EntityAccessor: more classes supported in as

Change-Id: I7c696b44775a1b4d0ed554fd180686c9cb0a7151
Reviewed-on: http://gerrit.esdi-community.eu/3127
Tested-by: Jenkins <sitemple@igd.fraunhofer.de>
Reviewed-by: Simon Templer <simon.templer@igd.fraunhofer.de>