spring-driver removes null parameters in process graph

[clausmichele]

The process graph sent by the Web Editor is the following:

{
  "parameters": [],
  "process_graph": {
    "1": {
      "process_id": "load_collection",
      "arguments": {
        "temporal_extent": [
          "2000-02-25T23:59:00Z",
          "2020-11-11T23:59:00Z"
        ],
        "spatial_extent": {
          "east": 18.990556343370127,
          "south": 42.28250560234868,
          "north": 48.77837603135202,
          "west": 3.5446677656937715
        },
        "id": "ADO_NDVI_MODIS_231m_3035_ODC"
      },
      "result": true
    },
    "3": {
      "process_id": "save_result",
      "arguments": {
        "data": {
          "from_node": "4"
        },
        "format": "JSON"
      }
    },
    "4": {
      "process_id": "vector_to_random_points",
      "arguments": {
        "data": {
          "type": "FeatureCollection",
          "features": [
            {
              "type": "Feature",
              "geometry": {
                "type": "Polygon",
                "coordinates": [
                  [
                    [
                      11.268537191506006,
                      45.96896336761951
                    ],
                    [
                      10.963128662060829,
                      45.96896336761951
                    ],
                    [
                      10.963128662060829,
                      46.283354500871894
                    ],
                    [
                      11.268537191506006,
                      46.283354500871894
                    ],
                    [
                      11.268537191506006,
                      45.96896336761951
                    ]
                  ]
                ]
              },
              "properties": null
            },
            {
              "type": "Feature",
              "geometry": {
                "type": "Polygon",
                "coordinates": [
                  [
                    [
                      10.812016759290925,
                      46.0862169741777
                    ],
                    [
                      10.907763149872332,
                      46.0862169741777
                    ],
                    [
                      10.907763149872332,
                      46.2248348829299
                    ],
                    [
                      10.812016759290925,
                      46.2248348829299
                    ],
                    [
                      10.812016759290925,
                      46.0862169741777
                    ]
                  ]
                ]
              },
              "properties": null
            }
          ]
        },
        "total_count": 100,
        "geometry_count": null,
        "seed": 0
      }
    }
  }
}

but the back-end translates it into the Process class removing the "geometry_count": null

class Job {
    id: null
    title: null
    description: null
    process: class Process {
        id: null
        summary: null
        description: null
        categories: null
        parameters: [B@3fa618ef
        returns: null
        deprecated: false
        experimental: false
        exceptions: {}
        examples: null
        links: null
        processGraph: {
        "4": {
            "process_id": "vector_to_random_points",
            "arguments": {
                "data": {
                    "type": "FeatureCollection",
                    "features": [
                        {
                            "type": "Feature",
                            "geometry": {
                                "type": "Polygon",
                                "coordinates": [[
                                    [
                                        11.268537191506006,
                                        45.96896336761951
                                    ],
                                    [
                                        10.963128662060829,
                                        45.96896336761951
                                    ],
                                    [
                                        10.963128662060829,
                                        46.283354500871894
                                    ],
                                    [
                                        11.268537191506006,
                                        46.283354500871894
                                    ],
                                    [
                                        11.268537191506006,
                                        45.96896336761951
                                    ]
                                ]]
                            }
                        },
                        {
                            "type": "Feature",
                            "geometry": {
                                "type": "Polygon",
                                "coordinates": [[
                                    [
                                        10.812016759290925,
                                        46.0862169741777
                                    ],
                                    [
                                        10.907763149872332,
                                        46.0862169741777
                                    ],
                                    [
                                        10.907763149872332,
                                        46.2248348829299
                                    ],
                                    [
                                        10.812016759290925,
                                        46.2248348829299
                                    ],
                                    [
                                        10.812016759290925,
                                        46.0862169741777
                                    ]
                                ]]
                            }
                        }
                    ]
                },
                "seed": 0,
                "total_count": 100
            }
        },
        "1": {
            "result": true,
            "process_id": "load_collection",
            "arguments": {
                "spatial_extent": {
                    "west": 3.5446677656937715,
                    "east": 18.990556343370127,
                    "south": 42.28250560234868,
                    "north": 48.77837603135202
                },
                "temporal_extent": [
                    "2000-02-25T23:59:00Z",
                    "2020-11-11T23:59:00Z"
                ],
                "id": "ADO_NDVI_MODIS_231m_3035_ODC"
            }
        },
        "3": {
            "process_id": "save_result",
            "arguments": {
                "data": {"from_node": "4"},
                "format": "JSON"
            }
        }
    }
    }
    status: created
    progress: 0
    created: null
    updated: null
    plan: null
    costs: null
    budget: null
}

the default value for geometry_count is 1, so when this process graph is sent to the ODC engine, geometry_count becomes = 1. We need to keep all the parameters set to null as they are