Forgot my favorite:
- Host the information behind a web service. This allows the flexibility
of having the webapps be on different machines any and even behind
firewalls. All info travels via http. And you can have apps on other
platforms share the info as well.
[EMAIL PROTECTED] on 05/15/2002 12:29:12 PM
Please respond to "Struts Users Mailing List"
<[EMAIL PROTECTED]>
To: "Struts Users Mailing List" <[EMAIL PROTECTED]>
cc: (bcc: Kevin Bedell/Systems/USHO/SunLife)
Subject: RE: Sharing information among web apps
Here are a couple options:
- Store the "object" you want to share in a JNDI directory. This can
be on the same host or on a seperate one.
- Wrap this object as an Entity Bean in an EJB sever.
- Wrap access to it in a generic RMI wrapper and have all objects
access it in a single JVM via RMI.
>From the brief description you've laid out, it seems that a JMS queue might
work well. JMS can be used for either publish/subscribe updates to Objects
or for point-to-point communication of an object between applications. It's
not really that hard to use - JBoss, Weblogic and Websphere (at least) have
JMS implementations. Plus you can get persistence of the data using JMS -
if the JVM crashes, the JMS objects can be restored when you restart the
server.
A more traditional approach would be to just store the info in a
database...
FWIW -
Kevin
[EMAIL PROTECTED] on 05/15/2002 11:15:28 AM
Please respond to "Struts Users Mailing List"
<[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
cc: (bcc: Kevin Bedell/Systems/USHO/SunLife)
Subject: RE: Sharing information among web apps
Hello,
The only ways I can think of would be:
A persistent store (ie a database).
You could possibly use a singleton structure IF all the web apps are inside
the same VM.
Anyone have any better suggestions.
Regards,
Stephen.
-----Original Message-----
From: Roshan Paiva [mailto:[EMAIL PROTECTED]]
Sent: 15 May 2002 17:14
To: [EMAIL PROTECTED]
Subject: Sharing information among web apps
Hi..
This is not a struts related question.. but I need to know if there is a
way of sharing information between web applications. for example I have
a common class.. maybe in the server's classpath .. and one web app
accesses it and sets some values.. and then another web app accesses it
and gets those values..
Thanks and Kind Regards
Roshan
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