alluxio.web

Class WebInterfaceAbstractMetricsServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

alluxio.web.WebInterfaceAbstractMetricsServlet

All Implemented Interfaces:

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

public abstract class WebInterfaceAbstractMetricsServlet
extends javax.servlet.http.HttpServlet

Abstract class that provides a common method for parsing metrics data.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected com.fasterxml.jackson.databind.ObjectMapper	mObjectMapper

Constructor Summary

Constructors

Constructor and Description
WebInterfaceAbstractMetricsServlet() Creates a new instance of WebInterfaceAbstractMetricsServlet.

Method Summary

Modifier and Type	Method and Description
protected void	populateCounterValues(Map<String,com.codahale.metrics.Metric> operations, Map<String,com.codahale.metrics.Counter> rpcInvocations, javax.servlet.http.HttpServletRequest request) Populates operation metrics for displaying in the UI.

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doGet, 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

mObjectMapper

protected com.fasterxml.jackson.databind.ObjectMapper mObjectMapper

Constructor Detail

WebInterfaceAbstractMetricsServlet

public WebInterfaceAbstractMetricsServlet()

Creates a new instance of WebInterfaceAbstractMetricsServlet.

Method Detail

populateCounterValues

protected void populateCounterValues(Map<String,com.codahale.metrics.Metric> operations,
                                     Map<String,com.codahale.metrics.Counter> rpcInvocations,
                                     javax.servlet.http.HttpServletRequest request)

Populates operation metrics for displaying in the UI.

Parameters:

request - The HttpServletRequest object