I feel stupid. I've looked over lots of documentation, I've tried Google
searches, I've searched on other sites like Stackoverflow, and I just don't
understand this.
I have a site that allows the user to access profiles of imaginary people
containing information like names and descriptions. I
Let's say you have a Profile entity with an id of 123. The easiest
way to retrieve it is to use DatastoreService.get(), not a query.
Construct a Key and pass that to get():
DatastoreService ds = DatastoreServiceFactory.getDatastoreService();
Key key = KeyFactory.createKey(Profile, 123L);
Entity