as an example how would I build this ```message DateRange Th kotlinlang #grpc

06/27/2022, 9:05 PM

as an example how would I build this?

message DateRange {
  // The beginning of the date range
  google.type.Date from = 1 [(validate.rules).message.required = true];

  // The end of the date range
  google.type.Date until = 2 [(validate.rules).message.required = true];
}

The generated class isn't particularly helpful:

06/27/2022, 9:24 PM

by default, you would use

grpc-java

way of using builders

DateRange.newBuilder()
  // set your fields using their builders
  .build()

if you use the

grpc-kotlin

then you should be able to use the generated DSL which should be something among the lines

dateRange {
  from = ...
  unti = ...
}

06/27/2022, 9:29 PM

Thanks, the second one seems to be the right path, but now I have to figure out how to create a

com.google.type.Date

; doesn't seem to use the DSL syntax and none of the constructors appear to be the right approach, but maybe I'm missing one

Wait I think I have it:

val dateRange = dateRange {
            from = newBuilder().setDay(7).setMonth(7).setYear(2022).build()
            until = newBuilder().setDay(12).setMonth(7).setYear(2022).build()
        }

I guess what I don't get it when I'm supposed to be using the DSL syntax like

dateRange { ... }

instead of the other builder syntax

06/27/2022, 9:32 PM

I'd imagine you should also have

date {
  day = 7
  month = 7
  year = 2022
}

*unless google protos are treated in some custom special way

06/27/2022, 9:33 PM

yeah that doesn't seem to work, unfortunately

Marc Plano-Lesay

06/28/2022, 5:40 AM

I suspect this comes down to your build system and how Google's protos are built by it

You'll need to run the Kotlin proto compiler on them to get those DSL "factories"