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https://github.com/firebase/firebase-ios-sdk
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Gil
a080e481b5
* Define a Comparator for DocumentKey * Automated migration from FSTDocumentKeySet to DocumentKeySet * Manual fixups for DocumentKeySet * Delete FSTDocumentKeySet
95 lines
2.7 KiB
Plaintext
95 lines
2.7 KiB
Plaintext
/*
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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 "Firestore/Source/Local/FSTLocalViewChanges.h"
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#include <utility>
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#import "Firestore/Source/Core/FSTViewSnapshot.h"
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#import "Firestore/Source/Model/FSTDocument.h"
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using firebase::firestore::model::DocumentKeySet;
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NS_ASSUME_NONNULL_BEGIN
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@interface FSTLocalViewChanges ()
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- (instancetype)initWithQuery:(FSTQuery *)query
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addedKeys:(DocumentKeySet)addedKeys
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removedKeys:(DocumentKeySet)removedKeys NS_DESIGNATED_INITIALIZER;
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@end
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@implementation FSTLocalViewChanges {
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DocumentKeySet _addedKeys;
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DocumentKeySet _removedKeys;
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}
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+ (instancetype)changesForViewSnapshot:(FSTViewSnapshot *)viewSnapshot {
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DocumentKeySet addedKeys;
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DocumentKeySet removedKeys;
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for (FSTDocumentViewChange *docChange in viewSnapshot.documentChanges) {
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switch (docChange.type) {
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case FSTDocumentViewChangeTypeAdded:
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addedKeys = addedKeys.insert(docChange.document.key);
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break;
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case FSTDocumentViewChangeTypeRemoved:
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removedKeys = removedKeys.insert(docChange.document.key);
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break;
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default:
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// Do nothing.
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break;
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}
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}
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return [self changesForQuery:viewSnapshot.query
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addedKeys:std::move(addedKeys)
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removedKeys:std::move(removedKeys)];
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}
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+ (instancetype)changesForQuery:(FSTQuery *)query
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addedKeys:(DocumentKeySet)addedKeys
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removedKeys:(DocumentKeySet)removedKeys {
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return [[FSTLocalViewChanges alloc] initWithQuery:query
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addedKeys:std::move(addedKeys)
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removedKeys:std::move(removedKeys)];
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}
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- (instancetype)initWithQuery:(FSTQuery *)query
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addedKeys:(DocumentKeySet)addedKeys
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removedKeys:(DocumentKeySet)removedKeys {
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self = [super init];
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if (self) {
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_query = query;
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_addedKeys = std::move(addedKeys);
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_removedKeys = std::move(removedKeys);
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}
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return self;
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}
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- (const DocumentKeySet &)addedKeys {
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return _addedKeys;
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}
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- (const DocumentKeySet &)removedKeys {
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return _removedKeys;
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}
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@end
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NS_ASSUME_NONNULL_END
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