uk.ac.ebi.intenz.webapp.utilities
Class EntryLockListener

java.lang.Object
  uk.ac.ebi.intenz.webapp.utilities.EntryLockListener

All Implemented Interfaces:

EventListener, javax.servlet.http.HttpSessionBindingListener

public class EntryLockListener
extends Object
implements javax.servlet.http.HttpSessionBindingListener

This class makes it possible to bind objects of this class to the session, which will be notified if they are binded or unbinded from a session.

The purpose of this class is to close connections properly, when the session is invalidated or timed out.

Version:

$Revision: 1.2 $ $Date: 2008/01/28 12:33:09 $

Author:

Michael Darsow

Constructor Summary

EntryLockListener(EntryLockSingleton els)
Store reference to the EntryLockSingleton object.

Method Summary

void	valueBound(javax.servlet.http.HttpSessionBindingEvent event) Stores the user of this session.
void	valueUnbound(javax.servlet.http.HttpSessionBindingEvent event) Invalidate all locks of the user.

Methods inherited from class java.lang.Object

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

Constructor Detail

EntryLockListener

public EntryLockListener(EntryLockSingleton els)

Store reference to the EntryLockSingleton object.

Parameters:

els - The EntryLockSingleton object.

Method Detail

valueBound

public void valueBound(javax.servlet.http.HttpSessionBindingEvent event)

Stores the user of this session.

Specified by:

valueBound in interface javax.servlet.http.HttpSessionBindingListener

Parameters:

event - HttpSessionBindingEvent object.

valueUnbound

public void valueUnbound(javax.servlet.http.HttpSessionBindingEvent event)

Invalidate all locks of the user.

Specified by:

valueUnbound in interface javax.servlet.http.HttpSessionBindingListener

Parameters:

event - HttpSessionBindingEvent object.