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      1 /* Copyright (c) 2017, The Linux Foundation. All rights reserved.
      2  *
      3  * Redistribution and use in source and binary forms, with or without
      4  * modification, are permitted provided that the following conditions are
      5  * met:
      6  *     * Redistributions of source code must retain the above copyright
      7  *       notice, this list of conditions and the following disclaimer.
      8  *     * Redistributions in binary form must reproduce the above
      9  *       copyright notice, this list of conditions and the following
     10  *       disclaimer in the documentation and/or other materials provided
     11  *       with the distribution.
     12  *     * Neither the name of The Linux Foundation, nor the names of its
     13  *       contributors may be used to endorse or promote products derived
     14  *       from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
     19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
     23  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     24  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
     25  * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
     26  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  *
     28  */
     29 
     30 #ifndef __DATAITEMFACTORYBASE__
     31 #define __DATAITEMFACTORYBASE__
     32 
     33 #include <DataItemId.h>
     34 #include <IDataItemCore.h>
     35 
     36 namespace loc_core
     37 {
     38 
     39 #define DATA_ITEMS_LIB_NAME "libdataitems.so"
     40 #define DATA_ITEMS_GET_CONCRETE_DI "getConcreteDataItem"
     41 
     42 typedef IDataItemCore * (get_concrete_data_item_fn)(DataItemId);
     43 
     44 class DataItemsFactoryProxy {
     45 public:
     46     static IDataItemCore* createNewDataItem(DataItemId id);
     47     static void closeDataItemLibraryHandle();
     48     static void *dataItemLibHandle;
     49     static get_concrete_data_item_fn *getConcreteDIFunc;
     50 };
     51 
     52 } // namespace loc_core
     53 
     54 #endif //__DATAITEMFACTORYBASE__
     55 
     56