org.apache.hadoop.mapred

类 TaskGraphServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

org.apache.hadoop.mapred.TaskGraphServlet

所有已实现的接口:

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

另请参阅:

序列化表格

字段概要

字段

限定符和类型	字段和说明
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

构造器概要

构造器

构造器和说明
TaskGraphServlet()

方法概要

方法

限定符和类型	方法和说明
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)

从类继承的方法 javax.servlet.http.HttpServlet

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

从类继承的方法 javax.servlet.GenericServlet

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

从类继承的方法 java.lang.Object

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

字段详细资料

width

public static final int width

height of the graph w/o margins

另请参阅:

常量字段值

height

public static final int height

height of the graph w/o margins

另请参阅:

常量字段值

ymargin

public static final int ymargin

margin space on y axis

另请参阅:

常量字段值

xmargin

public static final int xmargin

margin space on x axis

另请参阅:

常量字段值

构造器详细资料

TaskGraphServlet

public TaskGraphServlet()

方法详细资料

doGet

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

覆盖:

doGet 在类中 javax.servlet.http.HttpServlet

抛出:

javax.servlet.ServletException

IOException