AccessChecked.h

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#ifndef IMPL_ACCESSCHECKED_H
#define IMPL_ACCESSCHECKED_H 1


#include "Exceptions.h"

namespace IMPL {
  
  class  LCEventImpl ;
  class  LCCollectionVec ;

  /** Controls access to objects.
   * 
   * @author gaede
   * @version Sep 4, 2003
   */
  class AccessChecked {
    
    friend class LCEventImpl ;     
    friend class LCCollectionVec ; 
    
  public:
    AccessChecked() ;
    virtual int simpleUID() const { return _id ; }

  protected:
    virtual void setReadOnly( bool readOnly ) ;
    
    void checkAccess() throw ( EVENT::ReadOnlyException ) ;
    void checkAccess(const char* what) throw ( EVENT::ReadOnlyException ) ;

  protected: 
    bool _readOnly ;
    int _id ;
    
  };
} // namespace IMPL

#endif /* ifndef IMPL_ACCESSCHECKED_H */

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