On Mar 11, 2008, at 6:11 PM, Quincey Morris wrote:
Moreover, a problem with using the "factory method approach" is
that they return autoreleased objects.
If you have a particular need to be concerned about performance (as
you might especially in a resource-constrained environment), it is
generally a Good Thing to avoid autorelease and instead use alloc/
release directly.
There's no reason why it can't be named "create..." and return a
retained object, if that's what's needed in any given situation.
Following standard Cocoa conventions (<http://developer.apple.com/documentation/Cocoa/Conceptual/MemoryMgmt/Tasks/MemoryManagementRules.html
>), the name would be "new..." (and this is a pattern used in some
recent code samples).
But the example you gave, and the most common case in the current
frameworks, is to return an autoreleased object, and it's worth
bringing this issue to others' attention.
mmalc
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