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

Class SimpleHistoryLoggingService

java.lang.Object

org.apache.hadoop.service.AbstractService

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

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

All Implemented Interfaces:

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

public class SimpleHistoryLoggingService
extends HistoryLoggingService

Nested Class Summary

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

org.apache.hadoop.service.Service.STATE

Field Summary

Fields

Modifier and Type	Field and Description
static String	LOG_FILE_NAME_PREFIX
static String	RECORD_SEPARATOR

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

appContext

Constructor Summary

Constructors

Constructor and Description
SimpleHistoryLoggingService()

Method Summary

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

Field Detail

RECORD_SEPARATOR

public static final String RECORD_SEPARATOR

LOG_FILE_NAME_PREFIX

public static final String LOG_FILE_NAME_PREFIX

See Also:

Constant Field Values

Constructor Detail

SimpleHistoryLoggingService

public SimpleHistoryLoggingService()

Method Detail

serviceInit

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

Overrides:

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

Throws:

Exception

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)

Description copied from class: HistoryLoggingService

Handle logging of history event

Specified by:

handle in class HistoryLoggingService

Parameters:

event - History event to be logged