VisualBasic examples

Simple model

A simple model with some scalar properties.

{
  "definitions": {
    "Student": {
      "description": "A simple student struct",
      "type": "struct",
      "properties": {
        "firstName": {
          "type": "string"
        },
        "lastName": {
          "type": "string"
        },
        "age": {
          "type": "integer"
        }
      }
    }
  },
  "root": "Student"
}

Student.vb

Imports System.Text.Json.Serialization

' A simple student struct
Public Class Student
    <JsonPropertyName("firstName")>
    Public Property FirstName As String

    <JsonPropertyName("lastName")>
    Public Property LastName As String

    <JsonPropertyName("age")>
    Public Property Age As Integer

End Class

Model with inheritance

A student struct which extends from a different struct.

{
  "definitions": {
    "Human": {
      "type": "struct",
      "properties": {
        "firstName": {
          "type": "string"
        },
        "lastName": {
          "type": "string"
        },
        "age": {
          "type": "integer"
        }
      }
    },
    "Student": {
      "parent": {
        "type": "reference",
        "target": "Human"
      },
      "type": "struct",
      "properties": {
        "studentId": {
          "type": "string"
        }
      }
    }
  },
  "root": "Student"
}

Human.vb

Imports System.Text.Json.Serialization

Public Class Human
    <JsonPropertyName("firstName")>
    Public Property FirstName As String

    <JsonPropertyName("lastName")>
    Public Property LastName As String

    <JsonPropertyName("age")>
    Public Property Age As Integer

End Class

Student.vb

Imports System.Text.Json.Serialization

Public Class Student
    Inherits Human
    <JsonPropertyName("studentId")>
    Public Property StudentId As String

End Class

Model with reference

A student struct which reference a faculty struct.

{
  "definitions": {
    "Student": {
      "description": "A student struct with an assigned faculty",
      "type": "struct",
      "properties": {
        "firstName": {
          "type": "string"
        },
        "lastName": {
          "type": "string"
        },
        "age": {
          "type": "integer"
        },
        "faculty": {
          "type": "reference",
          "target": "Faculty"
        }
      }
    },
    "Faculty": {
      "type": "struct",
      "properties": {
        "name": {
          "type": "string"
        }
      }
    }
  },
  "root": "Student"
}

Student.vb

Imports System.Text.Json.Serialization

' A student struct with an assigned faculty
Public Class Student
    <JsonPropertyName("firstName")>
    Public Property FirstName As String

    <JsonPropertyName("lastName")>
    Public Property LastName As String

    <JsonPropertyName("age")>
    Public Property Age As Integer

    <JsonPropertyName("faculty")>
    Public Property Faculty As Faculty

End Class

Faculty.vb

Imports System.Text.Json.Serialization

Public Class Faculty
    <JsonPropertyName("name")>
    Public Property Name As String

End Class

Map with string values

A student struct which contains a map with arbitrary string values.

{
  "definitions": {
    "Student": {
      "type": "struct",
      "properties": {
        "firstName": {
          "type": "string"
        },
        "lastName": {
          "type": "string"
        },
        "age": {
          "type": "integer"
        },
        "properties": {
          "type": "map",
          "schema": {
            "type": "string"
          }
        }
      }
    }
  },
  "root": "Student"
}

Student.vb

Imports System.Text.Json.Serialization

Public Class Student
    <JsonPropertyName("firstName")>
    Public Property FirstName As String

    <JsonPropertyName("lastName")>
    Public Property LastName As String

    <JsonPropertyName("age")>
    Public Property Age As Integer

    <JsonPropertyName("properties")>
    Public Property Properties As Dictionary(Of String, String)

End Class

Model with discriminator

A struct which uses a discriminator mapping.

{
  "definitions": {
    "Human": {
      "type": "struct",
      "properties": {
        "firstName": {
          "type": "string"
        },
        "lastName": {
          "type": "string"
        },
        "location": {
          "type": "reference",
          "target": "Location"
        }
      }
    },
    "Location": {
      "type": "struct",
      "base": true,
      "properties": {
        "type": {
          "type": "string"
        }
      },
      "discriminator": "type",
      "mapping": {
        "Web": "web",
        "World": "world"
      }
    },
    "Web": {
      "parent": {
        "type": "reference",
        "target": "Location"
      },
      "type": "struct",
      "properties": {
        "url": {
          "type": "string"
        }
      }
    },
    "World": {
      "parent": {
        "type": "reference",
        "target": "Location"
      },
      "type": "struct",
      "properties": {
        "lat": {
          "type": "string"
        },
        "long": {
          "type": "string"
        }
      }
    }
  },
  "root": "Human"
}

Human.vb

Imports System.Text.Json.Serialization

Public Class Human
    <JsonPropertyName("firstName")>
    Public Property FirstName As String

    <JsonPropertyName("lastName")>
    Public Property LastName As String

    <JsonPropertyName("location")>
    Public Property Location As Location

End Class

Location.vb

Imports System.Text.Json.Serialization

Public Class Location
    <JsonPropertyName("type")>
    Public Property Type As String

End Class

Web.vb

Imports System.Text.Json.Serialization

Public Class Web
    Inherits Location
    <JsonPropertyName("url")>
    Public Property Url As String

End Class

World.vb

Imports System.Text.Json.Serialization

Public Class World
    Inherits Location
    <JsonPropertyName("lat")>
    Public Property Lat As String

    <JsonPropertyName("long")>
    Public Property _Long As String

End Class

Model with generics

A struct which uses generics.

{
  "definitions": {
    "Student": {
      "type": "struct",
      "properties": {
        "matricleNumber": {
          "type": "integer"
        }
      }
    },
    "StudentMap": {
      "type": "struct",
      "parent": {
        "type": "reference",
        "target": "Map",
        "template": {
          "T": "Student"
        }
      }
    },
    "Map": {
      "type": "struct",
      "properties": {
        "totalResults": {
          "type": "integer"
        },
        "entries": {
          "type": "array",
          "schema": {
            "type": "generic",
            "name": "T"
          }
        }
      }
    }
  },
  "root": "StudentMap"
}

Student.vb

Imports System.Text.Json.Serialization

Public Class Student
    <JsonPropertyName("matricleNumber")>
    Public Property MatricleNumber As Integer

End Class

Map.vb

Imports System.Text.Json.Serialization

Public Class Map(Of T)
    <JsonPropertyName("totalResults")>
    Public Property TotalResults As Integer

    <JsonPropertyName("entries")>
    Public Property Entries As T()

End Class

StudentMap.vb

Imports System.Text.Json.Serialization

Public Class StudentMap
    Inherits Map(Of Student)
End Class

Import other TypeSchema specification

A struct which references an external TypeSchema.

{
  "import": {
    "my_ns": "file:///generic.json"
  },
  "definitions": {
    "Faculty": {
      "type": "struct",
      "properties": {
        "description": {
          "type": "string"
        },
        "students": {
          "type": "array",
          "schema": {
            "type": "reference",
            "target": "my_ns:StudentMap"
          }
        }
      }
    }
  },
  "root": "Faculty"
}

Faculty.vb

Imports System.Text.Json.Serialization

Public Class Faculty
    <JsonPropertyName("description")>
    Public Property Description As String

    <JsonPropertyName("students")>
    Public Property Students As StudentMap()

End Class

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