Receptacles - I
A Use relation between two objects can be realized by using connection operation where a reference of one object is passed to its user
The user gets service from the object. This relationship is expressed with Receptacle concept.
Receptacle description is given in CIDL definition as well as the number of object references, 1:1 or 1:N. The description also contains the interface type of the connectable objects. This definitions produces connect_XX(), disconnect_XX(), and get_connections_XX() methods.