Getting class type matching beans from KernelController

[alesj]

What's the easies (proper) way to get all beans from KernelController (or any other Kernel managed object) which are instance of certain class?

[adrian.brock]

The code should be similar to demand/supply

You need to maintain a cross reference map in the controller
from the InstantiateAction.

Map<Class, Object> beansByClass;

Then you need to augment the injection dependency
to resolve against this map (when no name is given).