mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-10 22:45:59 +05:45
Greg Soltis
d9b2d312d9
* FSTMutationQueue no longer needs groups * Remove write group from mutation queue entirely * Remove write group from query cache * Mark groups unused in remote document cache * Drop write group entirely from remote document cache * style * Drop commented-out code * Drop commented-out code
153 lines
4.4 KiB
Plaintext
153 lines
4.4 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/FSTMemoryQueryCache.h"
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#import "Firestore/Source/Core/FSTQuery.h"
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#import "Firestore/Source/Core/FSTSnapshotVersion.h"
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#import "Firestore/Source/Local/FSTQueryData.h"
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#import "Firestore/Source/Local/FSTReferenceSet.h"
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#include "Firestore/core/src/firebase/firestore/model/document_key.h"
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NS_ASSUME_NONNULL_BEGIN
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@interface FSTMemoryQueryCache ()
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/** Maps a query to the data about that query. */
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@property(nonatomic, strong, readonly) NSMutableDictionary<FSTQuery *, FSTQueryData *> *queries;
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/** A ordered bidirectional mapping between documents and the remote target IDs. */
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@property(nonatomic, strong, readonly) FSTReferenceSet *references;
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/** The highest numbered target ID encountered. */
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@property(nonatomic, assign) FSTTargetID highestTargetID;
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@property(nonatomic, assign) FSTListenSequenceNumber highestListenSequenceNumber;
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/** The last received snapshot version. */
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@property(nonatomic, strong) FSTSnapshotVersion *lastRemoteSnapshotVersion;
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@end
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@implementation FSTMemoryQueryCache
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- (instancetype)init {
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if (self = [super init]) {
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_queries = [NSMutableDictionary dictionary];
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_references = [[FSTReferenceSet alloc] init];
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_lastRemoteSnapshotVersion = [FSTSnapshotVersion noVersion];
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}
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return self;
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}
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#pragma mark - FSTQueryCache implementation
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#pragma mark Query tracking
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- (void)start {
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// Nothing to do.
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}
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- (void)shutdown {
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// No resources to release.
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}
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- (FSTTargetID)highestTargetID {
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return _highestTargetID;
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}
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- (FSTListenSequenceNumber)highestListenSequenceNumber {
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return _highestListenSequenceNumber;
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}
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/*- (FSTSnapshotVersion *)lastRemoteSnapshotVersion {
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return _lastRemoteSnapshotVersion;
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}
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- (void)setLastRemoteSnapshotVersion:(FSTSnapshotVersion *)snapshotVersion
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group:(FSTWriteGroup *)group {
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_lastRemoteSnapshotVersion = snapshotVersion;
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}*/
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- (void)addQueryData:(FSTQueryData *)queryData {
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self.queries[queryData.query] = queryData;
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if (queryData.targetID > self.highestTargetID) {
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self.highestTargetID = queryData.targetID;
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}
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if (queryData.sequenceNumber > self.highestListenSequenceNumber) {
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self.highestListenSequenceNumber = queryData.sequenceNumber;
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}
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}
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- (void)updateQueryData:(FSTQueryData *)queryData {
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self.queries[queryData.query] = queryData;
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if (queryData.targetID > self.highestTargetID) {
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self.highestTargetID = queryData.targetID;
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}
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if (queryData.sequenceNumber > self.highestListenSequenceNumber) {
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self.highestListenSequenceNumber = queryData.sequenceNumber;
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}
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}
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- (int32_t)count {
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return (int32_t)[self.queries count];
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}
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- (void)removeQueryData:(FSTQueryData *)queryData {
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[self.queries removeObjectForKey:queryData.query];
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[self.references removeReferencesForID:queryData.targetID];
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}
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- (nullable FSTQueryData *)queryDataForQuery:(FSTQuery *)query {
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return self.queries[query];
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}
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#pragma mark Reference tracking
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- (void)addMatchingKeys:(FSTDocumentKeySet *)keys forTargetID:(FSTTargetID)targetID {
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[self.references addReferencesToKeys:keys forID:targetID];
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}
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- (void)removeMatchingKeys:(FSTDocumentKeySet *)keys forTargetID:(FSTTargetID)targetID {
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[self.references removeReferencesToKeys:keys forID:targetID];
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}
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- (void)removeMatchingKeysForTargetID:(FSTTargetID)targetID {
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[self.references removeReferencesForID:targetID];
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}
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- (FSTDocumentKeySet *)matchingKeysForTargetID:(FSTTargetID)targetID {
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return [self.references referencedKeysForID:targetID];
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}
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#pragma mark - FSTGarbageSource implementation
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- (nullable id<FSTGarbageCollector>)garbageCollector {
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return self.references.garbageCollector;
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}
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- (void)setGarbageCollector:(nullable id<FSTGarbageCollector>)garbageCollector {
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self.references.garbageCollector = garbageCollector;
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}
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- (BOOL)containsKey:(const firebase::firestore::model::DocumentKey &)key {
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return [self.references containsKey:key];
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}
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@end
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NS_ASSUME_NONNULL_END
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