Flowdock
method

add_autosave_association_callbacks

Importance_2
add_autosave_association_callbacks(reflection) private

Adds validation and save callbacks for the association as specified by the reflection.

For performance reasons, we don’t check whether to validate at runtime. However the validation and callback methods are lazy and those methods get created when they are invoked for the very first time. However, this can change, for instance, when using nested attributes, which is called after the association has been defined. Since we don’t want the callbacks to get defined multiple times, there are guards that check if the save or validation methods have already been defined before actually defining them.

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