Unfortunately, this also doesn't work for the same reasons. The generic types of generic parameters of a lambda are not stored anywhere. Stephan mentioned to me that the only possibility right now would be to look at the code using something like ASM to find a cast in the code to the concrete type of the generic parameter.
On Tue, 18 Aug 2015 at 11:35 Kristoffer Sjögren <sto...@gmail.com> wrote: > How about https://github.com/jhalterman/typetools? > > On Tue, Aug 18, 2015 at 11:16 AM, Aljoscha Krettek <aljos...@apache.org> > wrote: > > Hi Kristoffer, > > I'm afraid not, but maybe Timo has some further information. In this > > extended example we can see the problem: > > https://gist.github.com/aljoscha/84cc363d13cf1dfe9364. The output is: > > > > Type is: class org.apache.flink.examples.java8.wordcount.TypeTest$Thing > > class org.apache.flink.examples.java8.wordcount.TypeTest$Thing > > Type is: class org.apache.flink.examples.java8.wordcount.TypeTest$Thing > > class org.apache.flink.examples.java8.wordcount.TypeTest$Thing > > Type is : > > org.apache.flink.examples.java8.wordcount.TypeTest.org > .apache.flink.examples.java8.wordcount.TypeTest$Thing<java.lang.String> > > class org.apache.flink.examples.java8.wordcount.TypeTest$Thing > > > > So with the two lambda calls it does not correctly determine the generic > > parameter of Thing while it works with the anonymous class. > > > > I was exited when I saw the example because we've been trying for so > long to > > get this to work. Maybe we have to wait for java 19 to get this to work. > ;-) > > > > Thanks a lot for helping, though. :D > > Aljoscha > > > > On Tue, 18 Aug 2015 at 11:01 Kristoffer Sjögren <sto...@gmail.com> > wrote: > >> > >> Hi > >> > >> Potential fix for writing flink jobs using lamdas without Eclipse JDT? > >> > >> https://gist.github.com/aslakhellesoy/3678beba60c109eacbe5 > >> > >> Cheers, > >> -Kristoffer >
