1/* 2 * Copyright (C) 2011 Google Inc. All rights reserved. 3 * 2013 Apple Inc. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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 INC. AND ITS CONTRIBUTORS ``AS IS'' 15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 18 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 24 * THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27#ifndef IDBIndexWriterLevelDB_h 28#define IDBIndexWriterLevelDB_h 29 30#include "IDBBackingStoreLevelDB.h" 31#include "IDBDatabaseBackend.h" 32#include "IDBDatabaseMetadata.h" 33#include <wtf/RefCounted.h> 34 35#if ENABLE(INDEXED_DATABASE) 36#if USE(LEVELDB) 37 38namespace WebCore { 39 40typedef Vector<RefPtr<IDBKey>> IndexKeys; 41 42class IDBIndexWriterLevelDB : public RefCounted<IDBIndexWriterLevelDB> { 43public: 44 static PassRefPtr<IDBIndexWriterLevelDB> create(const IDBIndexMetadata& indexMetadata, const IndexKeys& indexKeys) 45 { 46 return adoptRef(new IDBIndexWriterLevelDB(indexMetadata, indexKeys)); 47 } 48 49 bool verifyIndexKeys(IDBBackingStoreLevelDB&, IDBBackingStoreTransactionLevelDB&, int64_t databaseId, int64_t objectStoreId, int64_t indexId, bool& canAddKeys, const IDBKey* primaryKey = 0, String* errorMessage = 0) const WARN_UNUSED_RETURN; 50 51 void writeIndexKeys(const IDBRecordIdentifier*, IDBBackingStoreLevelDB&, IDBBackingStoreTransactionLevelDB&, int64_t databaseId, int64_t objectStoreId) const; 52 53private: 54 IDBIndexWriterLevelDB(const IDBIndexMetadata&, const IndexKeys&); 55 56 bool addingKeyAllowed(IDBBackingStoreLevelDB&, IDBBackingStoreTransactionLevelDB&, int64_t databaseId, int64_t objectStoreId, int64_t indexId, const IDBKey* indexKey, const IDBKey* primaryKey, bool& allowed) const WARN_UNUSED_RETURN; 57 58 const IDBIndexMetadata m_indexMetadata; 59 IndexKeys m_indexKeys; 60}; 61 62} // namespace WebCore 63 64#endif // #if USE(LEVELDB) 65#endif // ENABLE(INDEXED_DATABASE) 66#endif // IDBIndexWriterLevelDB_h 67