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AssociationManager.h

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// ================================================
// This file contains:
//
//              AssociationManager class
//
// ================================================
//
// THIS TEXT TO BE REPLACED BY ATLAS STANDARD FORMAT
//
//
// Namespace: Atlfast::
//
// class: AssociationManager
//
// ................................................................
//
#ifndef __Atlfast_association__manager__
#define __Atlfast_association__manager__

#include <iostream>

// Athena 
#include "GaudiKernel/ContainedObject.h"
#include "GaudiKernel/SmartRefVector.h"


//======================================

namespace Atlfast {
class AssociationManager 
{

  protected:

   SmartRefVector<ContainedObject> m_associations ;

   public:


   //....................................
   void associate( const ContainedObject* otherEntity ) {
      m_associations.push_back( otherEntity ) ;

   } 
   void associate( const SmartRef<ContainedObject>* otherEntity ) {
     m_associations.push_back( *otherEntity ) ;
   }

   SmartRefVector<ContainedObject> associations( ) const {
     //Be dumb for now : make a copy of the list of associations  
     SmartRefVector<ContainedObject> results ;
     for( SmartRefVector<ContainedObject>::const_iterator assoc = m_associations.begin(); 
          assoc != m_associations.end(); ++assoc ) 
       {
         results.push_back( *assoc ) ; 
       }
     return results ;
   }


   // ...............................................
   template< class T >
   SmartRefVector<T> associations( T ) const {

      SmartRefVector<T> results ;
      
      T targetType ;

      for( SmartRefVector<ContainedObject>::const_iterator assoc = m_associations.begin(); 
           assoc != m_associations.end(); ++assoc ) 
        {   
          if( targetType.clID() == (*assoc)->clID() ) {

            // Found an associated object of the correct type
            // Cast the contained object into required type and add to the results
            const ContainedObject* temp =  *assoc  ; 
            T* temp2 = (T*) temp ;
            results.push_back( temp2 ) ; 

          }
        }
      return results ;
   }
      

   // ..................................
   bool unAssociated() const { return m_associations.size() == 0 ; }
   void reset() { m_associations.erase(m_associations.begin(),
                                       m_associations.end());}


};

} //end of namespace bracket
#endif

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