modules/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
  27 void attachDatabaseRO();
  28 void attachDatabaseRW();
  29 void detachDatabase();
  30
  31 extern DPL::Mutex g_dbQueriesMutex;
  32 extern DPL::DB::ThreadDatabaseSupport g_dbInterface;
  33
  34 } // namespace Interface
  35 } // namespace CustomHandlerDB
  36
  37 #define CUSTOM_HANDLER_DB_INTERNAL(tlsCommand, InternalType)                   \
  38     static DPL::ThreadLocalVariable<InternalType> *tlsCommand ## Ptr = NULL;   \
  39     {                                                                          \
  40         DPL::Mutex::ScopedLock lock(                                           \
  41                 &CustomHandlerDB::Interface::g_dbQueriesMutex);                \
  42         if (!tlsCommand ## Ptr) {                                              \
  43             static DPL::ThreadLocalVariable<InternalType> tmp;                 \
  44             tlsCommand ## Ptr = &tmp;                                          \
  45         }                                                                      \
  46     }                                                                          \
  47     DPL::ThreadLocalVariable<InternalType> &tlsCommand = *tlsCommand ## Ptr;   \
  48     if (tlsCommand.IsNull())                                                   \
  49     {                                                                          \
  50         tlsCommand = InternalType(&CustomHandlerDB::Interface::g_dbInterface); \
  51     }
  52
  53 #define CUSTOM_HANDLER_DB_SELECT(name, type) \
  54         CUSTOM_HANDLER_DB_INTERNAL(name, type::Select)
  55
  56 #define CUSTOM_HANDLER_DB_INSERT(name, type) \
  57         CUSTOM_HANDLER_DB_INTERNAL(name, type::Insert)
  58
  59 #define CUSTOM_HANDLER_DB_UPDATE(name, type) \
  60         CUSTOM_HANDLER_DB_INTERNAL(name, type::Update)
  61
  62 #define CUSTOM_HANDLER_DB_DELETE(name, type) \
  63         CUSTOM_HANDLER_DB_INTERNAL(name, type::Delete)
  64
  65 #endif /* _CUSTOM_HANDLER_DATABASE_H_ */
  66