemented Interfaces:

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

public class ProtoHistoryLoggingService
extends HistoryLoggingService

Logging service to write history events serialized using protobuf into sequence files. This can be used as external tables in hive. Or the reader can be used independently to read the data from these files.

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
ProtoHistoryLoggingService()

Method Summary

Modifier and Type	Method and Description
void	handle(DAGHistoryEvent event)
protected void	serviceInit(org.apache.hadoop.conf.Configuration conf)
protected void	serviceStart()
protected void	serviceStop()

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, 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

ProtoHistoryLoggingService

public ProtoHistoryLoggingService()

Method Detail

serviceInit

protected void serviceInit(org.apache.hadoop.conf.Configuration conf)

Overrides:

serviceInit in class org.apache.hadoop.service.AbstractService

serviceStart

protected void serviceStart()
                     throws Exception

Overrides:

serviceStart in class org.apache.hadoop.service.AbstractService

Throws:

Exception

serviceStop

protected void serviceStop()
                    throws Exception

Overrides:

serviceStop in class org.apache.hadoop.service.AbstractService

Throws:

Exception

handle

public void handle(DAGHistoryEvent event)

Specified by:

handle in class HistoryLoggingService