{
  "version": 1,
  "title": "Java · checkout ports and policies",
  "nodes": [
    {
      "id": "checkout",
      "label": "Checkout",
      "kind": "Servicio",
      "x": 80,
      "y": 260
    },
    {
      "id": "discount",
      "label": "Discount policy",
      "kind": "Librería / SDK",
      "x": 440,
      "y": 80
    },
    {
      "id": "port",
      "label": "OrderWriter port",
      "kind": "Librería / SDK",
      "x": 440,
      "y": 440
    },
    {
      "id": "adapter",
      "label": "InMemoryOrders",
      "kind": "Base de datos",
      "x": 860,
      "y": 440
    }
  ],
  "edges": [
    {
      "id": "e0",
      "from": "checkout",
      "to": "discount",
      "label": "apply"
    },
    {
      "id": "e1",
      "from": "checkout",
      "to": "port",
      "label": "save"
    },
    {
      "id": "e2",
      "from": "port",
      "to": "adapter",
      "label": "exercise adapter"
    }
  ]
}