text: //
  //  YTKBatchRequest.h
  //
  //  Copyright (c) 2012-2014 YTKNetwork https://github.com/yuantiku
  //
  //  Permission is hereby granted, free of charge, to any person obtaining a copy
  //  of this software and associated documentation files (the "Software"), to deal
  //  in the Software without restriction, including without limitation the rights
  //  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  //  copies of the Software, and to permit persons to whom the Software is
  //  furnished to do so, subject to the following conditions:
  //
  //  The above copyright notice and this permission notice shall be included in
  //  all copies or substantial portions of the Software.
  //
  //  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  //  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  //  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  //  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  //  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  //  THE SOFTWARE.
  
  #import <Foundation/Foundation.h>
  #import "YTKRequest.h"
  
  NS_ASSUME_NONNULL_BEGIN
  
  @class YTKBatchRequest;
  @protocol YTKBatchRequestDelegate <NSObject>
  
  @optional
  
  - (void)batchRequestFinished:(YTKBatchRequest *)batchRequest;
  
  - (void)batchRequestFailed:(YTKBatchRequest *)batchRequest;
  
  @end
  
  @interface YTKBatchRequest : NSObject
  
  @property (strong, nonatomic, readonly) NSArray<YTKRequest *> *requestArray;
  
  @property (weak, nonatomic, nullable) id<YTKBatchRequestDelegate> delegate;
  
  @property (nonatomic, copy, nullable) void (^successCompletionBlock)(YTKBatchRequest *);
  
  @property (nonatomic, copy, nullable) void (^failureCompletionBlock)(YTKBatchRequest *);
  
  @property (nonatomic) NSInteger tag;
  
  @property (nonatomic, strong, nullable) NSMutableArray<id<YTKRequestAccessory>> *requestAccessories;
  
  @property (nonatomic, strong, readonly, nullable) YTKRequest *failedRequest;
  
  - (instancetype)initWithRequestArray:(NSArray<YTKRequest *> *)requestArray;
  
  - (void)start;
  
  - (void)stop;
  
  /// block回调
  - (void)startWithCompletionBlockWithSuccess:(nullable void (^)(YTKBatchRequest *batchRequest))success
                                      failure:(nullable void (^)(YTKBatchRequest *batchRequest))failure;
  
  - (void)setCompletionBlockWithSuccess:(nullable void (^)(YTKBatchRequest *batchRequest))success
                                failure:(nullable void (^)(YTKBatchRequest *batchRequest))failure;
  
  /// 把block置nil来打破循环引用
  - (void)clearCompletionBlock;
  
  /// Request Accessory，可以hook Request的start和stop
  - (void)addAccessory:(id<YTKRequestAccessory>)accessory;
  
  /// 是否当前的数据从缓存获得
  - (BOOL)isDataFromCache;
  
  @end
  
  NS_ASSUME_NONNULL_END
  