jasongoodwin

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I hereby claim:

• I am jasongoodwin on github.
• I am jasongoodwin (https://keybase.io/jasongoodwin) on keybase.
• I have a public key ASCoW0mBFXZcqxjffgX-HYufPDj_SUIkQNclZlLEVbAUlAo

To claim this, I am signing this object:

jasongoodwin

echo hello world

jasongoodwin

theme: Fira, 3
# Domain Driven Design (DDD) with Elixir
- [email protected]
- (we're hiring)
---
# Intent
- give an introduction to DDD conceps
  - design
  - architecture
- *HEURISTICS*

jasongoodwin

theme: Sketchnote, 7
build-lists: false
slidenumbers: true
autoscale: true

---

# Functional Programming Paradigms In Elixir
- Objectives:
  - Understand functional programming a bit better

jasongoodwin

defmodule LoggingFake do
  @moduledoc """
  This server is a Fake.
  It will log the messages received.
  Helpful stub of a genserver.
  """
  use GenServer
  require Logger

  def handle_call(msg, _from, state) do

jasongoodwin

---

# Functional Programming Paradigms In Elixir
- Objectives:
  - Understand functional programming a bit better
  - Categorize and understand approaches
  - See which approaches fit which problems
  - Map concepts and approaches from Scala/Haskell to elixir

---

jasongoodwin

package contexts.cart.cluster;

import akka.actor.ActorRef;
import akka.actor.ActorSystem;
import akka.actor.CoordinatedShutdown;
import akka.actor.Props;
import akka.cluster.sharding.ClusterSharding;
import akka.cluster.sharding.ClusterShardingSettings;
import akka.cluster.sharding.ShardRegion;
import akka.event.Logging;

jasongoodwin

package contexts.cart.cluster;

import akka.actor.PoisonPill;
import akka.actor.ReceiveTimeout;
import akka.cluster.sharding.ShardRegion;
import akka.japi.pf.ReceiveBuilder;
import akka.persistence.AbstractPersistentActor;
import contexts.cart.api.CartItem;
import scala.PartialFunction;
import scala.concurrent.duration.Duration;

jasongoodwin

package com.akkademy

import akka.actor._
import akka.event.Logging
import akka.pattern.{CircuitBreaker, ask}
import akka.util.Timeout
import com.akkademy.sapi.{GetRequest, KeyNotFoundException, SetRequest}

import scala.collection.mutable.HashMap
import scala.concurrent.Await

jasongoodwin

import akka.actor._
import akka.actor.SupervisorStrategy._
import akka.routing.RoundRobinRouter

object Main {
  val system = ActorSystem("TestActorSystem")

  val escalator = OneForOneStrategy() {
    case e: ActorInitializationException ⇒
      println("Got exception during actor start: " + e)