Bdb packages | Design docs | Source docs | Guidelines | Recent releases
	Search | Site Map .

                 

---

/BdbCondRemote/BdbCondRInfoCache.hh

Go to the documentation of this file.

//-----------------------------------------------------------------------------
//
// File and Version Information:
//      $Id: BdbCondRInfoCache.hh,v 1.2 2000/07/17 21:44:33 gapon Exp $
//
// Description:
//      This class represents a top cache object of the hierarchical
//      heterogeneous cache for the Info server.
//
// Environment:
//      Software developed for the BaBar Detector at the SLAC B-Factory.
//
// Author List:
//      Igor A. Gaponenko       Original Author
//
// Copyright Information:
//      Copyright (C) 2000      Lawrence Berkeley Laboratory
//
//-----------------------------------------------------------------------------

#ifndef BDBCONDRINFOCACHE_HH
#define BDBCONDRINFOCACHE_HH

// -------------------
// -- BaBar Headers --
// -------------------

#include "BaBar/BaBar.hh"

//-------------------------------
// Collaborating Class Headers --
//-------------------------------

#include "BdbCondRemote/BdbCondRCacheNode.hh"
#include "BdbCondRemote/BdbCondReadWriteLock.hh"

class BdbCondRInfoFederation;
class BdbCondRInfoSnapshot;
class BdbCondRInfoDetector;
class BdbCondRInfoOrigin;
class BdbCondRInfoContainer;

// ---------------------
// -- Class Interface --
// ---------------------
 
class BdbCondRInfoCache : public BdbCondRCacheNode<BdbCondRInfoFederation> {

public:

  // Constructor(s).

    BdbCondRInfoCache( );

  // Destructor

    virtual ~BdbCondRInfoCache( );

  // Accessors

    inline bool isValid( ) const;

    inline BdbCondReadWriteLock& getLock( );

  // Operations

    inline void setValid( bool isValidFlag );

  /** The following "find" methods will make their search down the hierarchical
   ** cache tree and return a pointer to the corresponding object or just null
   ** if none was found.
   **/
    BdbCondRInfoFederation* findFederation( const char* theFederationName );

    BdbCondRInfoSnapshot* findSnapshot( const char* theFederationName,
                                        const char* theSnapshotName );

    BdbCondRInfoDetector* findDetector( const char* theFederationName,
                                        const char* theSnapshotName,
                                        const char* theDetectorName );

    BdbCondRInfoOrigin* findOrigin(  const char* theFederationName,
                                     const char* theSnapshotName,
                                     const char* theDetectorName,
                                     const char* theOriginName );

    BdbCondRInfoContainer* findContainer(  const char* theFederationName,
                                           const char* theSnapshotName,
                                           const char* theDetectorName,
                                           const char* theOriginName,
                                           const char* theContainerName );

  /** Invalidate the cache and release the allocated data structures.
   **
   ** NOTE: This method _extends_ the one defined in the base class in order
   **       to reset the locally defined data structures in addition to what
   **       is done in the base class.
   **/
    virtual void clear( );

private:

  // The copy constructor and assignment operator are not available
  // to end users because the semantics of these operations
  // is not defined yet.

    BdbCondRInfoCache( const BdbCondRInfoCache& theCache );

  // Operators

    BdbCondRInfoCache& operator=( const BdbCondRInfoCache& theCache );

private:

  // The current state of this cache.

    bool _isValid;

  // The synchronizer controlling access to this cache.

    BdbCondReadWriteLock _myLock;
};

// ----------------------------
// -- Inline implementations --
// ----------------------------

inline bool
BdbCondRInfoCache::isValid( ) const
{
    return _isValid;
}

inline BdbCondReadWriteLock&
BdbCondRInfoCache::getLock( )
{
    return _myLock;
}

inline void
BdbCondRInfoCache::setValid( bool isValidFlag )
{
    _isValid = isValidFlag;
}

#endif /* BDBCONDRINFOCACHE_HH */

 

---

BaBar Public Site | SLAC | News | Links | Who's Who | Contact Us

Page Owner: Jacek Becla
Last Update: October 04, 2002