ConditionsDataLoader.h

Go to the documentation of this file.

// $Id$
//==========================================================================
//  AIDA Detector description implementation for LCD
//--------------------------------------------------------------------------
// Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
// All rights reserved.
//
// For the licensing terms see $DD4hepINSTALL/LICENSE.
// For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
//
// Author     : M.Frank
//
//==========================================================================
#ifndef DDCOND_CONDITIONSDATALOADER_H
#define DDCOND_CONDITIONSDATALOADER_H

// Framework include files
#include "DD4hep/Conditions.h"
#include "DD4hep/NamedObject.h"
#include "DD4hep/ComponentProperties.h"
#include "DDCond/ConditionsManager.h"

// C/C++ include files
#include <list>
#include <set>

namespace DD4hep {

  namespace Conditions {

    // Forward declarations
    class Entry;
    class ConditionsDataLoader;
    typedef std::list<Entry*> ConditionsStack;


    class ConditionsDataLoader : public NamedObject, public PropertyConfigurable   {
    public:
      typedef std::pair<std::string, IOV> Source;
      typedef std::vector<Source>         Sources;
      typedef ConditionsDataLoader        base_t;
      typedef Condition::iov_type         iov_type;
      typedef Condition::key_type         key_type;

    protected:
      LCDD&             m_lcdd;
      ConditionsManager m_mgr;
      Sources           m_sources;

    protected:
      Condition queueUpdate(Entry* data);
      void pushUpdates();

    public:
      ConditionsDataLoader(LCDD& lcdd, ConditionsManager mgr, const std::string nam);
      virtual ~ConditionsDataLoader();
      void addSource(const std::string& source, const iov_type& iov);
      virtual size_t load(key_type key,
                          const iov_type& req_validity,
                          RangeConditions& conditions) = 0;
      virtual size_t load_range(key_type key,
                                const iov_type& req_validity,
                                RangeConditions& conditions) = 0;
      virtual size_t update(const iov_type& req_validity,
                            RangeConditions& conditions,
                            iov_type& conditions_validity) = 0;
    };

  } /* End namespace Conditions             */
} /* End namespace DD4hep                   */

#endif     /* DDCOND_CONDITIONSDATALOADER_H    */