Package org.apache.hadoop.yarn.server.sharedcachemanager.webapp

Class SCMWebServer

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.hadoop.yarn.server.sharedcachemanager.webapp.SCMWebServer

All Implemented Interfaces:

java.io.Closeable, java.lang.AutoCloseable, org.apache.hadoop.service.Service

@Private
@Unstable
public class SCMWebServer
extends org.apache.hadoop.service.AbstractService

A very simple web interface for the metrics reported by SharedCacheManager TODO: Security for web ui (See YARN-2774)

Nested Class Summary

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

org.apache.hadoop.service.Service.STATE

Constructor Summary

Constructors

Constructor	Description
SCMWebServer(SharedCacheManager scm)

Method Summary

Modifier and Type	Method	Description
protected void	serviceInit(org.apache.hadoop.conf.Configuration conf)
protected void	serviceStart()
protected 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

Constructor Detail

SCMWebServer

public SCMWebServer(SharedCacheManager scm)

Method Detail

serviceInit

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

Overrides:

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

Throws:

java.lang.Exception

serviceStart

protected void serviceStart()
                     throws java.lang.Exception

Overrides:

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

Throws:

java.lang.Exception

serviceStop

protected void serviceStop()
                    throws java.lang.Exception

Overrides:

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

Throws:

java.lang.Exception