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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>
@class FPath;
@protocol FNode;
@class FCompoundWrite;
@class FWriteTreeRef;
@class FChildrenNode;
@class FNamedNode;
@class FWriteRecord;
@protocol FIndex;
@class FCacheNode;
@interface FWriteTree : NSObject
- (FWriteTreeRef *) childWritesForPath:(FPath *)path;
- (void) addOverwriteAtPath:(FPath *)path newData:(id<FNode>)newData writeId:(NSInteger)writeId isVisible:(BOOL)visible;
- (void) addMergeAtPath:(FPath *)path changedChildren:(FCompoundWrite *)changedChildren writeId:(NSInteger)writeId;
- (BOOL) removeWriteId:(NSInteger)writeId;
- (NSArray *) removeAllWrites;
- (FWriteRecord *)writeForId:(NSInteger)writeId;
- (id<FNode>) calculateCompleteEventCacheAtPath:(FPath *)treePath
completeServerCache:(id<FNode>)completeServerCache
excludeWriteIds:(NSArray *)writeIdsToExclude
includeHiddenWrites:(BOOL)includeHiddenWrites;
- (id<FNode>) calculateCompleteEventChildrenAtPath:(FPath *)treePath
completeServerChildren:(id<FNode>)completeServerChildren;
- (id<FNode>) calculateEventCacheAfterServerOverwriteAtPath:(FPath *)treePath
childPath:(FPath *)childPath
existingEventSnap:(id<FNode>)existingEventSnap
existingServerSnap:(id<FNode>)existingServerSnap;
- (id<FNode>) calculateCompleteChildAtPath:(FPath *)treePath
childKey:(NSString *)childKey
cache:(FCacheNode *)existingServerCache;
- (id<FNode>) shadowingWriteAtPath:(FPath *)path;
- (FNamedNode *) calculateNextNodeAfterPost:(FNamedNode *)post
atPath:(FPath *)path
completeServerData:(id<FNode>)completeServerData
reverse:(BOOL)reverse
index:(id<FIndex>)index;
@end
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