| // For every task |
| context Task { |
| |
| // Check that the start month is > 0 |
| constraint ValidStart { |
| check: self.start > 0 |
| message: "Start month must be positive" |
| } |
| |
| // Check that the duration is > 0 |
| constraint ValidDuration { |
| check: self.duration > 0 |
| message: "Duration must be positive" |
| } |
| |
| } |
| |
| // For every person |
| context Person { |
| |
| // Check that the person is involved |
| // in at least one task |
| critique IsInvolvedInATask { |
| check: Effort.all. |
| exists(e|e.person = self) |
| |
| message: self.name + |
| " is not involved in the project" |
| } |
| |
| } |
