org.apache.hadoop.mapred
Class TaskGraphServlet

java.lang.Object
  extended by javax.servlet.GenericServlet
      extended by javax.servlet.http.HttpServlet
          extended by org.apache.hadoop.mapred.TaskGraphServlet
All Implemented Interfaces:
Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class TaskGraphServlet
extends javax.servlet.http.HttpServlet

The servlet that outputs svg graphics for map / reduce task statuses

See Also:
Serialized Form

Field Summary
static int height
          height of the graph w/o margins
static int width
          height of the graph w/o margins
static int xmargin
          margin space on x axis
static int ymargin
          margin space on y axis
 
Constructor Summary
TaskGraphServlet()
           
 
Method Summary
 void doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)
           
 
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

width

public static final int width
height of the graph w/o margins

See Also:
Constant Field Values

height

public static final int height
height of the graph w/o margins

See Also:
Constant Field Values

ymargin

public static final int ymargin
margin space on y axis

See Also:
Constant Field Values

xmargin

public static final int xmargin
margin space on x axis

See Also:
Constant Field Values
Constructor Detail

TaskGraphServlet

public TaskGraphServlet()
Method Detail

doGet

public void doGet(javax.servlet.http.HttpServletRequest request,
                  javax.servlet.http.HttpServletResponse response)
           throws javax.servlet.ServletException,
                  IOException
Overrides:
doGet in class javax.servlet.http.HttpServlet
Throws:
javax.servlet.ServletException
IOException


Copyright © 2009 The Apache Software Foundation