54 lines
1.8 KiB
Objective-C
54 lines
1.8 KiB
Objective-C
/*
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* Copyright 2017 Google
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import <Foundation/Foundation.h>
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@protocol FNode;
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@class FPruneForest;
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@class FPath;
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@class FCompoundWrite;
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@class FQuerySpec;
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@class FTrackedQuery;
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@protocol FStorageEngine <NSObject>
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- (void)close;
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- (void)saveUserOverwrite:(id<FNode>)node atPath:(FPath *)path writeId:(NSUInteger)writeId;
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- (void)saveUserMerge:(FCompoundWrite *)merge atPath:(FPath *)path writeId:(NSUInteger)writeId;
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- (void)removeUserWrite:(NSUInteger)writeId;
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- (void)removeAllUserWrites;
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- (NSArray *)userWrites;
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- (id<FNode>)serverCacheAtPath:(FPath *)path;
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- (id<FNode>)serverCacheForKeys:(NSSet *)keys atPath:(FPath *)path;
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- (void)updateServerCache:(id<FNode>)node atPath:(FPath *)path merge:(BOOL)merge;
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- (void)updateServerCacheWithMerge:(FCompoundWrite *)merge atPath:(FPath *)path;
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- (NSUInteger)serverCacheEstimatedSizeInBytes;
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- (void)pruneCache:(FPruneForest *)pruneForest atPath:(FPath *)path;
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- (NSArray *)loadTrackedQueries;
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- (void)removeTrackedQuery:(NSUInteger)queryId;
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- (void)saveTrackedQuery:(FTrackedQuery *)query;
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- (void)setTrackedQueryKeys:(NSSet *)keys forQueryId:(NSUInteger)queryId;
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- (void)updateTrackedQueryKeysWithAddedKeys:(NSSet *)added removedKeys:(NSSet *)removed forQueryId:(NSUInteger)queryId;
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- (NSSet *)trackedQueryKeysForQuery:(NSUInteger)queryId;
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@end
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