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stats:proc:addparticipant [2011/09/29 00:26]
Patrick Michel
stats:proc:addparticipant [2013/07/10 12:34] (current)
Line 2: Line 2:
  
 <code xcend> <code xcend>
-addParticipant(ident id, ident studentId) { +addParticipant(ident uid, ident id, ident studentId) { 
-  assume exists //exams/exam[id]; # implicitly true in OO implementations +  assume exists /account[uid]/student && /​account[uid]/​student/​id = studentId && /​exam[id]/​free 
-  assume ​exists //accounts/​account/​student[studentId];+      || exists /​account[uid]/​examiner[id];​ 
 + 
 +  assume exists ​/exam[id]; # implicitly true in OO implementations 
 +  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];​ 
-# roles: examiner[id]+}
 </​code>​ </​code>​
  
  
stats/proc/addparticipant.1317248787.txt.gz · Last modified: 2011/09/29 00:26 by Patrick Michel