Package org.apache.hadoop.yarn.webapp

Class WebApp

java.lang.Object

com.google.inject.AbstractModule

com.google.inject.servlet.ServletModule

org.apache.hadoop.yarn.webapp.WebApp

All Implemented Interfaces:

com.google.inject.Module

@LimitedPrivate({"YARN","MapReduce"})
public abstract class WebApp
extends com.google.inject.servlet.ServletModule

See Also:

• for a usage example

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	WebApp.HTTP

Nested classes/interfaces inherited from class com.google.inject.servlet.ServletModule

com.google.inject.servlet.ServletModule.FilterKeyBindingBuilder, com.google.inject.servlet.ServletModule.ServletKeyBindingBuilder

Constructor Summary

Constructors

Constructor	Description
WebApp()

Method Summary

Modifier and Type	Method	Description
org.apache.hadoop.conf.Configuration	conf()
void	configureServlets()
protected void	configureWebAppServlets()
org.apache.hadoop.http.HttpServer2	getHttpServer()
InetSocketAddress	getListenerAddress()	Get the address the http server is bound to
String	getRedirectPath()
String[]	getServePathSpecs()
protected Class<? extends javax.servlet.Filter>	getWebAppFilterClass()
org.apache.hadoop.http.HttpServer2	httpServer()
void	joinThread()
String	name()
int	port()
void	route(String pathSpec, Class<? extends Controller> cls)
void	route(String pathSpec, Class<? extends Controller> cls, String action)
void	route(WebApp.HTTP method, String pathSpec, Class<? extends Controller> cls, String action)	Setup of a webapp serving route.
void	routeWithoutDefaultView(String pathSpec, Class<? extends Controller> cls, String action)	Setup of a webapp serving route without default views added to the page.
abstract void	setup()
void	stop()
String	wsName()

Methods inherited from class com.google.inject.servlet.ServletModule

configure, filter, filter, filterRegex, filterRegex, getServletContext, serve, serve, serveRegex, serveRegex

Methods inherited from class com.google.inject.AbstractModule

addError, addError, addError, bind, bind, bind, bindConstant, binder, bindInterceptor, bindListener, bindListener, bindScope, configure, convertToTypes, currentStage, getMembersInjector, getMembersInjector, getProvider, getProvider, install, requestInjection, requestStaticInjection, requireBinding, requireBinding

Methods inherited from class java.lang.Object

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

Constructor Details

WebApp

public WebApp()

Method Details

httpServer

@Provides
public org.apache.hadoop.http.HttpServer2 httpServer()

getListenerAddress

public InetSocketAddress getListenerAddress()

Get the address the http server is bound to

Returns:

InetSocketAddress

port

public int port()

stop

public void stop()

joinThread

public void joinThread()

conf

@Provides
public org.apache.hadoop.conf.Configuration conf()

name

public String name()

wsName

public String wsName()

getServePathSpecs

public String[] getServePathSpecs()

getRedirectPath

public String getRedirectPath()

configureServlets

public void configureServlets()

Overrides:

configureServlets in class com.google.inject.servlet.ServletModule

configureWebAppServlets

protected void configureWebAppServlets()

getWebAppFilterClass

protected Class<? extends javax.servlet.Filter> getWebAppFilterClass()

route

public void route(WebApp.HTTP method,
 String pathSpec,
 Class<? extends Controller> cls,
 String action)

Setup of a webapp serving route.

Parameters:

method - the http method for the route

pathSpec - the path spec in the form of /controller/action/:args etc.

cls - the controller class

action - the controller method

routeWithoutDefaultView

public void routeWithoutDefaultView(String pathSpec,
 Class<? extends Controller> cls,
 String action)

Setup of a webapp serving route without default views added to the page.

Parameters:

pathSpec - the path spec in the form of /controller/action/:args etc.

cls - the controller class

action - the controller method

route

public void route(String pathSpec,
 Class<? extends Controller> cls,
 String action)

route

public void route(String pathSpec,
 Class<? extends Controller> cls)

setup

public abstract void setup()

getHttpServer

@VisibleForTesting
public org.apache.hadoop.http.HttpServer2 getHttpServer()