Wed, 21 May 2014 10:56:41 -0700
Added tag jdk8u20-b15 for changeset 8c785f9bde6f
aoqi@0 | 1 | // A simple class to extend an abstract class and get loaded with different |
aoqi@0 | 2 | // loaders. This class is loaded via LOADER1. A similar named class will |
aoqi@0 | 3 | // be loaded via LOADER2. |
aoqi@0 | 4 | public class many_loader extends bug_21227 { |
aoqi@0 | 5 | public You_Have_Been_P0wned _p0wnee; |
aoqi@0 | 6 | |
aoqi@0 | 7 | // I need to compile (hence call in a loop) a function which returns a value |
aoqi@0 | 8 | // loaded from classloader other than the system one. The point of this |
aoqi@0 | 9 | // call is to give me an abstract 'hook' into a function loaded with a |
aoqi@0 | 10 | // foreign loader. |
aoqi@0 | 11 | |
aoqi@0 | 12 | // The original 'make(boolean)' returns a bug_21227. The VM will inject a |
aoqi@0 | 13 | // synthetic method to up-cast the returned 'from_loader1' into a |
aoqi@0 | 14 | // 'bug_21227'. |
aoqi@0 | 15 | public many_loader[] make( IFace iface ) { |
aoqi@0 | 16 | // This function needs to return a value known to be loaded from LOADER2. |
aoqi@0 | 17 | // Since I need to use a yet different loader, I need to make an unknown |
aoqi@0 | 18 | // foreign call. In this case I'll be using an interface to make the |
aoqi@0 | 19 | // unknown call, with but a single implementor so the compiler can do the |
aoqi@0 | 20 | // upcast statically. |
aoqi@0 | 21 | return iface==null ? null : iface.gen(); |
aoqi@0 | 22 | } |
aoqi@0 | 23 | } |