/* * 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 LevelDBDatabase_h #define LevelDBDatabase_h #if USE(LEVELDB) #include <wtf/OwnPtr.h> #include <wtf/PassOwnPtr.h> #include <wtf/Vector.h> #include <wtf/text/WTFString.h> namespace leveldb { class Comparator; class DB; class Env; } namespace WebCore { class LevelDBComparator; class LevelDBIterator; class LevelDBSlice; class LevelDBWriteBatch; class LevelDBDatabase { public: static PassOwnPtr<LevelDBDatabase> open(const String& fileName, const LevelDBComparator*); static PassOwnPtr<LevelDBDatabase> openInMemory(const LevelDBComparator*); static bool destroy(const String& fileName); ~LevelDBDatabase(); bool put(const LevelDBSlice& key, const Vector<char>& value); bool remove(const LevelDBSlice& key); bool get(const LevelDBSlice& key, Vector<char>& value); bool write(LevelDBWriteBatch&); PassOwnPtr<LevelDBIterator> createIterator(); const LevelDBComparator* comparator() const; private: LevelDBDatabase(); OwnPtr<leveldb::Env> m_env; OwnPtr<leveldb::Comparator> m_comparatorAdapter; OwnPtr<leveldb::DB> m_db; const LevelDBComparator* m_comparator; }; } #endif #endif