LIFinderFactory.h

Go to the documentation of this file.

#ifndef _LI_FINDER_FACTORY_H_
#define _LI_FINDER_FACTORY_H_

#include <map>
#include <string>
#include "TObject.h"

class LIPatternFinder;

using std::map;
using std::string;

class LIFinderFactory : public TObject
{
public:

  static LIFinderFactory * GetInstance();

  LIPatternFinder * LIFinder(const char * alg_name);
  
private:
  
  LIFinderFactory();
  LIFinderFactory(const LIFinderFactory & factory);
  virtual ~LIFinderFactory();

  static LIFinderFactory * fSelf;

  // data & methods for using a concrete algorithm 'cache'

  map<string, LIPatternFinder *> fAvailableAlgorithms;

  bool AlgorithmExists (const char * alg_name) const;
  void AddAlgorithm    (const char * alg_name, LIPatternFinder * alg);
  
  LIPatternFinder * GetAlgorithm (const char * alg_name) const;

  // singleton cleaner - recommended by George I.
  
  struct Cleaner {
      void DummyMethodAndSilentCompiler() { }
      ~Cleaner() {
         if (LIFinderFactory::fSelf !=0) {
            delete LIFinderFactory::fSelf;
            LIFinderFactory::fSelf = 0;
         }
      }
  };
  friend struct Cleaner;
  
ClassDef(LIFinderFactory, 0) // concrete LIPatternFinder object factory
};

#endif // _LI_FINDER_FACTORY_H_

---