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Model relationships

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axyjo edited this page Jul 7, 2011 · 1 revision

##Empire

Has_many >>

Generals (Players)
Armies
Units (Military and non-military)
Provinces
Cities
Coordinates?

##Generals (Players)

Has_one >>

Empire

Has_many >>

Armies
Units

##Provinces

Has_one >>

Empire
Cities

Has_many >>

Coordinates

##Generalization

If A Has_many B, then B Has_one A.