Related to : How do I write a J2EE/EJB Singleton?
|
| How do I write a J2EE/EJB Singleton? |
| by walkur in Programming Languages |
 |
A day ago my application was one EAR, containing one WAR, one EJB
JAR, and a couple of utility JAR files. I had a POJO singleton class
in one of those utility files, it worked, and all was well with the
world:
EAR
|--- WAR
|--- EJB JAR
|---
Util 1 JAR
|--- U
|
| J2EE: Singleton vs keeping things in session |
| by Zog in Programming Languages |
 |
When should an object (i.e. an application-wide properties file) be
kept in the session, as opposed to creating a singleton to keep it?
When should each of these approaches be used?
Note: I am
working on a clustered environment, if that makes any difference.
|
| In which real life senario for Java/j2ee application we are using singleton class |
| by sham63 in Programming Languages |
 |
Hello All,
Singleton class used by an application to ensure that
at any time there is only one instance of a class created. You can
achieve this by having the private constructor in the class and having
a getter method which returns an object of the class and creates one
for the first time if
|
| J2EE REST (Wink) - Can be REST Api class defines as singleton? |
| 2/12/2014 3:40 pm by NeoTubNinja in Programming Languages |
 |
I am using J2EE with WASLiberty & Apache Wink (REST Impl).
I would need in some cases to have api class to be singleton, however
private constructor probably wont work with REST. Has anyone used api
to be singleton ? any hints ?
|
| J2EE REST - Can be REST Api class defines as singleton? |
| 2/12/2014 2:40 pm by Michiel Overtoom in Programming Languages |
 |
I am using J2EE with WASLiberty & Apache Wink (REST Impl).
I would need in some cases to have api class to be singleton, however
private constructor probably wont work with REST. Has anyone used api
to be singleton ? any hints ?
|
| Still Need To Write a Connection Pool Class in J2EE 6 with MySQL 5? |
| by vasil in Programming Languages |
 |
I'm looking around trying to see if anybody has asked this before.
I don't think so.
Some of the other questions I've looked
at seem to talk about this a bit and indicate that using a JNDI
datasource setup in Tomcat is the best way to do database stuff in
your J2EE app now.
<
|
| J2EE EAR shared location of read/write resources within clustered environment |
| by Sivavt in Programming Languages |
 |
Within a J2EE environment (happends to be WAS 6.1 but could be any
application server) I need to place a XML file, which is a
configuration file, so that I can read and write to it.
This needs to be available in a clustered environment so I am
looking at using the class path to load
|
| How to write: Singleton ATL Class? |
| by DaleS in Programming Languages |
 |
Hi All,
Have an ATL Class called CEngine.
How can I make it
Singleton that only one instance of Engine exists, and is usable by
all clients?
Sid
|
| What is the correct way to write a singleton pattern in Ruby? |
| by Dannar26 in Programming Languages |
|
I'm trying to write the most secure singleton in Ruby that I can.
I'm new to the language, which is so elastic that I don't have a
strong feeling that my singleton class will be successful at creating
only one instance. As a bonus, I'd like the object to only become
instantiated if really used.
|
| J2EE tutorial (Learn J2EE in 21 Days, Sams) |
| by postmortemIA in Programming Languages |
|
Hello everyone,
I just bough a book to learn J2EE (Sams Learn
J2EE in 21 Days) from ebay.
This book is based on J2EE 1.3, im
wondering if its good to read this
book or if it would be better
to get a book which is based on J2EE 1.4.
Could anyone tell me
?
Thanks
Sebastie
|
