format: typebridge.schema/v2

attributes:
  identifier:
    abstract: true
    value:
      type: string
      regex: '^[A-Z][A-Z0-9-]*$'

  employee-id:
    sub: identifier
    doc: Stable employee identifier.

  display-name:
    value: string

  audit-note:
    independent: true
    value: string

entities:
  person:
    owns:
      employee-id: {key: true}
      display-name: {card: 1}

  company:
    owns: [display-name]

  automated-agent: {}

  temporary-worker: {}

  father:
    sub:
      type: person
      doc: A person specialization used by fathership.

relations:
  employment:
    doc: Binds an employee to an employer.
    meta:
      domain: hr
    owns:
      audit-note:
        card: {min: 0, max: 3}
    relates:
      employee: {card: 1}
      employer: {card: 1}

  parentship:
    abstract: true
    relates: [parent, child]

  fathership:
    sub: parentship
    relates:
      father: {as: parent}

plays:
  person:
    employment:
      employee:
        card: {min: 0, max: 1}
    parentship: [parent, child]

  company:
    employment: [employer]

  automated-agent:
    employment: [employee, employer]

  temporary-worker:
    employment: [employee]

  father:
    fathership: [father]