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/*
* Copyright 2017 Google
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#import <Foundation/Foundation.h>
@protocol FNode;
@class FIndexedNode;
@class FPath;
/**
* A cache node only stores complete children. Additionally it holds a flag whether the node can be considered fully
* initialized in the sense that we know at one point in time, this represented a valid state of the world, e.g.
* initialized with data from the server, or a complete overwrite by the client. It is not necessarily complete because
* it may have been from a tagged query. The filtered flag also tracks whether a node potentially had children removed
* due to a filter.
*/
@interface FCacheNode : NSObject
- (id) initWithIndexedNode:(FIndexedNode *)indexedNode
isFullyInitialized:(BOOL)fullyInitialized
isFiltered:(BOOL)filtered;
- (BOOL) isCompleteForPath:(FPath *)path;
- (BOOL) isCompleteForChild:(NSString *)childKey;
@property (nonatomic, readonly) BOOL isFullyInitialized;
@property (nonatomic, readonly) BOOL isFiltered;
@property (nonatomic, strong, readonly) FIndexedNode *indexedNode;
@property (nonatomic, strong, readonly) id<FNode> node;
@end
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