toStruct extension example

extension.kt

// extension on model from 3rd party library
fun ArtistModel.toStruct() : Struct = Struct(Artist.SCHEMA)
        .put(BaseSchema.HREF_FIELD, this.href)
        .put(BaseSchema.ID_FIELD, this.id)
        .put(BaseSchema.NAME_FIELD, this.name)

// example when creating list of SourceRecords from result set
val results: List<ArtistModel> = client.getResults()
results.map {
  SourceRecord(partition, offset, topic, keySchema, it.id, valueSchema, it.toStruct())
}