modules/widget_dao/include/dpl/wrt-dao-ro/webruntime_database.h

   1 /*
   2  * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  *    Licensed under the Apache License, Version 2.0 (the "License");
   5  *    you may not use this file except in compliance with the License.
   6  *    You may obtain a copy of the License at
   7  *
   8  *        http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  *    Unless required by applicable law or agreed to in writing, software
  11  *    distributed under the License is distributed on an "AS IS" BASIS,
  12  *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  *    See the License for the specific language governing permissions and
  14  *    limitations under the License.
  15  */
  16 /*
  17  * @file    webruntime_database.h
  18  * @author  Przemyslaw Dobrowolski (p.dobrowolsk@samsung.com)
  19  * @version 1.0
  20  * @brief   This file contains the declaration of webruntime database
  21  */
  22 #ifndef WRT_ENGINE_SRC_CONFIGURATION_WEBRUNTIME_DATABASE_H
  23 #define WRT_ENGINE_SRC_CONFIGURATION_WEBRUNTIME_DATABASE_H
  24
  25 #include <dpl/thread.h>
  26 #include <mutex>
  27
  28 extern std::mutex g_wrtDbQueriesMutex;
  29
  30 #define WRT_DB_INTERNAL(tlsCommand, InternalType, interface)                  \
  31     static DPL::ThreadLocalVariable<InternalType> *tlsCommand##Ptr = NULL;    \
  32     {                                                                         \
  33         std::lock_guard<std::mutex> lock(g_wrtDbQueriesMutex);                \
  34         if (!tlsCommand##Ptr) {                                               \
  35             static DPL::ThreadLocalVariable<InternalType> tmp;                \
  36             tlsCommand##Ptr = &tmp;                                           \
  37         }                                                                     \
  38     }                                                                         \
  39     DPL::ThreadLocalVariable<InternalType> &tlsCommand = *tlsCommand##Ptr;    \
  40     if (!tlsCommand) { tlsCommand = InternalType(interface); }
  41
  42 #define WRT_DB_SELECT(name, type, interface) WRT_DB_INTERNAL(name,            \
  43                                                              type::Select,    \
  44                                                              interface)
  45
  46 #define WRT_DB_INSERT(name, type, interface) WRT_DB_INTERNAL(name,            \
  47                                                              type::Insert,    \
  48                                                              interface)
  49
  50 #define WRT_DB_UPDATE(name, type, interface) WRT_DB_INTERNAL(name,            \
  51                                                              type::Update,    \
  52                                                              interface)
  53
  54 #define WRT_DB_DELETE(name, type, interface) WRT_DB_INTERNAL(name,            \
  55                                                              type::Delete,    \
  56                                                              interface)
  57
  58 #endif // WRT_ENGINE_SRC_CONFIGURATION_WEBRUNTIME_DATABASE_H