emcObjectManager.h

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#ifndef __EMCOBJECTMANAGER_H__
#define __EMCOBJECTMANAGER_H__

#ifndef __EMCNAMED_H__
#include "emcNamed.h"
#endif

class emcManageable;
class PHTimeStamp;
class emcDataManager;

class emcObjectManager : public emcNamed
{

public:

  emcObjectManager(const char* name = "", const char* title = "");

  virtual ~emcObjectManager();

  virtual bool CanCollect(const emcManageable&) const
  {
    return false;
  }

  virtual bool CanHandle(const emcManageable& object) const;

  virtual bool CanWrite(const emcManageable& /*object*/) const
  {
    return false;
  }

  virtual bool CanRead(const emcManageable& /*object*/) const
  {
    return false;
  }

  virtual emcManageable* Collect(const emcManageable& /*object*/,
                                 const PHTimeStamp& /*when*/)
  {
    return 0;
  }


  static emcDataManager* DataManager(void);
  static emcDataManager* DM(void)
  {
    return DataManager();
  }

  virtual bool Read(emcManageable& object,
                    const PHTimeStamp& time_stamp,
                    int id) = 0;


  virtual bool Read(emcManageable& /*object*/, int /*runnumber*/)
  {
    return false;
  }

  virtual bool ReadPreviousVersion(emcManageable& object,
                                   const PHTimeStamp& time_stamp,
                                   int id,
                                   int /*version*/ = 0)
  {
    return Read(object, time_stamp, id);
  }

  virtual void Reset(void) = 0;

  virtual bool Write(const emcManageable& object,
                     const PHTimeStamp& tStart,
                     int id = -1) = 0;
};

#endif