org.apache.hadoop.yarn.client.api
Class TimelineClient
java.lang.Object
org.apache.hadoop.service.AbstractService
org.apache.hadoop.yarn.client.api.TimelineClient
- All Implemented Interfaces:
- Closeable, Service
@InterfaceAudience.Public
@InterfaceStability.Unstable
public abstract class TimelineClient
- extends AbstractService
A client library that can be used to post some information in terms of a
number of conceptual entities.
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, serviceInit, serviceStart, serviceStop, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop |
TimelineClient
@InterfaceAudience.Private
protected TimelineClient(String name)
createTimelineClient
@InterfaceAudience.Public
public static TimelineClient createTimelineClient()
putEntities
@InterfaceAudience.Public
public abstract TimelinePutResponse putEntities(TimelineEntity... entities)
throws IOException,
YarnException
Send the information of a number of conceptual entities to the timeline
server. It is a blocking API. The method will not return until it gets the
response from the timeline server.
- Parameters:
entities
- the collection of TimelineEntity
- Returns:
- the error information if the sent entities are not correctly stored
- Throws:
IOException
YarnException
getDelegationToken
@InterfaceAudience.Public
public abstract org.apache.hadoop.security.token.Token<TimelineDelegationTokenIdentifier> getDelegationToken(String renewer)
throws IOException,
YarnException
Get a delegation token so as to be able to talk to the timeline server in a
secure way.
- Parameters:
renewer
- Address of the renewer who can renew these tokens when needed by
securely talking to the timeline server
- Returns:
- a delegation token (
Token
) that can be used to talk to the
timeline server
- Throws:
IOException
YarnException
Copyright © 2014 Apache Software Foundation. All Rights Reserved.