Reference Hirofumi: https: //www.cnblogs.com/chenssy/p/3348520.html
2019-06-24 11:39:45
Mediation patterns: complex-many relationship between the processing object.
Mediation patterns member: abstract members, individual members, abstract intermediaries, specific mediator.
Membership: abstract contains references to intermediaries who carried out the operation to other objects through intermediaries.
Mediator: Mediator contains references to all members, by reference to these operating members.
Basic Code: reference Bowen.