modules_mobile/custom_handler_dao/include/wrt-commons/custom-handler-dao-ro/CustomHandlerDatabase.h

   1 /*
   2  * Copyright (c) 2012 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 _CUSTOM_HANDLER_DATABASE_H_
  18 #define _CUSTOM_HANDLER_DATABASE_H_
  19
  20 #include <dpl/thread.h>
  21 #include <dpl/mutex.h>
  22 #include <dpl/db/thread_database_support.h>
  23
  24 namespace CustomHandlerDB {
  25 namespace Interface {
  26 void attachDatabaseRO();
  27 void attachDatabaseRW();
  28 void detachDatabase();
  29
  30 extern DPL::Mutex g_dbQueriesMutex;
  31 extern DPL::DB::ThreadDatabaseSupport g_dbInterface;
  32 } // namespace Interface
  33 } // namespace CustomHandlerDB
  34
  35 #define CUSTOM_HANDLER_DB_INTERNAL(tlsCommand, InternalType)                   \
  36     static DPL::ThreadLocalVariable<InternalType> *tlsCommand##Ptr = NULL;   \
  37     {                                                                          \
  38         DPL::Mutex::ScopedLock lock(                                           \
  39             &CustomHandlerDB::Interface::g_dbQueriesMutex);                \
  40         if (!tlsCommand##Ptr) {                                              \
  41             static DPL::ThreadLocalVariable<InternalType> tmp;                 \
  42             tlsCommand##Ptr = &tmp;                                          \
  43         }                                                                      \
  44     }                                                                          \
  45     DPL::ThreadLocalVariable<InternalType> &tlsCommand = *tlsCommand##Ptr;   \
  46     if (tlsCommand.IsNull())                                                   \
  47     {                                                                          \
  48         tlsCommand = InternalType(&CustomHandlerDB::Interface::g_dbInterface); \
  49     }
  50
  51 #define CUSTOM_HANDLER_DB_SELECT(name, type) \
  52     CUSTOM_HANDLER_DB_INTERNAL(name, type::Select)
  53
  54 #define CUSTOM_HANDLER_DB_INSERT(name, type) \
  55     CUSTOM_HANDLER_DB_INTERNAL(name, type::Insert)
  56
  57 #define CUSTOM_HANDLER_DB_UPDATE(name, type) \
  58     CUSTOM_HANDLER_DB_INTERNAL(name, type::Update)
  59
  60 #define CUSTOM_HANDLER_DB_DELETE(name, type) \
  61     CUSTOM_HANDLER_DB_INTERNAL(name, type::Delete)
  62
  63 #endif /* _CUSTOM_HANDLER_DATABASE_H_ */
  64