faster deep copies?
faster deep copies?
- Subject: faster deep copies?
- From: James Maxwell <email@hidden>
- Date: Wed, 13 Feb 2013 18:07:24 -0800
I've run into a situation where I really need a deep copy of an object. I've implemented this using Apple's recommended approach with NSKeyedArchiver/Unarchiver, and it's nice, simple, and functional. But it's also pretty darn slow -- as in a clear, subjectively apparent performance hit.
Has anybody had to find a way around this, and if so, what did you do? Or if anybody just has a nice, creative thought about another way of doing it, I'd love to hear about it.
The object(s) being copied are custom classes, and there's a chance I may be able to get away with copying only certain properties (i.e., rather than archiving the entire graph from the root object), so I'll look into making a "deepCopy" method that's more selective. But I'd appreciate any thoughts in the meantime.
Thanks in advance.
J.
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