#initialize does not get called upon loading from find
Reported by Bobby Calderwood | July 26th, 2008 @ 07:31 PM
class Model
include DataMapper::Resource
property :id, Integer, :serial => true
attr_accessor :bar
def initialize
@bar = "baz"
end
end
foo = Model.new
foo.bar #=> "baz"
foo.save
foo = Model.first
foo.bar #=> nil
Why is Model#initialize not called when the model is instantiated from a find? That was surprising to me.
Comments and changes to this ticket
-
Dan Kubb (dkubb) December 1st, 2008 @ 01:56 AM
- State changed from “new” to “invalid”
- Assigned user cleared.
When loading an object from a persisted state we use Model.allocate to get an instance, and then set the ivars in the object using the values that were retrieved.
It's by design that we bypass #initialize. Perhaps if a good case could be made, we'd consider using #initialize, although currently there are no plans to do so.
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Peter