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CdbAlwaysClosePolicy.hh

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#ifndef CDB_ALWAYS_CLOSE_POLICY_HH
#define CDB_ALWAYS_CLOSE_POLICY_HH

// File and Version Information:
//      $Id: CdbAlwaysClosePolicy.hh,v 1.3 2004/07/13 01:41:48 gapon Exp $

#include "CdbBase/CdbCommon.hh"

/// This is a policy class meant to parametrize smart pointer classes
/**
  * This class is passed as a parameter to the counted smart pointer
  * classes in order to close a pointed object (pointee) when (right before)
  * it's going to be destroyed.
  *
  * This particular implementation ensures that a pointed object gets
  * always closed before deleted. This means that some interraction
  * with this class takes place. So we expect the pointee class to
  * expose the following interface:
  *
  * @code
  *     class P ... {
  *     public:
  *         ...
  *         bool isOpen( );
  *         void close( );
  *     };
  * @endcode 
  */
template < class P >
class CdbAlwaysClosePolicy {

public:

  /// Close specified pointer
  /**
    * In accordance with this policy this method interracts with
    * specified object and makes sure it's closed.
    */
    static void close( P* ptr );
};

#ifdef     BABAR_COMP_INST
#include "CdbBase/CdbAlwaysClosePolicy.cc"
#endif  // BABAR_COMP_INST

#endif  // CDB_ALWAYS_CLOSE_POLICY_HH

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