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/*
* Copyright (C) 2011 Google 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 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 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 IDBLevelDBBackingStore_h
#define IDBLevelDBBackingStore_h
#if ENABLE(INDEXED_DATABASE)
#if USE(LEVELDB)
#include "IDBBackingStore.h"
#include <wtf/OwnPtr.h>
namespace WebCore {
class LevelDBComparator;
class LevelDBDatabase;
class LevelDBTransaction;
class IDBFactoryBackendImpl;
class IDBLevelDBBackingStore : public IDBBackingStore {
public:
static PassRefPtr<IDBBackingStore> open(SecurityOrigin*, const String& pathBase, const String& fileIdentifier, IDBFactoryBackendImpl*);
virtual ~IDBLevelDBBackingStore();
virtual void getDatabaseNames(Vector<String>& foundNames);
virtual bool getIDBDatabaseMetaData(const String& name, String& foundVersion, int64_t& foundId);
virtual bool createIDBDatabaseMetaData(const String& name, const String& version, int64_t& rowId);
virtual bool updateIDBDatabaseMetaData(int64_t rowId, const String& version);
virtual bool deleteDatabase(const String& name);
virtual void getObjectStores(int64_t databaseId, Vector<int64_t>& foundIds, Vector<String>& foundNames, Vector<IDBKeyPath>& foundKeyPaths, Vector<bool>& foundAutoIncrementFlags);
virtual bool createObjectStore(int64_t databaseId, const String& name, const IDBKeyPath&, bool autoIncrement, int64_t& assignedObjectStoreId);
virtual void deleteObjectStore(int64_t databaseId, int64_t objectStoreId);
virtual PassRefPtr<ObjectStoreRecordIdentifier> createInvalidRecordIdentifier();
virtual String getObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, const IDBKey&);
virtual bool putObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, const IDBKey&, const String& value, ObjectStoreRecordIdentifier*);
virtual void clearObjectStore(int64_t databaseId, int64_t objectStoreId);
virtual void deleteObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, const ObjectStoreRecordIdentifier*);
virtual int64_t getKeyGeneratorCurrentNumber(int64_t databaseId, int64_t objectStoreId);
virtual bool maybeUpdateKeyGeneratorCurrentNumber(int64_t databaseId, int64_t objectStoreId, int64_t newState, bool checkCurrent);
virtual bool keyExistsInObjectStore(int64_t databaseId, int64_t objectStoreId, const IDBKey&, ObjectStoreRecordIdentifier* foundRecordIdentifier);
virtual bool forEachObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, ObjectStoreRecordCallback&);
virtual void getIndexes(int64_t databaseId, int64_t objectStoreId, Vector<int64_t>& foundIds, Vector<String>& foundNames, Vector<IDBKeyPath>& foundKeyPaths, Vector<bool>& foundUniqueFlags, Vector<bool>& foundMultiEntryFlags);
virtual bool createIndex(int64_t databaseId, int64_t objectStoreId, const String& name, const IDBKeyPath&, bool isUnique, bool isMultiEntry, int64_t& indexId);
virtual void deleteIndex(int64_t databaseId, int64_t objectStoreId, int64_t indexId);
virtual bool putIndexDataForRecord(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey&, const ObjectStoreRecordIdentifier*);
virtual bool deleteIndexDataForRecord(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const ObjectStoreRecordIdentifier*);
virtual PassRefPtr<IDBKey> getPrimaryKeyViaIndex(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey&);
virtual bool keyExistsInIndex(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey& indexKey, RefPtr<IDBKey>& foundPrimaryKey);
virtual PassRefPtr<Cursor> openObjectStoreCursor(int64_t databaseId, int64_t objectStoreId, const IDBKeyRange*, IDBCursor::Direction);
virtual PassRefPtr<Cursor> openIndexKeyCursor(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKeyRange*, IDBCursor::Direction);
virtual PassRefPtr<Cursor> openIndexCursor(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKeyRange*, IDBCursor::Direction);
virtual PassRefPtr<Transaction> createTransaction();
static bool backingStoreExists(SecurityOrigin*, const String& name, const String& pathBase);
protected:
IDBLevelDBBackingStore(const String& identifier, IDBFactoryBackendImpl*, PassOwnPtr<LevelDBDatabase>);
private:
String m_identifier;
RefPtr<IDBFactoryBackendImpl> m_factory;
OwnPtr<LevelDBDatabase> m_db;
OwnPtr<LevelDBComparator> m_comparator;
RefPtr<LevelDBTransaction> m_currentTransaction;
class Transaction : public IDBBackingStore::Transaction {
public:
static PassRefPtr<Transaction> create(IDBLevelDBBackingStore*);
virtual void begin();
virtual bool commit();
virtual void rollback();
private:
Transaction(IDBLevelDBBackingStore*);
IDBLevelDBBackingStore* m_backingStore;
};
};
} // namespace WebCore
#endif // USE(LEVELDB)
#endif // ENABLE(INDEXED_DATABASE)
#endif // IDBLevelDBBackingStore_h
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