MemoryIDBBackingStore.h [plain text]
#pragma once
#if ENABLE(INDEXED_DATABASE)
#include "IDBBackingStore.h"
#include "IDBDatabaseIdentifier.h"
#include "IDBResourceIdentifier.h"
#include "IndexKey.h"
#include "MemoryBackingStoreTransaction.h"
#include <pal/SessionID.h>
#include <wtf/HashMap.h>
namespace WebCore {
namespace IDBServer {
class IDBSerializationContext;
class MemoryObjectStore;
class MemoryIDBBackingStore final : public IDBBackingStore {
WTF_MAKE_FAST_ALLOCATED;
public:
MemoryIDBBackingStore(PAL::SessionID, const IDBDatabaseIdentifier&);
~MemoryIDBBackingStore();
IDBError getOrEstablishDatabaseInfo(IDBDatabaseInfo&) final;
void setDatabaseInfo(const IDBDatabaseInfo&);
void removeObjectStoreForVersionChangeAbort(MemoryObjectStore&);
void restoreObjectStoreForVersionChangeAbort(Ref<MemoryObjectStore>&&);
IDBSerializationContext& serializationContext() final;
private:
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 IndexIDToIndexKeyMap&, 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;
IDBObjectStoreInfo* infoForObjectStore(uint64_t objectStoreIdentifier) final;
void deleteBackingStore() final;
bool supportsSimultaneousTransactions() final { return true; }
bool isEphemeral() final { return true; }
bool hasTransaction(const IDBResourceIdentifier& identifier) const final { return m_transactions.contains(identifier); }
RefPtr<MemoryObjectStore> takeObjectStoreByIdentifier(uint64_t identifier);
void close() final;
void registerObjectStore(Ref<MemoryObjectStore>&&);
void unregisterObjectStore(MemoryObjectStore&);
IDBDatabaseIdentifier m_identifier;
PAL::SessionID m_sessionID;
Ref<IDBSerializationContext> m_serializationContext;
std::unique_ptr<IDBDatabaseInfo> m_databaseInfo;
HashMap<IDBResourceIdentifier, std::unique_ptr<MemoryBackingStoreTransaction>> m_transactions;
HashMap<uint64_t, RefPtr<MemoryObjectStore>> m_objectStoresByIdentifier;
HashMap<String, MemoryObjectStore*> m_objectStoresByName;
};
} }
#endif // ENABLE(INDEXED_DATABASE)