/*
Criteria for nested domain objects:
Product hasMany Contributor has a Artist has a name
I want to find all products who have an artist with a name
There are other criteria as well, a Product hasMany Topic has a title - that part works
*/
String topic = "christmas,easter"
List topicList = topic.tokenize(",")
String n = "david,Anne,amy"
List nameList = n.tokenize(",")

def c = Product.createCriteria()
productInstanceList = c.list {
   or {
       topics {
            inList("title", topicList)
        }
       contributors {
           artist {
            inList("name", nameList)
           }
        }
    }
    and {
       eq("isActive", true)
    }
}
println productInstanceList

//exception
//org.hibernate.QueryException: could not resolve property: artist.name of: com.greenlabelmusic.Contributor