NSInvocationOperation
An operation that manages the execution of a single encapsulated task specified as an invocation.
Declaration
@interface NSInvocationOperation : NSOperationOverview
The NSInvocationOperation class is a concrete subclass of Operation that you use to initiate an operation that consists of invoking a selector on a specified object. This class implements a non-concurrent operation.
For more information on concurrent versus non-concurrent operations, see Operation.