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--- stats:schema:group [2011/09/28 20:14] – created Patrick Michel
+++ stats:schema:group [2013/07/10 12:47] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
 ====== Exercise Groups ======
-This page describes a minor part of the [[:stats:start]] [[:stats:schema]], namely the exercise groups.
+This page describes a minor part of the [[:stats:start]] [[:stats:schema]], namely the exercise groups. It is a part of [[exercise]].
 ===== Schema =====
 <code xcend>
-      element groups {
+    element group * id {        [ count(./id, ..exercise/student/group) <= ./maxSize ]
-        element group * id {        [ count(./id, ..exercise/students/student/group) < ./maxSize ]
+      attribute day             { "Monday" | "Tuesday" | "Wednesday" | "Thursday" | "Friday" | "Saturday" | "Sunday" }
-          attribute day             { "Monday" | "Tuesday" | "Wednesday" | "Thursday" | "Friday" | "Saturday" | "Sunday" }
+      attribute time            { string }
-          attribute time            { string }
+      attribute location        { string }
-          attribute location        { string }
+      attribute curSize         { integer [ . = count(../id, ..exercise/student/group) ]}
-          attribute maxSize         { integer [ . >= 0 ]}
+      attribute maxSize         { integer [ . >= 0 ]}
-          element tutor * account   {[ exists //accounts/account[./account] ]}
+      element tutor * account   {[ exists /account[./account]/tutor[..exercise/id]/group[..group/id] ]}
-        }
+    }
-      }
 </code>
@@ Line 23: / Line 22: @@
 {{page>stats:proc:changeAttributes (Group)&noheader&nofooter}}
+==== Tutor Management ====
+The procedures for tutor management can be directly taken from the [[account]] section. In an OO setting this placement of the method in the ''Group'' class takes the least number of explicit parameters, as the exercise and group ids are implicit.
+{{page>stats:proc:grantTutorRights&noheader&nofooter}}
+{{page>stats:proc:revokeTutorRights&noheader&nofooter}}
+==== Member Management ====
+Another example of another association of procedures; The sign up and out procedures for students from the [[exercise]] section could also be offered on groups, as they have the necessary parameters (It is not currently realized like this in the implementation).
+{{page>stats:proc:signUpGroup&noheader&nofooter}}
+{{page>stats:proc:signOutGroup&noheader&nofooter}}