mchlstckl

// This will not serialize!
data class Muppet(val name: String)

// This will serialize!
data class Puppet(val name: String = "")

// Composite key class must implement Serializable
// and have defaults.
class PropertyId(
        val uuid: UUID = UUID.randomUUID(),

mchlstckl

import org.slf4j.Logger
import org.slf4j.LoggerFactory
import kotlin.reflect.KClass

// Based on answer by Jayson Minard on Stack Oveflow question
// "Idiomatic logging for Kotlin"
// See: http://stackoverflow.com/questions/34416869

// Return logger for Java class, if companion object fix the name
public fun <T : Any> logger(forClass: Class<T>): Logger {

mchlstckl

//...elided code...//
@HystrixCommand(/* ...some very advanced hystrix configurations here... */)
open fun fetchUser(email: String): Observable<User> {
    // MUST return ObservableResult when using @HystrixCommand and Observable<T>
    // See: https://github.com/Netflix/Hystrix/issues/729
    return object : ObservableResult<User>() {
        override fun invoke() = client.fetchUser(email)
    }
}

mchlstckl

//...elided package, class and imports...//
@RequestMapping("/profiles", method = arrayOf(RequestMethod.GET))
fun getUserByEmail(
        @RequestParam(value = "email") email: String,
): DeferredResult<ResponseEntity<Profile>> {

    val result = DeferredResult<ResponseEntity<Profile>>()
    val uriBuilder = ServletUriComponentsBuilder
            .fromCurrentRequest()
            .path("/{uuid}")

mchlstckl

// ...elided package and imports... //
import com.example.profileservice.logging.logger

@RestController
class ProfileController @Autowired constructor(
        val profileRepository: ProfileRepository
) {
    // This is how you create a logger
    val log = logger()

mchlstckl

group 'com.example.profile'
version '1.0-SNAPSHOT'

buildscript {

    ext.kotlin_version = '1.0.0-beta-3595'
    ext.spring_boot_version = '1.3.1.RELEASE'
    ext.spring_dmp_version = '0.5.2.RELEASE'
    ext.spring_cloud_netflix_version = '1.0.4.RELEASE'
    ext.rx_kotlin_version = '0.30.1'