mirror of
https://github.com/firebase/firebase-ios-sdk
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47 lines
1.6 KiB
Objective-C
47 lines
1.6 KiB
Objective-C
/*
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* Copyright 2017 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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*/
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#import <Foundation/Foundation.h>
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@protocol FNode;
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@class FIndexedNode;
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@class FPath;
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/**
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* A cache node only stores complete children. Additionally it holds a flag
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* whether the node can be considered fully initialized in the sense that we
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* know at one point in time, this represented a valid state of the world, e.g.
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* initialized with data from the server, or a complete overwrite by the client.
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* It is not necessarily complete because it may have been from a tagged query.
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* The filtered flag also tracks whether a node potentially had children removed
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* due to a filter.
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*/
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@interface FCacheNode : NSObject
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- (id)initWithIndexedNode:(FIndexedNode *)indexedNode
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isFullyInitialized:(BOOL)fullyInitialized
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isFiltered:(BOOL)filtered;
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- (BOOL)isCompleteForPath:(FPath *)path;
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- (BOOL)isCompleteForChild:(NSString *)childKey;
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@property(nonatomic, readonly) BOOL isFullyInitialized;
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@property(nonatomic, readonly) BOOL isFiltered;
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@property(nonatomic, strong, readonly) FIndexedNode *indexedNode;
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@property(nonatomic, strong, readonly) id<FNode> node;
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@end
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