eventInstance.h

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/*********************************************************************************
** Copyright (c) 2020 MAK Technologies, Inc.
** All rights reserved.
*********************************************************************************/


#pragma once

#include "legionDataStore/dataTypes.h"
#include "legionDataStore/vector.h"
#include "legionDataStore/objectType.h"

#include "legionDataStore/span.h"


namespace Legion
{
   typedef UInt32 EventType;
   typedef UInt32 ParameterId;
   typedef UInt64 EventHandle;

   class EventManager;
   
   class LEGION_DLL EventInstance
   {
   public:
      EventInstance(const EventInstance& orig);

      EventInstance& operator=(const EventInstance& orig);

      EventHandle handle() const;

      EventType typeId() const;

      template<typename DATA_TYPE>
      DATA_TYPE data(ParameterId parameterId) const;

      template<typename DATA_TYPE>
      const Span<DATA_TYPE> dataArray(ParameterId parameterId) const;

      template<typename DATA_TYPE>
      void setData(ParameterId parameterId, const DATA_TYPE& val);

      template<typename DATA_TYPE>
      void setDataArray(ParameterId parameterId, const Span<DATA_TYPE>& val);

      void setDataArrayLength(ParameterId paramId, UInt32 length);

      UInt32 dataArrayLength(ParameterId paramId) const;

   protected:
      EventInstance(EventHandle handle);
      virtual ~EventInstance();
      friend class EventManager;

   protected:
      EventHandle myHandle;
   };
}