什么时候在iPhone中使用同时具有静态方法和实例方法的Class

Question

I have created a class which contain only static method in iPhone. The class was mainly to do my core data operations. But suddenly, I had a need to make a method call in a view controller, when an insertion of data in to a table got completed.

At first, I decided to send an NSNotification , once the loop finishes iteration. But then, since I need to use this only for single time, I decided not to go for NSNotificationCenter , instead to use delegation.

Now I have many static method, and two instance methods:

//1
-(id)initWithDelegate:(id)delegate;

//2
-(void)insertContentsInToTheTableFromArray:(NSArray *)contentArray;

Is this a good design pattern, to have both instance methods and class methods in this class. Please share your thoughts.

Answer 1

We can use both method in one class. We know that instance methods use an instance of a class, whereas a static method can be used with just the class name. But the static method is a convenience method that use on many foundation classes.