[jboss-user] [Javassist user questions] - Strategy for classpool = null clearing

[PaulKeeble]

In the tutorial one of the noted problems is the memory usage climb with creating a lot of CtClass's etc that are all stored in the ClassPool. I am having trouble combining that advice with a javaagent implementation.

The problem is really the order you see classes in and knowing when its safe to clear the pool. For instance say I have the following two classes:


  | class Account {
  | ...
  | }
  | 
  | Class SavingsAccount extends Account {
  | ...
  | }
  | 

The javaagent will receive first the Account class, followed by the SavingsAccount. If you clear the pool after the Account class then SavingsAccount will see an a non enhanced class (which I can't do as I am adding constructors which the subclass will call).

So the question is really what is the usual approach to this? So far I have tried the following:

- Clearing every X times called, fails for obvious reasons
- Clearing at the beginning of the program, fails because not all classes are necessarily loaded at that point

I need something that some how mind reads the future calls! Any ideas?

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