ConstPtrCache.h

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#ifndef canvas_Persistency_Common_ConstPtrCache_h
#define canvas_Persistency_Common_ConstPtrCache_h
// -*- C++ -*-
//
// Package:     Common
// Class  :     PtrCache
//
/**\class ConstPtrCache ConstPtrCache.h
DataFormats/Common/interface/ConstPtrCache.h

 Description: ROOT safe cache of a pointer

 Usage:
We define an external TStreamer for this class in order to guarantee that ptr_
is always reset to 0 when ever a new instance of this class is read from a file

*/
//
// Original Author:  Chris Jones
//         Created:  Sat Aug 18 17:30:04 EDT 2007
//
//

// system include files

// user include files

// forward declarations
namespace art {
  class ConstPtrCache {

  public:
    ConstPtrCache() : ptr_(0) {}
    ConstPtrCache(const void* iPtr) : ptr_(iPtr) {}

    const void* ptr_;
  };
}
#endif /* canvas_Persistency_Common_ConstPtrCache_h */

// Local Variables:
// mode: c++
// End: