//
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// VKOperation.h
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//
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// Copyright (c) 2014 VK.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy of
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// this software and associated documentation files (the "Software"), to deal in
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// the Software without restriction, including without limitation the rights to
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// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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// the Software, and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#import <Foundation/Foundation.h>
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typedef NS_ENUM(NSInteger, VKOperationState) {
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/// Operation paused
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VKOperationPausedState = -1,
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/// Operation ready, and will be executed
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VKOperationReadyState = 1,
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/// Operation executing just in time
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VKOperationExecutingState = 2,
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/// Operation finished or canceled
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VKOperationFinishedState = 3,
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};
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/**
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Basic class for operations
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*/
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@interface VKOperation : NSOperation
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/// This operation state. Value from VKOperationState enum
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@property(readwrite, nonatomic, assign) VKOperationState state;
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/// Operation working lock
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@property(readwrite, nonatomic, strong) NSRecursiveLock *lock;
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/// Sets dispatch queue for returning result
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@property(nonatomic, assign) dispatch_queue_t responseQueue;
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@end
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