org.apache.hive.service.servlet

Class HS2LeadershipStatus

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

org.apache.hive.service.servlet.HS2LeadershipStatus

All Implemented Interfaces:

Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class HS2LeadershipStatus
extends javax.servlet.http.HttpServlet

Returns "true" if this HS2 instance is leader else "false". Invoking a "DELETE" method on this endpoint will trigger a failover if this instance is a leader. hadoop.security.instrumentation.requires.admin should be set to true and current user has to be in admin ACLS for accessing any of these endpoints.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
HS2LeadershipStatus()

Method Summary

Modifier and Type	Method and Description
void	doDelete(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)

Methods inherited from class javax.servlet.http.HttpServlet

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

Constructor Detail

HS2LeadershipStatus

public HS2LeadershipStatus()

Method Detail

doGet

public void doGet(javax.servlet.http.HttpServletRequest request,
                  javax.servlet.http.HttpServletResponse response)
           throws IOException

Overrides:

doGet in class javax.servlet.http.HttpServlet

Throws:

IOException

doDelete

public void doDelete(javax.servlet.http.HttpServletRequest request,
                     javax.servlet.http.HttpServletResponse response)
              throws IOException

Overrides:

doDelete in class javax.servlet.http.HttpServlet

Throws:

IOException