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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 FOperation;
@class FWriteTreeRef;
@protocol FNode;
@protocol FEventRegistration;
@class FQuerySpec;
@class FChildrenNode;
@class FTupleRemovedQueriesEvents;
@class FView;
@class FPath;
@class FCacheNode;
@class FPersistenceManager;
@interface FSyncPoint : NSObject
- (id)initWithPersistenceManager:(FPersistenceManager *)persistence;
- (BOOL) isEmpty;
/**
* Returns array of FEvent
*/
- (NSArray *) applyOperation:(id<FOperation>)operation writesCache:(FWriteTreeRef *)writesCache serverCache:(id<FNode>)optCompleteServerCache;
/**
* Returns array of FEvent
*/
- (NSArray *) addEventRegistration:(id <FEventRegistration>)eventRegistration
forNonExistingViewForQuery:(FQuerySpec *)query
writesCache:(FWriteTreeRef *)writesCache
serverCache:(FCacheNode *)serverCache;
- (NSArray *) addEventRegistration:(id <FEventRegistration>)eventRegistration
forExistingViewForQuery:(FQuerySpec *)query;
- (FTupleRemovedQueriesEvents *) removeEventRegistration:(id <FEventRegistration>)eventRegistration
forQuery:(FQuerySpec *)query
cancelError:(NSError *)cancelError;
/**
* Returns array of FViews
*/
- (NSArray *) queryViews;
- (id<FNode>) completeServerCacheAtPath:(FPath *)path;
- (FView *) viewForQuery:(FQuerySpec *)query;
- (BOOL) viewExistsForQuery:(FQuerySpec *)query;
- (BOOL) hasCompleteView;
- (FView *) completeView;
@end
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