NSOperationQueue、NSOperation理解
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2.NSOperationQueue与NSOperation:
@interface NSOperation : NSObject {
@private
#if __LP64__
#endif
}
- (id)init; // designated initializer
- (void)start; //
- (void)main;
- (BOOL)isCancelled;
- (void)cancel;
- (BOOL)isExecuting;
- (BOOL)isFinished;
- (BOOL)isConcurrent;
- (BOOL)isReady;
- (void)addDependency:(NSOperation *)op;
- (void)removeDependency:(NSOperation *)op;
- (NSArray *)dependencies;
typedef NS_ENUM(NSInteger, NSOperationQueuePriority
};
- (NSOperationQueuePriority
- (void)setQueuePriority:(NSOperationQueuePriority
#if NS_BLOCKS_AVAILABLE
- (void (^)(void))completionBlock NS_AVAILABLE(10_6, 4_0);
- (void)setCompletionBlock:(void (^)(void))block NS_AVAILABLE(10_6,4_0);
#endif
- (void)waitUntilFinished NS_AVAILABLE(10_6, 4_0);
- (double)threadPriority NS_AVAILABLE(10_6, 4_0);
- (void)setThreadPriority:(double)p NS_AVAILABLE(10_6, 4_0);
@end
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