firebase-ios-sdk/FirebaseDatabase/Sources/Core/View/FViewCache.h

#/*
* 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 FCacheNode;
@class FIndexedNode;

@interface FViewCache : NSObject

- (id)initWithEventCache:(FCacheNode *)eventCache
             serverCache:(FCacheNode *)serverCache;

- (FViewCache *)updateEventSnap:(FIndexedNode *)eventSnap
                     isComplete:(BOOL)complete
                     isFiltered:(BOOL)filtered;
- (FViewCache *)updateServerSnap:(FIndexedNode *)serverSnap
                      isComplete:(BOOL)complete
                      isFiltered:(BOOL)filtered;

@property(nonatomic, strong, readonly) FCacheNode *cachedEventSnap;
@property(nonatomic, strong, readonly) id<FNode> completeEventSnap;
@property(nonatomic, strong, readonly) FCacheNode *cachedServerSnap;
@property(nonatomic, strong, readonly) id<FNode> completeServerSnap;

@end