Re: Value Transformer Name
Re: Value Transformer Name
- Subject: Re: Value Transformer Name
- From: Richard Somers <email@hidden>
- Date: Fri, 10 Apr 2009 12:27:47 -0600
On Apr 10, 2009, at 11:54AM, Quincey Morris wrote:
Core Data runs a custom transformer in the forward direction, but it
runs the default transformer in the reverse direction.
The documentation states "Core Data uses an instance of
NSValueTransformer to convert the attribute to and from an instance of
NSData. By default, Core Data uses the
NSKeyedUnarchiveFromDataTransformerName transformer."
So a single instance of NSValueTransformer is used in both directions
and the default is an instance of
NSKeyedUnarchiveFromDataTransformerName transformer.
You could be right but the documentation explicitly states otherwise.
Richard
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