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58 lines
2.6 KiB
58 lines
2.6 KiB
// Copyright 2019 Google
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#import "FIRCLSFABAsyncOperation.h"
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/**
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* If the compound operation is sent a @c -[cancel] message while executing, it will attempt to
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* cancel all operations on its internal queue, and will return an error in its @c asyncCompletion
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* block with this value as its code.
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*/
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FOUNDATION_EXPORT const NSUInteger FIRCLSCompoundOperationErrorCodeCancelled;
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/**
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* If one or more of the operations on the @c compoundQueue fail, this operation returns an error
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* in its @c asyncCompletion block with this code, and an array of @c NSErrors keyed on @c
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* FIRCLSCompoundOperationErrorUserInfoKeyUnderlyingErrors in the @c userInfo dictionary.
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*/
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FOUNDATION_EXPORT const NSUInteger FIRCLSCompoundOperationErrorCodeSuboperationFailed;
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/**
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* When all the operations complete, this @c FIRCLSCompoundOperation instance's @c asyncCompletion
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* block is called. If any errors were passed by the suboperations' @c asyncCompletion blocks, they
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* are put in an array which can be accessed in the @c userInfo dictionary in the error parameter
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* for this instance's @c asyncCompletion block.
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*/
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FOUNDATION_EXPORT NSString *const FIRCLSCompoundOperationErrorUserInfoKeyUnderlyingErrors;
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/**
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* An operation that executes a collection of suboperations on an internal private queue. Any
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* instance of @c FIRCLSFABAsyncOperation passed into this instance's @c operations property has the
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* potential to return an @c NSError in its @c asyncCompletion block. This instance's @c
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* asyncCompletion block will put all such errors in an @c NSArray and return an @c NSError whose @c
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* userInfo contains that array keyed by @c FIRCLSCompoundOperationErrorUserInfoKeyUnderlyingErrors.
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*/
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@interface FIRCLSCompoundOperation : FIRCLSFABAsyncOperation
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/**
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* An array of @c NSOperations to execute, which can include instances of @c FIRCLSFABAsyncOperation
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* or
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* @c FIRCLSCompoundOperation. This operation will not be marked as finished until all suboperations
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* are marked as finished.
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*/
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@property(copy, nonatomic) NSArray<NSOperation *> *operations;
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@property(strong, nonatomic, readonly) NSOperationQueue *compoundQueue;
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@end
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