> > a Source's may simply not be ready > a Source's *data* ... On Thursday, February 25, 2016 at 3:59:39 PM UTC+2, Tal Pressman wrote: > > I don't think there's a general way to achieve this - a Source's may > simply not be ready yet at any given point in time. > But for your use-case, can't you simply wait with the file creation until > you actually get data from the stream? > > Tal > > > > On Thursday, February 25, 2016 at 2:12:04 PM UTC+2, Kyrylo Stokoz wrote: >> >> Hi All, >> >> I would like to ensure that provided Source is not empty, is there any >> way to validate this? >> >> Use case: I have a function that accept source and connects it to file >> sink, if source is empty empty files get created, which i would like to >> avoid. >> >> Regards, >> Kyrylo >> >
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