Hi Andres, Just define a variable outside and modify it in the anonymous class.
Andres Angel <ingenieroandresan...@gmail.com> 于2019年7月24日周三 下午8:44写道: > Hello everyone, > > I was wondering if there is a way how to read the content of a varible > build within a map/flatmap function out of the DS method. > > example: > > DataStream<String> dsString = env.fromElements("1,a,1.1|2,b,2.2,-2", > "3,c|4,d,4.4"); > DataStream<Object> dsTuple = dsString.flatMap(new > FlatMapFunction<String, Object>() { > @Override > public void flatMap(String value, Collector<Object> out) throws > Exception { > String var1 = "dummy"; > > } > }); > > System.out.print(var1); > > thanks so much >