In This Package:

IStage.h

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#ifndef _ISTAGE_H_
#define _ISTAGE_H_ 1

// Include files
#include "FFTimeStamp.h"
#include "GaudiKernel/IAlgTool.h"
#include "GaudiAlg/GaudiAlgorithm.h"
#include "IStageData.h"

// Declaration of the interface ID ( interface id, major version, minor version) 
static const InterfaceID IID_IStage("IStage", 1 , 0); 

class IStage : virtual public IAlgTool {
 public:

  static const InterfaceID& interfaceID() { return IID_IStage; }

  virtual FFTimeStamp currentTime() const = 0;

  virtual StatusCode nextElement(IStageData*& pIStgData,
                                 bool erase=true) = 0;

  virtual StatusCode pushElement(IStageData* pIStgData) = 0;
};

#endif // _ISTAGE_H_

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