Lifetime of a Singelton

Question

User-1319049494 posted

 Hi,

I am creating a class library , and i need to use Singelton pattern. Just wondering if the Grabage collector

will ever clear the object created in Singelton class. How garbage collector deals with singelton?

Thanks

Answer 1

User-158764254 posted

The singleton pattern generally uses a static/shared variable to hold a reference to the singleton instance

http://wiki.asp.net/page.aspx/288/singleton/

since the shared variable represents an active reference to that singleton, the GC does not collect the singleton instance. 

Answer 2

User-331473013 posted

How did you implement your singleton class?  The manner in which the GC handles your object will depend on the context  in which the Singleton class was implemented.  In other words, is the intent that the singleton should be applied over the lifetime of a single page, a session or the whole application?

Traditionally, the Singleton pattern is implemented using a static variable to store a reference to the current object in memory.  If this is consistent with your implementation, then the garbage collector will only destruct your object once your application closes. (For web applications - when your website is stopped on IIS, the server is shutdown, etc...).

If you can place the code of your Singleton class here, we should be able to give a better, more specific answer to your question.

Hope this helps.

Regards

Answer 3

User-359444340 posted

Due to the static nature of the single ton class we have to call GC explicitily, as we know that the single ton class have the static class and it will consume the memory till the instance exists of that class i.e (single ton). So we have to call it explicility.