Cache or class variables?
Is it better to use class variables or session cache in ASP.NET? I have a variable that I need to keep the pages loaded. Better to use:
public class MyClass {
private SomeObject anObject;
private method1() {
anObject = new SomeObject();
}
private method2() {
// do something with anObject
}
}
or
public class MyClass {
private method1() {
Session["anObject"] = new SomeObject();
}
private method2() {
SomeObject anObject = (SomeObject)Session["anObject"];
}
}
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1 answer
Use cache. I am not working on .NET, but in Java with servlets. There I would definitely use an HTTP session since my application can run on a cluster of servers and I know that storing a value in an HTTP session will work in this setup, while storing it in a class variable can be problematic. You can store the entire MyClass class in the HTTP session and then you can store the values in class variables.
Basically, you can view HTTP sessions as a hash table.
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