singleton « Web Service « Spring Q&A





1. Should service layer classes be singletons?    stackoverflow.com

I am using Java EE with Spring framework. Should my service classes be created as singletons? Can someone please explain why or why not? Thanks!

2. Loading images only one time per spring webapp    stackoverflow.com

I need to load a bunch of images into my Spring webapp. For performance reasons this should only be done after starting the webapp. The images should be saved in a ...

3. Non-singleton service objects with declative trasaction ?    forum.springsource.org

Hi, I want to create service objects with declative transaction, so I use TransactionProxyFactoryBean in applicationcontext.xml as following: Code: ... PROPAGATION_REQUIRED ...

4. Singleton in web application and web service application    forum.springsource.org

Singleton in web application and web service application Hi, I am trying to develop a project that can be accessed by both a web application and a WS application via axis. ...

5. Service-Layer Design - Singleton/Threads with multiple Clients    forum.springsource.org

Service-Layer Design - Singleton/Threads with multiple Clients Hello, i'm fairly new to spring and my question shurely depends on my missing experience and overview of springs possibilities, but I hope someone ...

6. Singleton or Prototyped service pojo. (using convenience SLSB EJB impl class)    forum.springsource.org

Singleton or Prototyped service pojo. (using convenience SLSB EJB impl class) Hi, With regard to the use of spring's EJB implementation class for a SLSB (section in the manual 17.2. Using ...

7. Singleton locator in a web application    forum.springsource.org

Singleton locator in a web application Hi, I'm trying to port an old client/server application written using Hibernate alone to a three tier architecture using Spring remoting. The application uses a ...

8. Service Object, Two Clients, Singleton    forum.springsource.org

Hello, I am trying to find the best way to instantiate a service object once as a singleton and have it used by two consumers - a web app and a ...

9. Singletons and Service Classes    forum.springsource.org

Singletons and Service Classes Hi Long time reader, first time poster I just wanted to get some clarification. In most cases, beans which are configured by a Spring Application Context will ...





10. Multiple webapps, singleton bean and deployment.    forum.springsource.org

Multiple webapps, singleton bean and deployment. I am new to Spring, I have the following questions. I have a bean (Singleton) which parses a file and holds a large amount of ...

11. CORBA service scope, singleton/request?    forum.springsource.org

CORBA service scope, singleton/request? Hi Can anyone help with my problem? My spring mvc web app is using a CORBA service to retrieve some data and I'm not entirely sure which ...

12. Singleton service impl classes?    forum.springsource.org

Hi, I was wondering if it is correct to use singleton classes as services within an OSGi environment. As I understand, if the bundle containing the service is redeployed, another instance ...

13. convert old code to stateless singleton service bean    forum.springsource.org

14. Singleton service layer    forum.springsource.org

In a lot of examples out there, a service layer of an application is created as a singleton. So if a service class is a singleton and you're using the service ...

15. Singleton bean in Web application    forum.springsource.org

Since Spring beans are singleton by default, and as per the documentation, the scope is for "per container and per bean", is there any chance singleton beans state could be shared ...