Headline

A data model for flat companies

Description

Flat companies are sufficiently described by the base feature Feature:Company.

Motivation

The data model for flat companies is supposed to provide a simple (in fact, trivial) starting point for contributions. Despite its simplicity, the data model readily exercises some data modeling facets: basic types such as strings and floats, compound types based on tuples or records, mandatory as opposed to optional properties, and list-based containers.

Illustration

The feature is illustrated with a data model in Language:Haskell; type synonyms instead of algebraic data types are used to emphasize the fact that no recursive are defined here:

type Company = (Name, [Employee])
type Employee = (Name, Address, Salary)
type Name = String
type Address = String
type Salary = Float

A sample company takes the following form:

( "Acme Corporation",
  [ 
    ("Craig", "Redmond", 123456),
    ("Erik", "Utrecht", 12345),
    ("Ralf", "Koblenz", 12342),
    ("Ray", "Redmond", 234567),
    ("Klaus", "Boston", 23456),
    ("Karl", "Riga", 2345),
    ("Joe", "Wifi City", 2344)
 ] 
)

Company data is a pair consisting of the company name and a list of employees. Each employee has a name, an address, and a salary.

These snippet originate from Contribution:haskellList.

Relationships

Guidelines

  • The terms "company", "employee", "manager", "name", "address", and "salary" should appear as part of the abstractions that realize the corresponding ingredients of the data model.
  • A sample company should be described and processed in some ways, depending on what other features are implemented.

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