TO DO - revise

public void addMember(Name aName, 
                      Address anAddress, 
                      Email anEmail, 
                      Organization anOrganization)

Given: The Name object aName, the Address object anAddress, the Email object anEmail and the Organization object organization35.

1. Check that no Member object with the supplied attributes exists (linked to any Schools or Organizations in the system)
   As the check suceeds:
2. A new Member object member6 is created with the supplied attributes
3. member6 is linked to organization35

If the Member already exists then throw an exception

private collection <School> school

References a collection of all linked School objects

private collection <Organization> organizations

References a collection of all linked Organization objects

public void addMember(Name aName, 
                      Address anAddress, 
                      Email anEmail, 
                      Organization anOrganization)

Postcondition: If a Member obect exists in the system with the supplied attributes an exception is thrown, otherwise a new Member object, aMember, is created with the supplied attributes. anOrganization records a reference to aMember

private Collection<Member> members

public Boolean hasMember(Name aName, Address anAddress, Email anEmail)

Postcondition: returns True if the receivers members contains a Member with the supplied attributes

private Collection<Member> members

public Boolean hasMember(Name aName, Address anAddress, Email anEmail)

Postcondition: returns True if the receivers members contains a Member with the supplied attributes

public Boolean addMember(aMember)

Postcondition: a reference to aMember is recorded.

None

Member(Name aName, Address anAddress, Email anEmail)

Post condition: a new Member object aMember is created. A reference to aMember is returned

isMemberOf from Organization to Member
worksAt from School to Member