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[ASDataController] Remove asyncDataFetching Option, Cleanup (#1794)

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* [ASDataController] Add some assertions to clarify what queues things happen on

* [ASCollectionDataController] Optimize willReloadData

* [ASDataController] Minor optimizations, no functional changes

* [ASDataController] Always reload data on _editingTransactionQueue

* [ASDataController] Remove async data fetching option, deprecate callbacks

* [ASDataController] Not mutable

* [ASMultidimensionalArrayUtils] Use fast enumeration

* Optimize ASMultidimensionalArrayUtils
This commit is contained in:
Adlai Holler
2016-06-23 21:08:44 -07:00
committed by appleguy
parent 997d37dc83
commit 457e08005f
10 changed files with 192 additions and 299 deletions
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25
AsyncDisplayKit/Details/ASDataController.h
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@@ -57,17 +57,6 @@ FOUNDATION_EXPORT NSString * const ASDataControllerRowNodeKind;
*/
- (NSUInteger)numberOfSectionsInDataController:(ASDataController *)dataController;
/**
Lock the data source for data fetching.
*/
- (void)dataControllerLockDataSource;
/**
Unlock the data source after data fetching.
*/
- (void)dataControllerUnlockDataSource;
@end
@protocol ASDataControllerEnvironmentDelegate
@@ -135,20 +124,6 @@ FOUNDATION_EXPORT NSString * const ASDataControllerRowNodeKind;
*/
@property (nonatomic, weak) id<ASDataControllerEnvironmentDelegate> environmentDelegate;
/**
* Designated initializer.
*
* @param asyncDataFetchingEnabled Enable the data fetching in async mode.
*
* @discussion If enabled, we will fetch data through `dataController:nodeAtIndexPath:` and `dataController:rowsInSection:` in background thread.
* Otherwise, the methods will be invoked synchronically in calling thread. Enabling data fetching in async mode could avoid blocking main thread
* while allocating cell on main thread, which is frequently reported issue for handling large scale data. On another hand, the application code
* will take the responsibility to avoid data inconsistency. Specifically, we will lock the data source through `dataControllerLockDataSource`,
* and unlock it by `dataControllerUnlockDataSource` after the data fetching. The application should not update the data source while
* the data source is locked.
*/
- (instancetype)initWithAsyncDataFetching:(BOOL)asyncDataFetchingEnabled;
/** @name Data Updating */
- (void)beginUpdates;