DDD and OO seem to be more art than science, in the sense that figuring out where to place an objects behavior is an exercise in futility. Whose to say whether the behavior of an application should reside in an entity class, a manager class, a service, or a transaction script? DCI seems to be a way out of this labyrinth.
Read:
http://exvalle.blogspot.com/2012/03/more-notes-on-dci.html
read the forums https://groups.google.com/forum/#!forum/object-composition
see whether it's appropriate to embrace the so called anemic domain model as represented by DCI
Learn: Qi4j "to make the intellectual breakthrough" - per James O. Coplien
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