@startuml
entity PolicyEntity {
  + policyId: Long
  - employeeId: int
  - sku: String
  - quantity: int
  - date: Date
}

entity InventoryEntity {
  + sku: String
  - name: String
  - quantity: int
}

entity EmployeeEntity {
  + employeeId: Long
  - name: String
  - lastName: String
  - position: String
}

PolicyEntity --|> InventoryEntity: inventory
PolicyEntity --|> EmployeeEntity: employee
@enduml
