| /* |
| * Copyright (C) 2015 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(INDEXED_DATABASE) |
| |
| #include "IDBBackingStore.h" |
| #include "IDBDatabaseIdentifier.h" |
| #include "IDBResourceIdentifier.h" |
| #include "MemoryBackingStoreTransaction.h" |
| #include <wtf/HashMap.h> |
| |
| namespace WebCore { |
| namespace IDBServer { |
| |
| class MemoryObjectStore; |
| |
| class MemoryIDBBackingStore : public IDBBackingStore { |
| WTF_MAKE_FAST_ALLOCATED; |
| public: |
| static std::unique_ptr<MemoryIDBBackingStore> create(const IDBDatabaseIdentifier&); |
| |
| MemoryIDBBackingStore(const IDBDatabaseIdentifier&); |
| ~MemoryIDBBackingStore() final; |
| |
| IDBError getOrEstablishDatabaseInfo(IDBDatabaseInfo&) final; |
| void setDatabaseInfo(const IDBDatabaseInfo&); |
| |
| IDBError beginTransaction(const IDBTransactionInfo&) final; |
| IDBError abortTransaction(const IDBResourceIdentifier& transactionIdentifier) final; |
| IDBError commitTransaction(const IDBResourceIdentifier& transactionIdentifier) final; |
| IDBError createObjectStore(const IDBResourceIdentifier& transactionIdentifier, const IDBObjectStoreInfo&) final; |
| IDBError deleteObjectStore(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier) final; |
| IDBError renameObjectStore(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, const String& newName) final; |
| IDBError clearObjectStore(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier) final; |
| IDBError createIndex(const IDBResourceIdentifier& transactionIdentifier, const IDBIndexInfo&) final; |
| IDBError deleteIndex(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, uint64_t indexIdentifier) final; |
| IDBError renameIndex(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, uint64_t indexIdentifier, const String& newName) final; |
| IDBError keyExistsInObjectStore(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, const IDBKeyData&, bool& keyExists) final; |
| IDBError deleteRange(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, const IDBKeyRangeData&) final; |
| IDBError addRecord(const IDBResourceIdentifier& transactionIdentifier, const IDBObjectStoreInfo&, const IDBKeyData&, const IDBValue&) final; |
| IDBError getRecord(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, const IDBKeyRangeData&, IDBGetRecordDataType, IDBGetResult& outValue) final; |
| IDBError getAllRecords(const IDBResourceIdentifier& transactionIdentifier, const IDBGetAllRecordsData&, IDBGetAllResult& outValue) final; |
| IDBError getIndexRecord(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, uint64_t indexIdentifier, IndexedDB::IndexRecordType, const IDBKeyRangeData&, IDBGetResult& outValue) final; |
| IDBError getCount(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, uint64_t indexIdentifier, const IDBKeyRangeData&, uint64_t& outCount) final; |
| IDBError generateKeyNumber(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, uint64_t& keyNumber) final; |
| IDBError revertGeneratedKeyNumber(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, uint64_t keyNumber) final; |
| IDBError maybeUpdateKeyGeneratorNumber(const IDBResourceIdentifier& transactionIdentifier, uint64_t objectStoreIdentifier, double newKeyNumber) final; |
| IDBError openCursor(const IDBResourceIdentifier& transactionIdentifier, const IDBCursorInfo&, IDBGetResult& outResult) final; |
| IDBError iterateCursor(const IDBResourceIdentifier& transactionIdentifier, const IDBResourceIdentifier& cursorIdentifier, const IDBIterateCursorData&, IDBGetResult& outResult) final; |
| bool prefetchCursor(const IDBResourceIdentifier&, const IDBResourceIdentifier&) final { return false; } |
| |
| IDBObjectStoreInfo* infoForObjectStore(uint64_t objectStoreIdentifier) final; |
| void deleteBackingStore() final; |
| |
| bool supportsSimultaneousTransactions() final { return true; } |
| bool isEphemeral() final { return true; } |
| |
| void setQuota(uint64_t quota) final { UNUSED_PARAM(quota); }; |
| uint64_t databasesSizeForOrigin() const final; |
| |
| void removeObjectStoreForVersionChangeAbort(MemoryObjectStore&); |
| void restoreObjectStoreForVersionChangeAbort(Ref<MemoryObjectStore>&&); |
| |
| bool hasTransaction(const IDBResourceIdentifier& identifier) const final { return m_transactions.contains(identifier); } |
| |
| private: |
| RefPtr<MemoryObjectStore> takeObjectStoreByIdentifier(uint64_t identifier); |
| |
| IDBDatabaseIdentifier m_identifier; |
| std::unique_ptr<IDBDatabaseInfo> m_databaseInfo; |
| |
| HashMap<IDBResourceIdentifier, std::unique_ptr<MemoryBackingStoreTransaction>> m_transactions; |
| |
| void registerObjectStore(Ref<MemoryObjectStore>&&); |
| void unregisterObjectStore(MemoryObjectStore&); |
| HashMap<uint64_t, RefPtr<MemoryObjectStore>> m_objectStoresByIdentifier; |
| HashMap<String, MemoryObjectStore*> m_objectStoresByName; |
| }; |
| |
| } // namespace IDBServer |
| } // namespace WebCore |
| |
| #endif // ENABLE(INDEXED_DATABASE) |