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jwellbelove 2014-12-18 20:03:32 +00:00
parent 01f25e42f7
commit a12d64c24e
1 changed files with 10 additions and 6 deletions
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16
observer.h
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@ -42,20 +42,20 @@ SOFTWARE.
/// remain 'abstract' and will not compile. /// remain 'abstract' and will not compile.
/// This ensures that no overload can be forgotten.<br> /// This ensures that no overload can be forgotten.<br>
/// ///
/// \li <b>Subject</b><br> /// \li <b>observable</b><br>
/// The class derived from this will be observed by the above class. /// The class derived from this will be observed by the above class.
/// It keeps a list of registered observers and will notify all /// It keeps a list of registered observers and will notify all
/// of them with the notification when instructed. /// of them with the notifications.
///\ingroup patterns ///\ingroup patterns
//***************************************************************************** //*****************************************************************************
#include <algorithm> #include <algorithm>
#include "vector.h" #include "vector.h"
#include "exception.h" #include "exception.h"
#include "error_handler.h"
namespace etl namespace etl
{ {
#ifdef ETL_THROW_EXCEPTIONS
//*************************************************************************** //***************************************************************************
///\ingroup observer ///\ingroup observer
/// The base class for observer exceptions. /// The base class for observer exceptions.
@ -83,11 +83,10 @@ namespace etl
{ {
} }
}; };
#endif
//********************************************************************* //*********************************************************************
/// The object that is being observed. /// The object that is being observed.
///\tparam TObserver The observer type. ///\tparam TObserver The observer type.
///\tparam MAX_OBSERVERS The maximum number of observers that can be accomodated. ///\tparam MAX_OBSERVERS The maximum number of observers that can be accomodated.
///\ingroup observer ///\ingroup observer
//********************************************************************* //*********************************************************************
@ -103,7 +102,7 @@ namespace etl
//***************************************************************** //*****************************************************************
/// Add an observer to the list. /// Add an observer to the list.
/// If ETL_THROW_EXCEPTIONS is defined then an etl::observable_observer_list_full /// If ETL_THROW_EXCEPTIONS is defined then an etl::observable_observer_list_full
/// is thrown if the observer list is already full. /// is emitted if the observer list is already full.
///\param observer A reference to the observer. ///\param observer A reference to the observer.
//***************************************************************** //*****************************************************************
void add_observer(TObserver& observer) void add_observer(TObserver& observer)
@ -127,6 +126,11 @@ namespace etl
{ {
throw observer_list_full(); throw observer_list_full();
} }
#else
else
{
error_handler::error(observer_list_full());
}
#endif #endif
} }
} }