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CdbBdbCache.hh

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#ifndef CDBBDB_CACHE_HH
#define CDBBDB_CACHE_HH

// File and Version Information:
//      $Id: CdbBdbCache.hh,v 1.3 2004/10/21 20:35:49 gapon Exp $

#include "CdbBase/CdbCommon.hh"

template< class Object > class CdbItr;

/// An interface to the caching facility
/**
  * This class provides a cache interface for persistent object references.
  *
  * The cache is maintained through two parameters: "theKeyRef"
  * which serves as a key, and the "theValueRef" which represents
  * a value for the key.
  */
template< class Object >
class CdbBdbCache {

public:

  /// Destructor
  /**
    * Moe details...
    */
    virtual ~CdbBdbCache( );

  // Operations

    virtual void addObject( const Object& theKeyRef,
                            const Object& theValueRef ) = 0;

    virtual Object findObject( const Object& theKeyRef ) const = 0;

    virtual CdbItr< Object > iterator( ) const = 0;
};

#ifdef    BABAR_COMP_INST
#include "CdbBdb/CdbBdbCache.cc"
#endif /* BABAR_COMP_INST */

#endif /* CDBBDB_CACHE_HH */

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