modules/auto_save_dao/include/wrt-commons/auto-save-dao/AutoSaveDatabase.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 #ifndef _AUTOSAVEDATABASE_H_
  18 #define _AUTOSAVEDATABASE_H_
  19
  20 #include <dpl/thread.h>
  21 #include <dpl/mutex.h>
  22 #include <dpl/db/thread_database_support.h>
  23
  24 extern DPL::Mutex g_autoSaveDbQueriesMutex;
  25
  26 #define AUTOSAVE_DB_INTERNAL(tlsCommand, InternalType, interface)            \
  27     static DPL::ThreadLocalVariable<InternalType> *tlsCommand ## Ptr = NULL; \
  28     {                                                                        \
  29         DPL::Mutex::ScopedLock lock(&g_autoSaveDbQueriesMutex);              \
  30         if (!tlsCommand ## Ptr) {                                            \
  31             static DPL::ThreadLocalVariable<InternalType> tmp;               \
  32             tlsCommand ## Ptr = &tmp;                                        \
  33         }                                                                    \
  34     }                                                                        \
  35     DPL::ThreadLocalVariable<InternalType> &tlsCommand = *tlsCommand ## Ptr; \
  36     if (tlsCommand.IsNull()) { tlsCommand = InternalType(interface); }
  37
  38 #define AUTOSAVE_DB_SELECT(name, type, interface) \
  39     AUTOSAVE_DB_INTERNAL(name, type::Select, interface)
  40
  41 #define AUTOSAVE_DB_INSERT(name, type, interface) \
  42     AUTOSAVE_DB_INTERNAL(name, type::Insert, interface)
  43
  44 #define AUTOSAVE_DB_UPDATE(name, type, interface) \
  45     AUTOSAVE_DB_INTERNAL(name, type::Update, interface)
  46
  47 #define AUTOSAVE_DB_DELETE(name, type, interface) \
  48     AUTOSAVE_DB_INTERNAL(name, type::Delete, interface)
  49
  50 namespace AutoSaveDB {
  51 namespace Interface {
  52
  53 extern DPL::DB::ThreadDatabaseSupport m_autoSavedbInterface;
  54
  55 } // namespace Interface
  56 } // namespace AutoSaveDB
  57
  58 #endif /* _AUTOSAVEDATABASE_H_ */
  59