Eclipse warnings and Force Implementation

Hi,

We have a partial Force implementation that works good enough for our application. It is a patch series but since I am a git/github newbie I don't know how to create a pull request with only one commit for starters.

Anyway,
the first patch eliminates some eclipse warnings so I think it is uncontroversial
the last patch is hack/workaround we had we D3. I am not suggesting to actually merge it
the patches in between are the Force implementation

   Regards