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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 IDBBackingStore_h
#define IDBBackingStore_h
#if ENABLE(INDEXED_DATABASE)
#include "IDBCursor.h"
#include "IDBFactoryBackendInterface.h"
#include "SQLiteDatabase.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>
namespace WebCore {
class IDBKey;
class IDBKeyRange;
class SecurityOrigin;
class IDBBackingStore : public RefCounted<IDBBackingStore> {
public:
virtual ~IDBBackingStore() {};
virtual void getDatabaseNames(Vector<String>& foundNames) = 0;
virtual bool getIDBDatabaseMetaData(const String& name, String& foundVersion, int64_t& foundId) = 0;
virtual bool createIDBDatabaseMetaData(const String& name, const String& version, int64_t& rowId) = 0;
virtual bool updateIDBDatabaseMetaData(int64_t rowId, const String& version) = 0;
virtual bool deleteDatabase(const String& name) = 0;
virtual void getObjectStores(int64_t databaseId, Vector<int64_t>& foundIds, Vector<String>& foundNames, Vector<IDBKeyPath>& foundKeyPaths, Vector<bool>& foundAutoIncrementFlags) = 0;
virtual bool createObjectStore(int64_t databaseId, const String& name, const IDBKeyPath&, bool autoIncrement, int64_t& assignedObjectStoreId) = 0;
virtual void deleteObjectStore(int64_t databaseId, int64_t objectStoreId) = 0;
class ObjectStoreRecordIdentifier : public RefCounted<ObjectStoreRecordIdentifier> {
public:
virtual bool isValid() const = 0;
virtual ~ObjectStoreRecordIdentifier() {}
};
virtual PassRefPtr<ObjectStoreRecordIdentifier> createInvalidRecordIdentifier() = 0;
virtual String getObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, const IDBKey&) = 0;
virtual bool putObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, const IDBKey&, const String& value, ObjectStoreRecordIdentifier*) = 0;
virtual void clearObjectStore(int64_t databaseId, int64_t objectStoreId) = 0;
virtual void deleteObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, const ObjectStoreRecordIdentifier*) = 0;
virtual int64_t getKeyGeneratorCurrentNumber(int64_t databaseId, int64_t objectStoreId) = 0;
virtual bool maybeUpdateKeyGeneratorCurrentNumber(int64_t databaseId, int64_t objectStoreId, int64_t newNumber, bool checkCurrent) = 0;
virtual bool keyExistsInObjectStore(int64_t databaseId, int64_t objectStoreId, const IDBKey&, ObjectStoreRecordIdentifier* foundRecordIdentifier) = 0;
class ObjectStoreRecordCallback {
public:
virtual bool callback(const ObjectStoreRecordIdentifier*, const String& value) = 0;
virtual ~ObjectStoreRecordCallback() {};
};
virtual bool forEachObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, ObjectStoreRecordCallback&) = 0;
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) = 0;
virtual bool createIndex(int64_t databaseId, int64_t objectStoreId, const String& name, const IDBKeyPath&, bool isUnique, bool isMultiEntry, int64_t& indexId) = 0;
virtual void deleteIndex(int64_t databaseId, int64_t objectStoreId, int64_t indexId) = 0;
virtual bool putIndexDataForRecord(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey&, const ObjectStoreRecordIdentifier*) = 0;
virtual bool deleteIndexDataForRecord(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const ObjectStoreRecordIdentifier*) = 0;
virtual PassRefPtr<IDBKey> getPrimaryKeyViaIndex(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey&) = 0;
virtual bool keyExistsInIndex(int64_t databaseid, int64_t objectStoreId, int64_t indexId, const IDBKey& indexKey, RefPtr<IDBKey>& foundPrimaryKey) = 0;
class Cursor : public RefCounted<Cursor> {
public:
enum IteratorState {
Ready = 0,
Seek
};
virtual PassRefPtr<Cursor> clone() = 0;
virtual bool advance(unsigned long) = 0;
virtual bool continueFunction(const IDBKey* = 0, IteratorState = Seek) = 0;
virtual PassRefPtr<IDBKey> key() = 0;
virtual PassRefPtr<IDBKey> primaryKey() = 0;
virtual String value() = 0;
virtual PassRefPtr<ObjectStoreRecordIdentifier> objectStoreRecordIdentifier() = 0;
virtual int64_t indexDataId() = 0;
virtual void close() = 0;
virtual ~Cursor() { };
};
virtual PassRefPtr<Cursor> openObjectStoreCursor(int64_t databaseId, int64_t objectStoreId, const IDBKeyRange*, IDBCursor::Direction) = 0;
virtual PassRefPtr<Cursor> openIndexKeyCursor(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKeyRange*, IDBCursor::Direction) = 0;
virtual PassRefPtr<Cursor> openIndexCursor(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKeyRange*, IDBCursor::Direction) = 0;
class Transaction : public RefCounted<Transaction> {
public:
virtual ~Transaction() { }
virtual void begin() = 0;
virtual bool commit() = 0;
virtual void rollback() = 0;
};
virtual PassRefPtr<Transaction> createTransaction() = 0;
};
} // namespace WebCore
#endif
#endif // IDBBackingStore_h
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