1 // Copyright 2010-2018, Google Inc. 2 // 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 are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above 11 // copyright notice, this list of conditions and the following disclaimer 12 // in the documentation and/or other materials provided with the 13 // distribution. 14 // * Neither the name of Google Inc. nor the names of its 15 // contributors may be used to endorse or promote products derived from 16 // this software without specific prior written permission. 17 // 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 #ifndef MOZC_STORAGE_TINY_STORAGE_H_ 31 #define MOZC_STORAGE_TINY_STORAGE_H_ 32 33 #include "base/port.h" 34 #include "storage/storage_interface.h" 35 36 namespace mozc { 37 namespace storage { 38 39 // Very simple and tiny key/value storage. 40 // Use it just for saving small data which 41 // are not updated frequently, like timestamp, auth_token, etc. 42 // We will replace it with faster and more robust implementation. 43 class TinyStorage { 44 public: 45 // Returns an implementatoin of StorageInterface. 46 // Caller must take ownership of the returned object. 47 // Returns NULL if fails. 48 static StorageInterface *New(); 49 static StorageInterface *Create(const char *filename); 50 51 private: 52 DISALLOW_IMPLICIT_CONSTRUCTORS(TinyStorage); 53 }; 54 55 } // namespace storage 56 } // namespace mozc 57 58 #endif // MOZC_STORAGE_TINY_STORAGE_H_ 59