Package org.apache.hadoop.yarn.server.resourcemanager

Class IsResourceManagerActiveServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

org.apache.hadoop.http.IsActiveServlet

org.apache.hadoop.yarn.server.resourcemanager.IsResourceManagerActiveServlet

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class IsResourceManagerActiveServlet
extends org.apache.hadoop.http.IsActiveServlet

Used by Load Balancers to find the active ResourceManager.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
static java.lang.String	RM_ATTRIBUTE

Fields inherited from class org.apache.hadoop.http.IsActiveServlet

PATH_SPEC, RESPONSE_ACTIVE, RESPONSE_NOT_ACTIVE, SERVLET_NAME

Constructor Summary

Constructors

Constructor	Description
IsResourceManagerActiveServlet()

Method Summary

Modifier and Type	Method	Description
protected boolean	isActive()

Methods inherited from class org.apache.hadoop.http.IsActiveServlet

doGet

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log

Methods inherited from class java.lang.Object

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

Field Detail

RM_ATTRIBUTE

public static final java.lang.String RM_ATTRIBUTE

See Also:

Constant Field Values

Constructor Detail

IsResourceManagerActiveServlet

public IsResourceManagerActiveServlet()

Method Detail

isActive

protected boolean isActive()

Specified by:

isActive in class org.apache.hadoop.http.IsActiveServlet