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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_ASSOCIATIONMANAGER_H
#define ATLFAST_ASSOCIATIONMANAGER_H

//#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 ;
      SmartRefVector<ContainedObject>::const_iterator assoc = 
        m_associations.begin(); 
      for(; assoc != m_associations.end(); ++assoc ) {
      results.push_back( *assoc ) ; 
      }
      return results ;
    }
    

    // ...............................................
    template< class T >
      SmartRefVector<T> associations( T ) const {
      
      SmartRefVector<T> results ;
      
      T targetType ;
      SmartRefVector<ContainedObject>::const_iterator assoc = 
        m_associations.begin(); 
      for( ; 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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