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Design Pattern

Hi All,

I'm wanting to implement a global singular object and I'm wondering if this is the best way to do it? I haven't used the + thing and I'm not sure if this has any benefit over just calling [[NSApp delegate] sharedStatus] directly.

+( UWApplicationStatus *)sharedStatus;
{
	if( [[NSApp delegate] sharedStatus] == nil )
	{
		UWApplicationStatus *holdMe;
		holdMe = [[UWApplicationStatus alloc] init];
		[[NSApp delegate] setSharedStatus:holdMe];
	}
	return [[NSApp delegate] sharedStatus];
}

Cheers
Kevin
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