Clustering Acegi via JGroups (DistributedHashtable)

in my previous blog I suggest to use jms or caching for a distributable SessionRegistry
but I found a more simple solution JGroups -

DistributedHashtable :JGroups gives us such a perfect simple class to distributed maps.

• All read-only operations runs on local copies
• perfect merge strategies.
• easy implementation and configuration
• vs..

I implement two classes

first DistributableSessionInformation in fact nothing different from original SessionInformation there are points

• implements Serializable
• default constructor for SessionInformation is private and it is required for serialization
• hashcode and equals methods
• it it immutable no more refreshLastRequest method

DistributableSessionRegistryImpl is SessionRegistry via JGroups

you can set both jgroups file and cluster name
if you use init and destroy method it will be cluster enabled else local singleton cache

sample configuration

<bean id=”org.acegisecurity.concurrent.SessionRegistry”
class=”tr.com.oasis.babylon.acegi.DistributableSessionRegistryImpl” init-method=”init” destroy-method=”destroy”>
<property name=”channelName” value=”acegicluster1″/>
<property name=”clusterOptions” value=”udp.xml”/>
<property name=”distributable” value=”${distributable}”/>

</bean>

download distributable-acegi.zip for both source and binary

dependency :

• acegi 1.0.3+
• jgroups 2.4.1
• log4j 1.2.13

http://www.jgroups.org
http://www.acegisecurity.org/

waiting for your comments

Update:
06.18.2007:small update for upload link and implementation for a small bug.
Hot Referers:
http://www.theserverside.com/blogs/thread.tss?thread_id=45789
www.dzone.com/links/distributable_acegi_via_jgroups.html
http://forum.springframework.org/showthread.php?t=40111
forum.springframework.org/showthread.php?p=126459