Hi,

I have used Guice now for several months and have found it incredibly
productive to work with.

However I have run into a problem, which is  variation on the 'robot
legs' problem I suppose.

I have a set of objects forming part of an application, that function
as a module. A number of those objects must be Singletons and
I have scoped them as such in the Module declarations.

However I now need to be able to run multiple instantiations of the
module with different configuration parameters. I am currently working
on the premise that I need child injectors.

This involves having child injectors that contain more global scope
and then child injectors from those injectors. Like configuring the
'toes' in the 'robot legs' ! There is also the requirement that extra
instantiations are generated on-the-fly at runtime.

There are a couple of types of object that needs to be singletons in
each instance of the  injector, so one instance in each 'leg' and one
instance in each 'toe'. I have not been able to work out how to
achieve this. If I declare it a singleton in the leg injector, then I
cannot get new singletons in the toes. Since these graphs are
generated at runtime I cannot use @Named or have different subclasses.

Does anyone have ideas on how I can achieve my goal.

Regards,

   Martin Pike

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