import org.bson.types.ObjectId
import org.litote.kmongo.KMongo
import org.litote.kmongo.findOne
import org.litote.kmongo.getCollection

data class ShipDetail(
        var _id: String? = null,
        var order_id: String? = null)

fun main(args: Array<String>) {
    val client = KMongo.createClient()
    val database = client.getDatabase("test")
    val collection = database.getCollection<ShipDetail>("ship_detail")
    collection.insertOne(ShipDetail(ObjectId().toHexString(),"order"))
    val r = collection.findOne()
    println(r)
}