1 /* 2 * Copyright (C) 2011 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef IDBLevelDBBackingStore_h 27 #define IDBLevelDBBackingStore_h 28 29 #if ENABLE(INDEXED_DATABASE) 30 #if ENABLE(LEVELDB) 31 32 #include "IDBBackingStore.h" 33 #include <wtf/OwnPtr.h> 34 35 namespace WebCore { 36 37 class LevelDBComparator; 38 class LevelDBDatabase; 39 40 class IDBLevelDBBackingStore : public IDBBackingStore { 41 public: 42 static PassRefPtr<IDBBackingStore> open(SecurityOrigin*, const String& pathBase, int64_t maximumSize, const String& fileIdentifier, IDBFactoryBackendImpl*); 43 virtual ~IDBLevelDBBackingStore(); 44 45 virtual bool extractIDBDatabaseMetaData(const String& name, String& foundVersion, int64_t& foundId); 46 virtual bool setIDBDatabaseMetaData(const String& name, const String& version, int64_t& rowId, bool invalidRowId); 47 48 virtual void getObjectStores(int64_t databaseId, Vector<int64_t>& foundIds, Vector<String>& foundNames, Vector<String>& foundKeyPaths, Vector<bool>& foundAutoIncrementFlags); 49 virtual bool createObjectStore(int64_t databaseId, const String& name, const String& keyPath, bool autoIncrement, int64_t& assignedObjectStoreId); 50 virtual void deleteObjectStore(int64_t databaseId, int64_t objectStoreId); 51 virtual PassRefPtr<ObjectStoreRecordIdentifier> createInvalidRecordIdentifier(); 52 virtual String getObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, const IDBKey&); 53 virtual bool putObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, const IDBKey&, const String& value, ObjectStoreRecordIdentifier*); 54 virtual void clearObjectStore(int64_t databaseId, int64_t objectStoreId); 55 virtual void deleteObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, const ObjectStoreRecordIdentifier*); 56 virtual double nextAutoIncrementNumber(int64_t databaseId, int64_t objectStoreId); 57 virtual bool keyExistsInObjectStore(int64_t databaseId, int64_t objectStoreId, const IDBKey&, ObjectStoreRecordIdentifier* foundRecordIdentifier); 58 59 virtual bool forEachObjectStoreRecord(int64_t databaseId, int64_t objectStoreId, ObjectStoreRecordCallback&); 60 61 virtual void getIndexes(int64_t databaseId, int64_t objectStoreId, Vector<int64_t>& foundIds, Vector<String>& foundNames, Vector<String>& foundKeyPaths, Vector<bool>& foundUniqueFlags); 62 virtual bool createIndex(int64_t databaseId, int64_t objectStoreId, const String& name, const String& keyPath, bool isUnique, int64_t& indexId); 63 virtual void deleteIndex(int64_t databaseId, int64_t objectStoreId, int64_t indexId); 64 virtual bool putIndexDataForRecord(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey&, const ObjectStoreRecordIdentifier*); 65 virtual bool deleteIndexDataForRecord(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const ObjectStoreRecordIdentifier*); 66 virtual String getObjectViaIndex(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey&); 67 virtual PassRefPtr<IDBKey> getPrimaryKeyViaIndex(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey&); 68 virtual bool keyExistsInIndex(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey&); 69 70 virtual PassRefPtr<Cursor> openObjectStoreCursor(int64_t databaseId, int64_t objectStoreId, const IDBKeyRange*, IDBCursor::Direction); 71 virtual PassRefPtr<Cursor> openIndexKeyCursor(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKeyRange*, IDBCursor::Direction); 72 virtual PassRefPtr<Cursor> openIndexCursor(int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKeyRange*, IDBCursor::Direction); 73 74 virtual PassRefPtr<Transaction> createTransaction(); 75 76 private: 77 IDBLevelDBBackingStore(String identifier, IDBFactoryBackendImpl*, LevelDBDatabase*); 78 79 String m_identifier; 80 RefPtr<IDBFactoryBackendImpl> m_factory; 81 OwnPtr<LevelDBDatabase> m_db; 82 OwnPtr<LevelDBComparator> m_comparator; 83 }; 84 85 } // namespace WebCore 86 87 88 #endif // ENABLE(LEVELDB) 89 #endif // ENABLE(INDEXED_DATABASE) 90 91 #endif // IDBLevelDBBackingStore_h 92