ERXKey is in cayenne 4.0 and is called Property and the default templates create them for you. On Mon, Sep 14, 2015 at 3:42 PM Joseph Senecal <sene...@apple.com> wrote:
> > > > Can you give us a short summary of what features Wonder would bring to a > Cayenne developer? > > My favorite Project Wonder extension for EOF would be the automatically > generated ERXKeys. > > The Project Wonder template would generate a base class with all the > getters and setters for a class (business logic would be in the super > class). In addition to the getters and setters, these base classes included > fetch methods that returned a List of that class type instead of an untyped > list. Also they included an ERXKey for each field or relation in the class. > > ERXKeys could be used to easily generate qualifiers (Queries) or sort > orderings. These could easily be combined to generate more complex queries. > In addition, ERXKeys could be used to fetch a particular field out of every > record in a list of DB objects, returning a list of values. And since the > ERXKey was defined with the field type, the returned list was correctly > typed. > > Example: > List<Foobar> data = > Foobar.fetch(Foobar.FOO.eq(10).and(Foobar.BAR.eq(“NOW”))); > List<String> fieldData = Foobar.FOO_BAR.arrayValueInObject(data); > > Joe
