mirror of
https://github.com/firebase/firebase-ios-sdk
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59 lines
1.9 KiB
Objective-C
59 lines
1.9 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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#include <memory>
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#import "Firestore/Source/Local/FSTMutationQueue.h"
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#include "Firestore/core/src/firebase/firestore/auth/user.h"
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#include "leveldb/db.h"
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@class FSTLevelDB;
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@class FSTLocalSerializer;
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@protocol FSTGarbageCollector;
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NS_ASSUME_NONNULL_BEGIN
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/** A mutation queue for a specific user, backed by LevelDB. */
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@interface FSTLevelDBMutationQueue : NSObject <FSTMutationQueue>
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- (instancetype)init __attribute__((unavailable("Use a static constructor")));
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/** The garbage collector to notify about potential garbage keys. */
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@property(nonatomic, weak, readwrite, nullable) id<FSTGarbageCollector> garbageCollector;
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/**
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* Creates a new mutation queue for the given user, in the given LevelDB.
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*
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* @param user The user for which to create a mutation queue.
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* @param db The LevelDB in which to create the queue.
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*/
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+ (instancetype)mutationQueueWithUser:(const firebase::firestore::auth::User &)user
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db:(std::shared_ptr<leveldb::DB>)db
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serializer:(FSTLocalSerializer *)serializer;
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/**
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* Returns one larger than the largest batch ID that has been stored. If there are no mutations
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* returns 0. Note that batch IDs are global.
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*/
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+ (FSTBatchID)loadNextBatchIDFromDB:(std::shared_ptr<leveldb::DB>)db;
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@end
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NS_ASSUME_NONNULL_END
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