How would you have a data class inheriting a sealed class and its variables without having to pass t...

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[John]

How would you have a data class inheriting a sealed class and its variables without having to pass them, something like

sealed class Source(
    @Json(name = "value")
    val value: String,
    @Json(name = "value2")
    val value2: Boolean
) {
    object Source1: Source
    object Source2: Source
}

[Mike]

Unfortunately you can't do it cleanly.

[John]

Which other way would you do it

[Shawn]

if you don’t want to pass them through the constructor, you can make them abstract vals in the parent class and implement them in the objects

[John]

I want to avoid declaring them in all the implementations

[John]

In my case I have 10 implementations (Sources)

[Shawn]

the constructor approach is probably the cleanest imo, and you’re going to have to set those values anyhow right?

[Shawn]

object Source1 : Source(
        value = "value",
        value2 = true
    )

    object Source2 : Source(
        value = "other_value",
        value2 = false
    )

[John]

No, they will be set by retrofit and the moshi adapter

[John]

@JsonClass(generateAdapter = true)
data class Response(
    @Json(name = "source1")
    val source1: Source?,
    @Json(name = "source2")
    val source2: Source?,
    @Json(name = "source3")
    val source3: Source,
    ...
)

[John]

Found a solution 👍

[John]

setting default values on the base Source ’s variables