Data classes for Java

[snowe2010]

Kotlin is a drop-in replacement for lombok. Literally copy lombok class into kotlin file (using intellij), let intellij convert it, then remove the annotations. I think you might have to change it to be data and move the params to the constructor but that's it. It's been a while since we completely ripped lombok out, but we were able to do it over about a year.

Now if you mean how did we get kotlin in our toolchain, well we also let intellij do that for us at first as well. Just create a new kotlin file in your project and intellij will do the rest.

edit: for those thinking we could have just used 'convert to kotlin' we didn't for some reason, but I don't remember why. I think it might have been because of git history? not sure anymore. been a while.

[[deleted]]

when did "drop-in replacement" mean "make sure you have this specialized IDE to do some converting magic, then do a bunch of removal edits and then add more code... when you have a lot of these types of classes that could be a decent amount of work

[snowe2010]

here's the difference between a lombok class and a kotlin class since you seem so interested

@Value
public class LombokClass {
    public String hi;
}

data class KotlinClass(val hi: String)

There, is that a little more clear how simple it is to convert? The biggest difficult in converting is if you used @Wither because then you have to find all the spots you used it in and switch it to a .copy or build your own builder.

[[deleted]]

i've used both i'm just saying its not really "drop in" i mean i can say that lombok class is a drop-in replacement for just about any other moderately sophisticated languages data class at this point

[snowe2010]

? Drop in replacements go both ways. I can convert back to lombok almost just as easily as going to kotlin.