{
  "version": 1,
  "title": "Event sourcing: four facts, one current value",
  "format": "custom",
  "canvasSize": [
    1200,
    720
  ],
  "watermark": true,
  "objects": [
    {
      "type": "text",
      "text": "Event sourcing: replay the facts",
      "x": 39,
      "y": 25,
      "fontSize": 43,
      "color": "#292d32",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "Workshop W-17 · one ordered stream · eight seats",
      "x": 41,
      "y": 91,
      "fontSize": 27,
      "color": "#58675f",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "APPEND-ONLY EVENT STREAM",
      "x": 41,
      "y": 169,
      "fontSize": 27,
      "color": "#285caa",
      "fontFamily": "sans"
    },
    {
      "type": "pen",
      "points": [
        [
          42,
          222
        ],
        [
          309,
          224
        ],
        [
          309,
          436
        ],
        [
          42,
          435
        ],
        [
          42,
          222
        ]
      ],
      "color": "#b8c9bf",
      "width": 3,
      "smooth": false
    },
    {
      "type": "pen",
      "points": [
        [
          324,
          222
        ],
        [
          591,
          224
        ],
        [
          591,
          436
        ],
        [
          324,
          435
        ],
        [
          324,
          222
        ]
      ],
      "color": "#b8c9bf",
      "width": 3,
      "smooth": false
    },
    {
      "type": "pen",
      "points": [
        [
          606,
          222
        ],
        [
          873,
          224
        ],
        [
          873,
          436
        ],
        [
          606,
          435
        ],
        [
          606,
          222
        ]
      ],
      "color": "#b8c9bf",
      "width": 3,
      "smooth": false
    },
    {
      "type": "pen",
      "points": [
        [
          888,
          222
        ],
        [
          1155,
          224
        ],
        [
          1155,
          436
        ],
        [
          888,
          435
        ],
        [
          888,
          222
        ]
      ],
      "color": "#b8c9bf",
      "width": 3,
      "smooth": false
    },
    {
      "type": "text",
      "text": "v1",
      "x": 59,
      "y": 246,
      "fontSize": 28,
      "color": "#285caa",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "Seats opened",
      "x": 59,
      "y": 296,
      "fontSize": 28,
      "color": "#292d32",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "8 seats",
      "x": 59,
      "y": 345,
      "fontSize": 26,
      "color": "#58675f",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "left 8",
      "x": 59,
      "y": 394,
      "fontSize": 31,
      "color": "#287355",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "v2",
      "x": 341,
      "y": 246,
      "fontSize": 28,
      "color": "#285caa",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "R1 reserved",
      "x": 341,
      "y": 296,
      "fontSize": 28,
      "color": "#292d32",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "2 seats",
      "x": 341,
      "y": 345,
      "fontSize": 26,
      "color": "#58675f",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "left 6",
      "x": 341,
      "y": 394,
      "fontSize": 31,
      "color": "#287355",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "v3",
      "x": 623,
      "y": 246,
      "fontSize": 28,
      "color": "#285caa",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "R1 cancelled",
      "x": 623,
      "y": 296,
      "fontSize": 28,
      "color": "#292d32",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "release 2",
      "x": 623,
      "y": 345,
      "fontSize": 26,
      "color": "#58675f",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "left 8",
      "x": 623,
      "y": 394,
      "fontSize": 31,
      "color": "#287355",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "v4",
      "x": 905,
      "y": 246,
      "fontSize": 28,
      "color": "#285caa",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "R2 reserved",
      "x": 905,
      "y": 296,
      "fontSize": 28,
      "color": "#292d32",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "3 seats",
      "x": 905,
      "y": 345,
      "fontSize": 26,
      "color": "#58675f",
      "fontFamily": "sans"
    },
    {
      "type": "text",
      "text": "left 5",
      "x": 905,
      "y": 394,
      "fontSize": 31,
      "color": "#287355",
      "fontFamily": "sans"
    },
    {
      "type": "arrow",
      "points": [
        [
          275,
          333
        ],
        [
          315,
          331
        ]
      ],
      "color": "#285caa",
      "width": 3,
      "smooth": false
    },
    {
      "type": "arrow",
      "points": [
        [
          557,
          333
        ],
        [
          597,
          331
        ]
      ],
      "color": "#285caa",
      "width": 3,
      "smooth": false
    },
    {
      "type": "arrow",
      "points": [
        [
          839,
          333
        ],
        [
          879,
          331
        ]
      ],
      "color": "#285caa",
      "width": 3,
      "smooth": false
    },
    {
      "type": "text",
      "text": "Replay v1–v4 → current read model: 5 seats available",
      "x": 42,
      "y": 503,
      "fontSize": 29,
      "color": "#292d32",
      "fontFamily": "sans"
    },
    {
      "type": "pen",
      "points": [
        [
          43,
          563
        ],
        [
          289,
          565
        ],
        [
          536,
          562
        ],
        [
          786,
          565
        ],
        [
          1154,
          563
        ]
      ],
      "color": "#b8c9bf",
      "width": 3,
      "smooth": false
    },
    {
      "type": "text",
      "text": "A cancellation adds a fact. It does not erase the earlier reservation.",
      "x": 42,
      "y": 590,
      "fontSize": 26,
      "color": "#58675f",
      "fontFamily": "sans"
    }
  ]
}