stats:proc:signupgroup
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stats:proc:signupgroup [2011/09/29 16:24] Patrick Michel |
stats:proc:signupgroup [2013/07/10 12:34] |
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| - | ====== Sign-Up Group ====== | ||
| - | <code xcend> | ||
| - | signUpGroup(ident id, ident studentId, ident groupId) { | ||
| - | assume exists //exercises/exercise[id]/students/student[studentId]; # implies the existence of the exercise | ||
| - | assume exists //exercises/exercise[id]/groups/group[groupId]; # also implies it, but once is really enough | ||
| - | | ||
| - | assume not exists //exercises/exercise[id]/students/student[studentId]/group; | ||
| - | assume //exercises/exercise[id]/groups/group[groupId]/curSize < //exercises/exercise[id]/groups/group[groupId]/maxSize; | ||
| - | | ||
| - | insert //exercises/exercise[id]/students/student[studentId]/group groupId; | ||
| - | update //exercises/exercise[id]/groups/group[groupId]/curSize (//exercises/exercise[id]/groups/group[groupId]/curSize + 1); | ||
| - | } # roles: assistant[id], student[studentId] | ||
| - | </code> | ||
stats/proc/signupgroup.txt ยท Last modified: 2013/07/10 12:34 (external edit)
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