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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 FStorageEngine;
@protocol FClock;
@protocol FCachePolicy;
@class FQuerySpec;
@class FPath;
@class FTrackedQuery;
@class FPruneForest;
@interface FTrackedQueryManager : NSObject
- (id)initWithStorageEngine:(id<FStorageEngine>)storageEngine clock:(id<FClock>)clock;
- (FTrackedQuery *)findTrackedQuery:(FQuerySpec *)query;
- (BOOL)isQueryComplete:(FQuerySpec *)query;
- (void)removeTrackedQuery:(FQuerySpec *)query;
- (void)setQueryComplete:(FQuerySpec *)query;
- (void)setQueriesCompleteAtPath:(FPath *)path;
- (void)setQueryActive:(FQuerySpec *)query;
- (void)setQueryInactive:(FQuerySpec *)query;
- (BOOL)hasActiveDefaultQueryAtPath:(FPath *)path;
- (void)ensureCompleteTrackedQueryAtPath:(FPath *)path;
- (FPruneForest *)pruneOldQueries:(id<FCachePolicy>)cachePolicy;
- (NSUInteger)numberOfPrunableQueries;
- (NSSet *)knownCompleteChildrenAtPath:(FPath *)path;
// For testing
- (void)verifyCache;
@end
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