/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/EventLoop/EventLoop/Algorithm.h

#ifndef EVENT_LOOP_ALGORITHM_HH
#define EVENT_LOOP_ALGORITHM_HH

//          Copyright Nils Krumnack 2011 - 2012.
// Distributed under the Boost Software License, Version 1.0.
//    (See accompanying file LICENSE_1_0.txt or copy at
//          http://www.boost.org/LICENSE_1_0.txt)

// Please feel free to contact me (krumnack@iastate.edu) for bug
// reports, feature suggestions, praise and complaints.





#include <EventLoop/Global.h>

#include <TNamed.h>
#include <EventLoop/StatusCode.h>

class TH1;
class MsgStream;

namespace EL
{
  class Algorithm : public TNamed
  {
    //
    // public interface
    //

  public:
    void testInvariant () const;


  public:
    Algorithm ();


  public:
    ~Algorithm ();


  public:
    Worker *wk () const;


  public:
    void book (const TH1& hist);


  public:
    TH1 *hist (const std::string& name) const;




  public:
    MsgStream& msg () const;


  public:
    MsgStream& msg (int level) const;


  public:
    bool msgLvl (int lvl) const;


  public:
    void setMsgLevel (int level);




    //
    // virtual interface
    //

  private:
    virtual StatusCode setupJob (Job& job);


  private:
    virtual StatusCode fileExecute ();


  private:
    virtual StatusCode endOfFile ();


  private:
    virtual StatusCode changeInput (bool firstFile);


  private:
    virtual StatusCode initialize ();


  private:
    virtual StatusCode histInitialize ();


  private:
    virtual StatusCode execute ();


  private:
    virtual StatusCode postExecute ();


  private:
    virtual StatusCode finalize ();


  private:
    virtual StatusCode histFinalize ();


  private:
    virtual bool hasName (const std::string& name) const;



    //
    // friend interface for Job
    //

#if 1
    friend class Job;
  private:
#else
  public:
#endif

    void sysSetupJob (Job& job);



    //
    // private interface
    //

    friend class Worker;

    // description: members directly corresponding to accessors
  private:
    Worker *m_wk; 

  private:
    mutable MsgStream *m_msg = nullptr; 

  private:
    int m_msgLevel = 3;

    ClassDef(Algorithm, 1);
  };
}

#endif

---