/*************************************************************************/
/* File: ins_course_list.h			Author: B. De Hamer      */	
/*                                                                       */
/* InsCourseList class is a list of InsCoursePref objects.  This is      */
/* where all of an instructors course preferences and their associated   */
/* weights will be stored.                                               */
/*************************************************************************/
#ifndef INS_COURSE_LIST
#define INS_COURSE_LIST

#include "list.h"
#include "ins_course_pref.h"
#include "std-macros.h"

class InsCourseList : public List 
{
   public:

      InsCourseList () ;
      // Construct a new InsCourseList

      InsCourseList (const InsCourseList&) ;
      // Construct a new InsCourseList from an existing one

      ~InsCourseList () ;
      // Destruct an InsCourseList

      InsCoursePref* ListIter () ;
      // Get the next InsCoursePref in the list

      void Add (const InsCoursePref&) ;
      // Add the given preference to the list.  If the course already
      // exists, it's weight is replaced with the weight of the argument
      // preference

      Boolean Delete (const InsCoursePref&) ;
      // Delete the given preference from the list.
      //  Returns true if the deletion was successful
      //  Returns false if the deletion was not successful

      void SortByWeight () ;
      // Sorts the InsCourseList in order of decreasing weights

      void operator= (const InsCourseList&) ;
      // Assign the argument to this course list
} ;

#endif