org.apache.hawq.pxf.service.rest

Class ServletLifecycleListener

java.lang.Object

org.apache.hawq.pxf.service.rest.ServletLifecycleListener

All Implemented Interfaces:

java.util.EventListener, javax.servlet.ServletContextListener

public class ServletLifecycleListener
extends java.lang.Object
implements javax.servlet.ServletContextListener

Listener on lifecycle events of our webapp

Constructor Summary

Constructors

Constructor and Description
ServletLifecycleListener()

Method Summary

Modifier and Type	Method and Description
void	contextDestroyed(javax.servlet.ServletContextEvent event) Called before the webapp is about to go down
void	contextInitialized(javax.servlet.ServletContextEvent event) Called after the webapp has been initialized.

Methods inherited from class java.lang.Object

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

Constructor Detail

ServletLifecycleListener

public ServletLifecycleListener()

Method Detail

contextInitialized

public void contextInitialized(javax.servlet.ServletContextEvent event)

Called after the webapp has been initialized. 1. Initializes log4j. 2. Initiates a Kerberos login when Hadoop security is on.

Specified by:

contextInitialized in interface javax.servlet.ServletContextListener

contextDestroyed

public void contextDestroyed(javax.servlet.ServletContextEvent event)

Called before the webapp is about to go down

Specified by:

contextDestroyed in interface javax.servlet.ServletContextListener