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29 
30 #ifndef __IDATAITEMOBSERVER_H__
31 #define __IDATAITEMOBSERVER_H__
32 
33 #include  <list>
34 #include <string>
35 
36 using namespace std;
37 
38 namespace loc_core
39 {
40 class IDataItemCore;
41 
42 /**
43  * @brief IDataItemObserver interface
44  * @details IDataItemObserver interface;
45  *          In OS dependent code this type serves as a handle to an OS independent instance of this interface.
46  */
47 class IDataItemObserver {
48 
49 public:
50 
51     /**
52      * @brief Gets name of Data Item Observer
53      * @details Gets name of Data Item Observer
54      *
55      * @param name reference to name of Data Item Observer
56      */
57     virtual void getName (string & name) = 0;
58 
59     /**
60      * @brief Notify updated values of Data Items
61      * @details Notifys updated values of Data items
62      *
63      * @param dlist List of updated data items
64      */
65     virtual void notify (const std :: list <IDataItemCore *> & dlist)  = 0;
66 
67     /**
68      * @brief Destructor
69      * @details Destructor
70      */
~IDataItemObserver()71     virtual ~IDataItemObserver () {}
72 };
73 
74 } // namespace loc_core
75 
76 #endif // #ifndef __IDATAITEMOBSERVER_H__
77