Make "pending", "cancelled", "finished" and "retryCount" in STNetTask public readonly and internal readwrite.

Author: kevin-lyn

STNetTaskQueue/STNetTask.h

@@ -48,19 +48,19 @@ FOUNDATION_EXPORT NSString *const STNetTaskUnknownError;
  Indicates if the net task is waiting for executing or executing.
  This value will be set to "YES" immediately after the net task is added to net task queue.
  */
-@property (atomic, assign) BOOL pending;
+@property (atomic, assign, readonly) BOOL pending;
 
 /*
  Indicates if the net task is cancelled.
  This value would be "NO" by default after net task is created, even the net task is not added to queue.
  */
-@property (atomic, assign) BOOL cancelled;
+@property (atomic, assign, readonly) BOOL cancelled;
 
 /* Indicates if the net task is finished(no matter it's successful or failed). */
-@property (atomic, assign) BOOL finished;
+@property (atomic, assign, readonly) BOOL finished;
 
 /* The current retry time @see maxRetryCount */
-@property (atomic, assign) NSUInteger retryCount;
+@property (atomic, assign, readonly) NSUInteger retryCount;
 
 /*
  A unique string represents the net task.

STNetTaskQueue/STNetTask.m

@@ -10,6 +10,15 @@
 
 NSString *const STNetTaskUnknownError = @"STNetTaskUnknownError";
 
+@interface STNetTask ()
+
+@property (atomic, assign) BOOL pending;
+@property (atomic, assign) BOOL cancelled;
+@property (atomic, assign) BOOL finished;
+@property (atomic, assign) NSUInteger retryCount;
+
+@end
+
 @implementation STNetTask
 
 - (NSString *)uri

STNetTaskQueue/STNetTaskQueue.m

@@ -9,6 +9,15 @@
 #import "STNetTaskQueue.h"
 #import "STNetTaskQueueLog.h"
 
+@interface STNetTask (STInternal)
+
+@property (atomic, assign) BOOL pending;
+@property (atomic, assign) BOOL cancelled;
+@property (atomic, assign) BOOL finished;
+@property (atomic, assign) NSUInteger retryCount;
+
+@end
+
 @interface STNetTaskQueue()
 
 @property (nonatomic, strong) NSThread *thread;