Package org.apache.hadoop.mapreduce.jobhistory

Class JobHistoryCopyService

java.lang.Object
org.apache.hadoop.service.AbstractService
org.apache.hadoop.service.CompositeService
org.apache.hadoop.mapreduce.jobhistory.JobHistoryCopyService
All Implemented Interfaces:
Closeable, AutoCloseable, org.apache.hadoop.mapreduce.jobhistory.HistoryEventHandler, org.apache.hadoop.service.Service
public class JobHistoryCopyService extends org.apache.hadoop.service.CompositeService implements org.apache.hadoop.mapreduce.jobhistory.HistoryEventHandler
Reads in history events from the JobHistoryFile and sends them out again to be recorded.

  • Nested Class Summary

    Nested classes/interfaces inherited from class org.apache.hadoop.service.CompositeService

    org.apache.hadoop.service.CompositeService.CompositeServiceShutdownHook

    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.hadoop.service.CompositeService

    STOP_ONLY_STARTED_SERVICES

  • Constructor Summary

    Constructors
    Constructor
    Description
    JobHistoryCopyService(org.apache.hadoop.yarn.api.records.ApplicationAttemptId applicationAttemptId, org.apache.hadoop.yarn.event.EventHandler<org.apache.hadoop.yarn.event.Event> handler)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    static org.apache.hadoop.fs.FSDataInputStream
    getPreviousJobHistoryFileStream(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.yarn.api.records.ApplicationAttemptId applicationAttemptId)
     
    void
    handleEvent(org.apache.hadoop.mapreduce.jobhistory.HistoryEvent event)
     
    protected void
    serviceInit(org.apache.hadoop.conf.Configuration conf)
     
    protected void
    serviceStart()
     

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

    addIfService, addService, getServices, removeService, 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

  • Constructor Details

    • JobHistoryCopyService

      public JobHistoryCopyService(org.apache.hadoop.yarn.api.records.ApplicationAttemptId applicationAttemptId, org.apache.hadoop.yarn.event.EventHandler<org.apache.hadoop.yarn.event.Event> handler)

  • Method Details

    • serviceInit

      protected void serviceInit(org.apache.hadoop.conf.Configuration conf) throws Exception
      Overrides:
      serviceInit in class org.apache.hadoop.service.CompositeService
      Throws:
      Exception

    • handleEvent

      public void handleEvent(org.apache.hadoop.mapreduce.jobhistory.HistoryEvent event) throws IOException
      Specified by:
      handleEvent in interface org.apache.hadoop.mapreduce.jobhistory.HistoryEventHandler
      Throws:
      IOException

    • serviceStart

      protected void serviceStart() throws Exception
      Overrides:
      serviceStart in class org.apache.hadoop.service.CompositeService
      Throws:
      Exception

    • getPreviousJobHistoryFileStream

      public static org.apache.hadoop.fs.FSDataInputStream getPreviousJobHistoryFileStream(org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.yarn.api.records.ApplicationAttemptId applicationAttemptId) throws IOException
      Throws:
      IOException