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54 lines
2.2 KiB
54 lines
2.2 KiB
9 years ago
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/*
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* Firebase iOS Client Library
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*
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* Copyright © 2013 Firebase - All Rights Reserved
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* https://www.firebase.com
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binaryform must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY FIREBASE AS IS AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL FIREBASE BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#import <Foundation/Foundation.h>
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#import "FMutableData.h"
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/**
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* Used for runTransactionBlock:. An FTransactionResult instance is a container for the results of the transaction.
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*/
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@interface FTransactionResult : NSObject
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/**
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* Used for runTransactionBlock:. Indicates that the new value should be saved at this location
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*
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* @param value An FMutableData instance containing the new value to be set
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* @return An FTransactionResult instance that can be used as a return value from the block given to runTransactionBlock:
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*/
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+ (FTransactionResult *) successWithValue:(FMutableData *)value;
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/**
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* Used for runTransactionBlock:. Indicates that the current transaction should no longer proceed.
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*
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* @return An FTransactionResult instance that can be used as a return value from the block given to runTransactionBlock:
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*/
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+ (FTransactionResult *) abort;
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@end
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