Using a Singleton Entity

In some cases, an entity is meant to represent a unique instance or row in a table. This is typically the case for unique Key Performance Indicators. To show that only one instance/row should be considered, the single.row DOM tag should be used.

The following SolutionSummary entity will have only one instance/row:

entity SolutionSummary {
  // DOM [single.row] : [true]
  start Instant,
  end Instant,
  timespan Integer
}