In the Party section of the Enterprise Model, as presented in Chapter 4, there was no need to define Party Relationship Role. But if it had been included, it would have looked like the entity class by that name in Figure 20-10. It is a perfect super-type to show how Agreement Role fits into the Enterprise Model. The relationship between Party Relationship Role and various other entity classes (Party, Agreement, and Instrument Component) is a neat super-type for the relationships between Agreement Role and Party.

Figure 20-10: Banking and the Enterprise Model, Part Two

 

Similarly, the relationship between Party Relationship ...

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