here two samples that I made on this:Ranking: htl-examples/CustomBindingProvider.java at master · heervisscher/htl-examples · GitHub Service: htl-examples/MySimpleServiceImpl.java at master · heervisscher/htl-examples · GitHub
I would always AutoClosable when creating a new resolver / session: htl-examples/AutoCloseableService.java at master · heervisscher/htl-examples · GitHub