Package org.apache.hadoop.yarn.webapp

Class Dispatcher

java.lang.Object
javax.servlet.GenericServlet
javax.servlet.http.HttpServlet
org.apache.hadoop.yarn.webapp.Dispatcher
All Implemented Interfaces:
Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig
@LimitedPrivate({"YARN","MapReduce"}) public class Dispatcher extends javax.servlet.http.HttpServlet
The servlet that dispatch request to various controllers according to the user defined routes in the router.
See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    doOptions(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res)
     
    static void
    redirectToErrorPage(javax.servlet.http.HttpServletResponse res, Throwable e, String path, boolean devMode)
     
    static void
    removeCookie(javax.servlet.http.HttpServletResponse res, String name, String path)
     
    static void
    removeErrorCookies(javax.servlet.http.HttpServletResponse res, String path)
     
    void
    service(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res)
     
    void
    setDevMode(boolean choice)
     

    Methods inherited from class javax.servlet.http.HttpServlet

    doDelete, doGet, doHead, doPost, doPut, doTrace, getLastModified, 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

  • Method Details

    • doOptions

      public void doOptions(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res)
      Overrides:
      doOptions in class javax.servlet.http.HttpServlet

    • service

      public void service(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res) throws javax.servlet.ServletException, IOException
      Overrides:
      service in class javax.servlet.http.HttpServlet
      Throws:
      javax.servlet.ServletException
      IOException

    • redirectToErrorPage

      public static void redirectToErrorPage(javax.servlet.http.HttpServletResponse res, Throwable e, String path, boolean devMode)

    • removeErrorCookies

      public static void removeErrorCookies(javax.servlet.http.HttpServletResponse res, String path)

    • removeCookie

      public static void removeCookie(javax.servlet.http.HttpServletResponse res, String name, String path)

    • setDevMode

      public void setDevMode(boolean choice)