Package org.apache.hadoop.yarn.server.webproxy

Class FedAppReportFetcher

java.lang.Object

org.apache.hadoop.yarn.server.webproxy.AppReportFetcher

org.apache.hadoop.yarn.server.webproxy.FedAppReportFetcher

public class FedAppReportFetcher
extends AppReportFetcher

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.hadoop.yarn.server.webproxy.AppReportFetcher

AppReportFetcher.AppReportSource, AppReportFetcher.FetchedAppReport

Constructor Summary

Constructors

Constructor	Description
FedAppReportFetcher(org.apache.hadoop.conf.Configuration conf)	Create a new Connection to the RM/Application History Server to fetch Application reports.

Method Summary

Modifier and Type	Method	Description
AppReportFetcher.FetchedAppReport	getApplicationReport(org.apache.hadoop.yarn.api.records.ApplicationId appId)	Get an application report for the specified application id from the RM and fall back to the Application History Server if not found in RM.
java.lang.String	getRmAppPageUrlBase(org.apache.hadoop.yarn.api.records.ApplicationId appId)
void	registerSubCluster(org.apache.hadoop.yarn.server.federation.store.records.SubClusterInfo info, org.apache.hadoop.yarn.api.ApplicationClientProtocol proxy)
void	stop()

Methods inherited from class org.apache.hadoop.yarn.server.webproxy.AppReportFetcher

getAhsAppPageUrlBase, getAHSProxy, getApplicationReport, getConf, setHistoryManager

Methods inherited from class java.lang.Object

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

Constructor Detail

FedAppReportFetcher

public FedAppReportFetcher(org.apache.hadoop.conf.Configuration conf)

Create a new Connection to the RM/Application History Server to fetch Application reports.

Parameters:

conf - the conf to use to know where the RM is.

Method Detail

getApplicationReport

public AppReportFetcher.FetchedAppReport getApplicationReport(org.apache.hadoop.yarn.api.records.ApplicationId appId)
                                                       throws org.apache.hadoop.yarn.exceptions.YarnException,
                                                              java.io.IOException

Get an application report for the specified application id from the RM and fall back to the Application History Server if not found in RM.

Specified by:

getApplicationReport in class AppReportFetcher

Parameters:

appId - id of the application to get.

Returns:

the ApplicationReport for the appId.

Throws:

org.apache.hadoop.yarn.exceptions.YarnException - on any error.

java.io.IOException - connection exception.

getRmAppPageUrlBase

public java.lang.String getRmAppPageUrlBase(org.apache.hadoop.yarn.api.records.ApplicationId appId)
                                     throws java.io.IOException,
                                            org.apache.hadoop.yarn.exceptions.YarnException

Specified by:

getRmAppPageUrlBase in class AppReportFetcher

Throws:

java.io.IOException

org.apache.hadoop.yarn.exceptions.YarnException

stop

public void stop()

Overrides:

stop in class AppReportFetcher

registerSubCluster

@VisibleForTesting
public void registerSubCluster(org.apache.hadoop.yarn.server.federation.store.records.SubClusterInfo info,
                               org.apache.hadoop.yarn.api.ApplicationClientProtocol proxy)