bytekast

@Grab(group='org.codehaus.gpars', module='gpars', version='1.2.1')
import static groovyx.gpars.GParsPool.withPool

withPool(100) {
    (1..2000).eachParallel { i ->
    	def beginTime = System.currentTimeMillis()
        def result = 'https://xxxxx.execute-api.us-east-1.amazonaws.com/dev/users'.toURL().text
       	println "${i}: ${System.currentTimeMillis() - beginTime}"
    }
}

bytekast

@Builder
@ToString(includePackage = false)
@CompileStatic
class Response {
  int statusCode
  String body
  private Map<String, String> headers = [:]

  void addHeader(String key, String value) {
    headers.put(key, value)

bytekast

import com.amazonaws.services.lambda.runtime.Context
import groovy.transform.ToString

@ToString(includePackage = false)
class Request {
  private final Map input
  private final Context context

  Request(final Map input, final Context context) {
    this.input = input

bytekast

@Component
@Log4j
@CompileStatic
class GetUsers implements Handler {

  @Autowired
  private UserRepository userRepository

  @Override
  boolean route(final Request request) {

bytekast

@Component
@Log4j
@CompileStatic
class FindUsersByLastName implements Handler {

  @Autowired
  private UserRepository userRepository

  @Override
  boolean route(final Request request) {

bytekast

@Component
@Log4j
@CompileStatic
class CreateUser implements Handler {

  @Autowired
  private UserRepository userRepository

  @Override
  boolean route(Request request) {

bytekast

interface Handler {
  boolean route(Request request)
  Response respond(Request request)
}

bytekast

import com.serverless.persistence.entities.User
import org.springframework.data.repository.CrudRepository

interface UserRepository extends CrudRepository<User, Long> {

  List<User> findByLastName(String lastName)
}

bytekast

@Entity
@ToString
@CompileStatic
class User {

  @Id
  @GeneratedValue(strategy = GenerationType.AUTO)
  Long id
  String firstName
  String lastName

bytekast

@Component
@CompileStatic
@Log4j
class DispatcherService {

  @Autowired
  List<Handler> handlers

  Response dispatch(Request request) {
    log.info("request: ${request}")