2017-10-03 08:55:22 -07:00
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/*
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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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2017-11-16 20:52:01 -08:00
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#import "Firestore/Source/Model/FSTDocumentKeySet.h"
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2017-10-03 08:55:22 -07:00
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@class FSTDocumentKey;
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@class FSTDocumentSet;
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@class FSTMutation;
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@class FSTQuery;
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@class FSTRemoteEvent;
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@class FSTViewSnapshot;
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NS_ASSUME_NONNULL_BEGIN
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/**
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* A set of changes to what documents are currently in view and out of view for a given query.
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* These changes are sent to the LocalStore by the View (via the SyncEngine) and are used to pin /
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* unpin documents as appropriate.
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*/
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@interface FSTLocalViewChanges : NSObject
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+ (instancetype)changesForQuery:(FSTQuery *)query
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addedKeys:(FSTDocumentKeySet *)addedKeys
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removedKeys:(FSTDocumentKeySet *)removedKeys;
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+ (instancetype)changesForViewSnapshot:(FSTViewSnapshot *)viewSnapshot;
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- (id)init NS_UNAVAILABLE;
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@property(nonatomic, strong, readonly) FSTQuery *query;
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@property(nonatomic, strong) FSTDocumentKeySet *addedKeys;
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@property(nonatomic, strong) FSTDocumentKeySet *removedKeys;
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@end
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NS_ASSUME_NONNULL_END
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