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nirvana-ios/Pods/FirebaseDatabase/FirebaseDatabase/Sources/Core/FSyncTree.h
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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 FIndexedNode;
@class FListenProvider;
@protocol FNode;
@class FPath;
@protocol FEventRegistration;
@protocol FPersistedServerCache;
@class FQuerySpec;
@class FCompoundWrite;
@class FPersistenceManager;
@class FCompoundHash;
@protocol FClock;
@protocol FSyncTreeHash <NSObject>
- (NSString *)simpleHash;
- (FCompoundHash *)compoundHash;
- (BOOL)includeCompoundHash;
@end
@interface FSyncTree : NSObject
- (id)initWithListenProvider:(FListenProvider *)provider;
- (id)initWithPersistenceManager:(FPersistenceManager *)persistenceManager
listenProvider:(FListenProvider *)provider;
// These methods all return NSArray of FEvent
- (NSArray *)applyUserOverwriteAtPath:(FPath *)path
newData:(id<FNode>)newData
writeId:(NSInteger)writeId
isVisible:(BOOL)visible;
- (NSArray *)applyUserMergeAtPath:(FPath *)path
changedChildren:(FCompoundWrite *)changedChildren
writeId:(NSInteger)writeId;
- (NSArray *)ackUserWriteWithWriteId:(NSInteger)writeId
revert:(BOOL)revert
persist:(BOOL)persist
clock:(id<FClock>)clock;
- (NSArray *)applyServerOverwriteAtPath:(FPath *)path
newData:(id<FNode>)newData;
- (NSArray *)applyServerMergeAtPath:(FPath *)path
changedChildren:(FCompoundWrite *)changedChildren;
- (NSArray *)applyServerRangeMergeAtPath:(FPath *)path
updates:(NSArray *)ranges;
- (NSArray *)applyTaggedQueryOverwriteAtPath:(FPath *)path
newData:(id<FNode>)newData
tagId:(NSNumber *)tagId;
- (NSArray *)applyTaggedQueryMergeAtPath:(FPath *)path
changedChildren:(FCompoundWrite *)changedChildren
tagId:(NSNumber *)tagId;
- (NSArray *)applyTaggedServerRangeMergeAtPath:(FPath *)path
updates:(NSArray *)ranges
tagId:(NSNumber *)tagId;
- (NSArray *)addEventRegistration:(id<FEventRegistration>)eventRegistration
forQuery:(FQuerySpec *)query;
- (NSArray *)removeEventRegistration:(id<FEventRegistration>)eventRegistration
forQuery:(FQuerySpec *)query
cancelError:(NSError *)cancelError;
- (void)keepQuery:(FQuerySpec *)query synced:(BOOL)keepSynced;
- (NSArray *)removeAllWrites;
- (FIndexedNode *)persistenceServerCache:(FQuerySpec *)querySpec;
- (id<FNode>)getServerValue:(FQuerySpec *)query;
- (id<FNode>)calcCompleteEventCacheAtPath:(FPath *)path
excludeWriteIds:(NSArray *)writeIdsToExclude;
@end