uc 20 v2 - yshehab/SchoolRoomBooking GitHub Wiki

20. Add an existing member to an existing school. Version 2

TO DO - revise

Coordinating method

public void addMemberToSchool(Member aMember, School aSchool)

Object diagram for a typical scenario.

Walk-through for this scenario

Given: The Member object, member34 and the School object school3

  1. Check if member34 is linked to school3.
    As member34 is not linked to school3:
  2. school3 records a reference to member34

Sequence diagram for this scenario

Notes on alternative scenario

If Member is already a member of the school, do nothing

Updates to implementation model

Classes

Class School

Links
Collection<Member> members
Methods
void addMember(Member aMember)

Class LettingCoord

Links

None

Methods
public void addMemberToSchool(Member aMember, School aSchool)

Navigations

worksAt from School to Member

Discussion

This scenario may change if it is decided that StaffMember be a sub-class of Member, in which case a check would need to be made that aMember is an instance of StaffMember. An exception would need to be thrown in this case.

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