OSDLEngineCommon.h

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#ifndef OSDL_ENGINE_COMMON_H_
#define OSDL_ENGINE_COMMON_H_



#include "OSDLException.h"            // for Exception

#include <string>
#include <list>



/*
 * This file has for purpose to solve all intricated dependency links 
 * existing between the scheduler, the active objects and the periodic slots.
 *
 */
 
 

namespace OSDL
{


    namespace Engine 
    {
    
    
        
        // Forward declaration.
        class ActiveObject ;
        
        
        class OSDL_DLL EngineException : public OSDL::Exception
        {
            public:
        
                explicit EngineException( const std::string & reason ) throw() ;
                virtual ~EngineException() throw() ;
            
        } ;

        
        
        class OSDL_DLL SchedulingException : public EngineException
        {
            public:
        
                explicit SchedulingException( const std::string & reason )
                    throw() ;
                virtual ~SchedulingException() throw() ;
            
        } ;


        typedef std::list<ActiveObject *> ListOfActiveObjects ;
        


        typedef Ceylan::Uint16 Weight ;
        
        
        enum ObjectSchedulingPolicy { relaxed, strict } ;
        
    
    
    }
    
}   


#endif // OSDL_ENGINE_COMMON_H_

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