At a project I'm working on we're trying some things with Query By
Example.
Let's say we have Cats. A cat has properties like Birthdate, Color,
Sex, Name. If I want to get all black cats it's easy:
Cat cat = new Cat();
cat.Color = Color.Black;
List results = session.CreateCriteria(typeof(Cat))
.Add( Example.Create(cat) )
.List();
But the next step is to get all cats which are born between 01/01/2001
and 01/01/2004. Now I can't easily say:
cat.Birthdate = 01/01/2001;
How can I set a 'between' value? What is the best practice for this;
should I send a second and third parameter to my repository which has
start- and enddate?
And what if I cannot set a property directly but only through a
method? Like if i set the PassedAwayDate, my object automatically
fills the Remarks property with some text. But I don't want to get all
cats with that remark, I want to get all cats that are passed away.
How do you guys handle situations where some properties are set that
you don't want to include in the search?
Thanks!
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