mirror of
https://github.com/firebase/firebase-ios-sdk
synced 2026-11-11 22:55:59 +05:45
Greg Soltis
861ad89de9
* Drop mutation queue shutdown * Drop query cache shutdown * Drop remote document cache shutdown * Drop local store shutdown * drop newline
84 lines
2.5 KiB
Plaintext
84 lines
2.5 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/FSTMemoryRemoteDocumentCache.h"
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#import "Firestore/Source/Core/FSTQuery.h"
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#import "Firestore/Source/Model/FSTDocument.h"
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#import "Firestore/Source/Model/FSTDocumentDictionary.h"
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#include "Firestore/core/src/firebase/firestore/model/document_key.h"
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using firebase::firestore::model::DocumentKey;
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NS_ASSUME_NONNULL_BEGIN
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@interface FSTMemoryRemoteDocumentCache ()
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/** Underlying cache of documents. */
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@property(nonatomic, strong) FSTMaybeDocumentDictionary *docs;
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@end
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@implementation FSTMemoryRemoteDocumentCache
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- (instancetype)init {
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if (self = [super init]) {
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_docs = [FSTMaybeDocumentDictionary maybeDocumentDictionary];
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}
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return self;
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}
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- (void)addEntry:(FSTMaybeDocument *)document {
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self.docs = [self.docs dictionaryBySettingObject:document forKey:document.key];
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}
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- (void)removeEntryForKey:(const DocumentKey &)key {
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self.docs = [self.docs dictionaryByRemovingObjectForKey:key];
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}
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- (nullable FSTMaybeDocument *)entryForKey:(const DocumentKey &)key {
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return self.docs[static_cast<FSTDocumentKey *>(key)];
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}
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- (FSTDocumentDictionary *)documentsMatchingQuery:(FSTQuery *)query {
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FSTDocumentDictionary *result = [FSTDocumentDictionary documentDictionary];
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// Documents are ordered by key, so we can use a prefix scan to narrow down the documents
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// we need to match the query against.
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FSTDocumentKey *prefix = [FSTDocumentKey keyWithPath:query.path.Append("")];
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NSEnumerator<FSTDocumentKey *> *enumerator = [self.docs keyEnumeratorFrom:prefix];
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for (FSTDocumentKey *key in enumerator) {
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if (!query.path.IsPrefixOf(key.path)) {
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break;
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}
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FSTMaybeDocument *maybeDoc = self.docs[key];
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if (![maybeDoc isKindOfClass:[FSTDocument class]]) {
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continue;
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}
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FSTDocument *doc = (FSTDocument *)maybeDoc;
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if ([query matchesDocument:doc]) {
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result = [result dictionaryBySettingObject:doc forKey:doc.key];
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}
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}
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return result;
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}
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@end
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NS_ASSUME_NONNULL_END
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