When designing Core Data object graph, I spend copious amount of time thinking through each entity’s attributes and relationships. If I’m not careful, I can easily end-up with expansive graph containing many one-of leaf nodes. Analysing various graphs in the past, I noticed that many complex entities (even with dozen or so attributes) are really just a complex property of their 1-1 relationship pair. Say you have some Event object that has an elaborate set of configuration options. That c...
