ResourceProcessor supports Streams now and adds a map(…) step to apply projections.
Also, the ProjectingConverter falls back to use a default ConversionService instance to make use of the object mapping functionality implemented in ObjectToObjectConverter, i.e. the ability to just map an object returned from the store to a DTO in case that latter exposes a constructor or factory methods taking the source instance as parameter.
Related tickets: DATAJPA-903.