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stats:proc:addparticipant [2012/01/11 14:40] Patrick Michel |
stats:proc:addparticipant [2013/07/10 12:34] (current) |
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<code xcend> | <code xcend> | ||
addParticipant(ident uid, ident id, ident studentId) { | addParticipant(ident uid, ident id, ident studentId) { | ||
- | assume exists //accounts/account[uid]/student && //accounts/account[uid]/student/id = studentId && //exams/exam[id]/free | + | assume exists /account[uid]/student && /account[uid]/student/id = studentId && /exam[id]/free |
- | || exists //accounts/account[uid]/examiner[id]; | + | || exists /account[uid]/examiner[id]; |
- | assume exists //exams/exam[id]; # implicitly true in OO implementations | + | assume exists /exam[id]; # implicitly true in OO implementations |
- | assume exists //accounts/account/student[studentId]; | + | assume count (studentId, /account/student/id) = 1; |
| | ||
- | assume not exists //exams/exam[id]/results/participant[studentId]; | + | assume not exists /exam[id]/participant[studentId]; |
| | ||
- | insert //exams/exam[id]/results/participant[studentId]; | + | insert /exam[id]/participant[studentId]; |
} | } | ||
</code> | </code> | ||