org.apache.tez.dag.history.recovery
Class RecoveryService

java.lang.Object
  org.apache.hadoop.service.AbstractService
      org.apache.tez.dag.history.recovery.RecoveryService

All Implemented Interfaces:

Closeable, org.apache.hadoop.service.Service

public class RecoveryService
extends org.apache.hadoop.service.AbstractService

Nested Class Summary

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

org.apache.hadoop.service.Service.STATE

Field Summary

static String

RECOVERY_FATAL_OCCURRED_DIR

Constructor Summary

RecoveryService(AppContext appContext)

Method Summary

void	handle(DAGHistoryEvent event)
boolean	hasRecoveryFailed()
void	serviceInit(org.apache.hadoop.conf.Configuration conf)
void	serviceStart()
void	serviceStop()

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

RECOVERY_FATAL_OCCURRED_DIR

public static final String RECOVERY_FATAL_OCCURRED_DIR

See Also:

Constant Field Values

Constructor Detail

RecoveryService

public RecoveryService(AppContext appContext)

Method Detail

serviceInit

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

Overrides:

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

Throws:

Exception

serviceStart

public void serviceStart()

Overrides:

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

serviceStop

public void serviceStop()

Overrides:

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

handle

public void handle(DAGHistoryEvent event)
            throws IOException

Throws:

IOException

hasRecoveryFailed

public boolean hasRecoveryFailed()