Hi Michael, Returning question: I understand that the method findLoadedClass is protected. But say it was public, how would you find out loaded classes on the bootstrap classloader? Since from instrumentation perspective when a loader is null its the bootstrap classloader.
Thanks ./Sam On Fri, Sep 20, 2019 at 2:08 PM Sam Thomas <sam.tho...@broadcom.com> wrote: > cool thanks > > Thanks > ./Sam > > > On Fri, Sep 20, 2019 at 5:05 AM Michael Rasmussen < > michael.rasmus...@roguewave.com> wrote: > >> On 9/18/19 2:47 PM, Sam Thomas wrote: >> > Hi, >> > >> > I'm trying to understand if a class will load as soon as all the >> transformers return. The aim is to get a class reference of a class I have >> seen in my transformer. >> >> Short answer: no. >> >> Trying to define a class can cause other classes to try to be loaded >> before (for instance the super types), meaning when you're done >> transforming class A, the same thread might try to load multiple other >> classes before it finishes defining A. >> And if any of these fail, A will also fail to be defined. >> >> > Also if there is way to get the same without triggering class loading - >> if the class is not loaded return a null reference. >> >> ClassLoader has a protected method findLoadedClass that checks if a class >> is loaded by that classloader and returns the Class instance if so, or null >> otherwise. >> But as mentioned, the method is protected so normally not accessible >> outside the classloader itself. >> >> /Michael >> >
