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63 lines
1.7 KiB
63 lines
1.7 KiB
9 years ago
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/*
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* Copyright (c) 2014, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*
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*/
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#import <Foundation/Foundation.h>
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NS_ASSUME_NONNULL_BEGIN
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/*!
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An object that can run a given block.
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*/
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@interface BFExecutor : NSObject
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/*!
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Returns a default executor, which runs continuations immediately until the call stack gets too
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deep, then dispatches to a new GCD queue.
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*/
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+ (instancetype)defaultExecutor;
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/*!
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Returns an executor that runs continuations on the thread where the previous task was completed.
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*/
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+ (instancetype)immediateExecutor;
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/*!
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Returns an executor that runs continuations on the main thread.
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*/
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+ (instancetype)mainThreadExecutor;
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/*!
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Returns a new executor that uses the given block to execute continuations.
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@param block The block to use.
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*/
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+ (instancetype)executorWithBlock:(void(^)(void(^block)()))block;
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/*!
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Returns a new executor that runs continuations on the given queue.
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@param queue The instance of `dispatch_queue_t` to dispatch all continuations onto.
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*/
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+ (instancetype)executorWithDispatchQueue:(dispatch_queue_t)queue;
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/*!
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Returns a new executor that runs continuations on the given queue.
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@param queue The instance of `NSOperationQueue` to run all continuations on.
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*/
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+ (instancetype)executorWithOperationQueue:(NSOperationQueue *)queue;
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/*!
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Runs the given block using this executor's particular strategy.
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@param block The block to execute.
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*/
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- (void)execute:(void(^)())block;
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@end
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NS_ASSUME_NONNULL_END
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