fusionFactory.h

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#ifndef ANA_FUSION_FUSIONFACTORY_H
#define ANA_FUSION_FUSIONFACTORY_H
 
 
#include <list>
#include <set>
#include <map>
#include <vector>
#include <string>
 
 
namespace anatomist
{
 
  class AObject;
 

  class FusionMethod
  {
  public:
    FusionMethod() {}
    virtual ~FusionMethod();

    virtual int canFusion( const std::set<AObject *> & ) = 0;
    virtual AObject* fusion( const std::vector<AObject *> & ) = 0;
    virtual std::string ID() const = 0;
    virtual bool orderingMatters() const;
    virtual std::string generatedObjectType() const = 0;
  };
 

  class FusionFactory
  {
  public:
    FusionFactory();
    virtual ~FusionFactory();

    virtual FusionMethod* chooseMethod( const std::set<AObject *> & );
    virtual FusionMethod* chooseMethod( std::vector<AObject *> &, 
                                        bool allowreorder = false );
    virtual std::multimap<int, std::string>
        allowedMethods( const std::set<AObject *> & ) const;
    virtual FusionMethod* method( const std::string & name ) const;

    static FusionFactory* factory() { return( _theFactory ); }
    static bool registerMethod( FusionMethod* method );
    static bool canFusion( const std::set<AObject *> & );
    static std::set<std::string> methods();
 
  protected:
    static FusionFactory           *_theFactory;
    static std::set<FusionMethod *>     _methods;
 
  private:
  };
 
}
 
 
#endif