I have this code:
NSMethodSignature *ms = [ self methodSignatureForSelector:
@selector(someMethod:) ];
NSInvocation *inv = [NSInvocation invocationWithMethodSignature: ms ];
[ inv retainArguments ];
[ inv setSelector: @selector(someMethod:) ];
[ inv setTarget: self ];
[ inv setArgument: &a atIndex: 2 ];
NSInvocationOperation *ivo = [ [ NSInvocationOperation alloc ]
initWithInvocation: inv ];
[ self.operationQueue addOperation: ivo ];
Works fine. But the documentation says: "An operation object is responsible for
calling [isCanceled] periodically and stopping itself if the method returns
YES."
But how do I check for "isCanceled" from within someMethod: ?
Is there something like: +[ NSOperation theOperationThisCodeIsRunningIn ]?
I tried (inside of someMethod:):
NSThread *currentThread = [ NSThread currentThread ];
if ( [ currentThread isCancelled ] ) NSLog(@"%s Cancelled",__FUNCTION__);
But this has no effect.
10.7.3
Kind regards,
Gerriet.
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