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/*
* Copyright (C) 2013 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.
*/
#ifndef SQLiteIDBTransaction_h
#define SQLiteIDBTransaction_h
#if ENABLE(INDEXED_DATABASE) && ENABLE(DATABASE_PROCESS)
#include "IDBIdentifier.h"
#include <WebCore/IDBDatabaseBackend.h>
#include <wtf/HashMap.h>
#include <wtf/Noncopyable.h>
namespace WebCore {
class SQLiteDatabase;
class SQLiteTransaction;
namespace IndexedDB {
enum class CursorDirection;
enum class CursorType;
enum class TransactionMode;
}
struct IDBKeyRangeData;
}
namespace WebKit {
class SQLiteIDBCursor;
class UniqueIDBDatabaseBackingStoreSQLite;
class SQLiteIDBTransaction {
WTF_MAKE_NONCOPYABLE(SQLiteIDBTransaction);
public:
static std::unique_ptr<SQLiteIDBTransaction> create(UniqueIDBDatabaseBackingStoreSQLite& backingStore, const IDBIdentifier& transactionIdentifier, WebCore::IndexedDB::TransactionMode mode)
{
return std::unique_ptr<SQLiteIDBTransaction>(new SQLiteIDBTransaction(backingStore, transactionIdentifier, mode));
}
~SQLiteIDBTransaction();
const IDBIdentifier& transactionIdentifier() const { return m_identifier; }
bool begin(WebCore::SQLiteDatabase&);
bool commit();
bool reset();
bool rollback();
SQLiteIDBCursor* openCursor(int64_t objectStoreID, int64_t indexID, WebCore::IndexedDB::CursorDirection, WebCore::IndexedDB::CursorType, WebCore::IDBDatabaseBackend::TaskType, const WebCore::IDBKeyRangeData&);
void closeCursor(SQLiteIDBCursor&);
void notifyCursorsOfChanges(int64_t objectStoreID);
WebCore::IndexedDB::TransactionMode mode() const { return m_mode; }
bool inProgress() const;
WebCore::SQLiteTransaction* sqliteTransaction() const { return m_sqliteTransaction.get(); }
private:
SQLiteIDBTransaction(UniqueIDBDatabaseBackingStoreSQLite&, const IDBIdentifier& transactionIdentifier, WebCore::IndexedDB::TransactionMode);
void clearCursors();
IDBIdentifier m_identifier;
WebCore::IndexedDB::TransactionMode m_mode;
UniqueIDBDatabaseBackingStoreSQLite& m_backingStore;
std::unique_ptr<WebCore::SQLiteTransaction> m_sqliteTransaction;
HashMap<IDBIdentifier, std::unique_ptr<SQLiteIDBCursor>> m_cursors;
};
} // namespace WebKit
#endif // ENABLE(INDEXED_DATABASE) && ENABLE(DATABASE_PROCESS)
#endif // SQLiteIDBTransaction_h
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