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Smart message types have a pre-defined template body that cannot be changed. These messages are the results of the Nwave Parking Analytics system. They support the following features:

Automatic parking session correction and parking session integrity in the event of message loss
Occupancy event deduplication in the event of two occupancies (unmarked bays only)
Filtering of extremely short parking sessions (unmarked bays only)
Advanced handling of unmarked bay occupanciesAutomatic parking session correction in the event of message loss
Easy transition to RabbitMQ protocols (RTA & Parking Sessions) due to identical structure

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Message Type

Example Request Body

Group Availability

RabbitMQ version

Code Block

language	json

{
   "timestamp": "2021-01-01T00:00:00.000000+00:00",
   "group_id": 1,
   "project_id": 1,
   "group_custom_id": "Group Custom ID",
   "level_id": null,
   "floor_number": null,
   "positions_availability":[
      {
         "position":{
            "id": 1,
            "network_id":"00000000-0000-0000-0000-000000000001",
            "custom_id": "Custom ID 1",
            "group_inner_id": 1,
            "lat": 52.406063006389,
            "lon": -1.5157277658969
         },
         "occupation_status":"occupied"
      },
      {
         "position":{
            "id": 2,
            "network_id":"00000000-0000-0000-0000-000000000002",
            "custom_id": "Custom ID 2",
            "group_inner_id": 2,
            "lat": 52.406022747069,
            "lon": -1.5157359155385
         },
         "occupation_status":"occupied"
      },
      {
         "position":{
            "id": 3,
            "network_id":"00000000-0000-0000-0000-000000000003",
            "custom_id": "Custom ID 3",
            "group_inner_id": 3,
            "lat": 52.406101689254,
            "lon": -1.515721405201
         },
         "occupation_status":"n/a"
      }
   ],
   "summary":{
      "total": 3,
      "occupied": 2,
      "available": 0,
      "undefined": 1
   }
}

Parking Session

RabbitMQ version

Code Block

language	json

{
   "parking_session_uuid": "d8f7d4b3-a26c-4921-a488-489de273bcf6",
   "involved_devices":[
      {
         "device_id": "100AA",
         "hardware_type": "Sparkit Surface V3.9",
         "position":{
            "network_id":"00000000-0000-0000-0000-0000000100aa",
            "custom_id": null,
            "latitude": 52.40602,
            "longitude": -1.5157359,
            "group":{
               "id": 1,
               "type": "marked_spaces",
               "name": "Group Name 1",
               "custom_id": "Group Custom ID",
               "zone_id": 1,
               "level_id": null,
               "floor_number": null,
               "zone":{
                  "id": 1,
                  "project_id": 1
               }
            },
            "group_inner_id":1
         }
      }
   ],
   "correction_counter": 0,
   "session_start":{
      "event_time":"2021-01-01T00:00:00.000000+00:00",
      "delta_time_sec": 0,
      "message_trace_ids":[
         "d8cd1146-21f7-3906-21e4-8f55534f6573"
      ]
   },
   "session_end": {
      "event_time": "2021-01-01T01:00:00.000000+00:00",
      "delta_time_sec": 0,
      "message_trace_ids": [
          "71bfb22e-3569-d7c1-26fd-a2a0d0febb7a"
      ],
    }
}

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Versions Compared

Old Version 5

New Version 6

Key

Group Availability

Parking Session