package scheduler.Conflict;

import scheduler.Generate.*;
import scheduler.LocationDB.*;
import scheduler.ScheduleQuality.*;
import scheduler.ViewSchedule.*;

import java.util.Collection;

/**
 *
 *  Home object for derived methods. 
 *    Derived from an FMSL opaque type.
 * 
 * @author 
 * @version 
 *
 **/

public class Conflict {

     /** Default Constructor **/
     public Conflict() {

     }

     /** 
         FindConstraintViolations uses a modified ScheduleItem
        * following a 
		 a manual edit to check the schedule for constraint
        * violations. This
		 function is to be called following a manual edit operation specified in
		 the Course-Manual module.
       **/
     protected ConstraintViolationList findConstraintViolations(
               Schedule[] newSI, ScheduleItem sched) {
          return null;
     }

     /** 
	     This function uses all the preference violations and constrain
        *t violations
		 found by the Scheduler to generate conflict
        * information
		 for a specific ScheduleItem. The function selects the
        * conflicts
		 that involve the ScheduleItem to create a ConflictInfo
        * object. This
		 object is used by ViewSchedule to display detailed information
		 about a conflict in a ViewInfoDialog popup. 
	    **/
     protected ConflictInfo getConflictInfo(ConstraintViolationList[] si, 
               PreferenceViolationList[] cvList, ScheduleItem pvList) {
          return null;
     }

     /** 
	  GetConflictView uses the preference violations and constraint
        * violations
	  found by the Scheduler to create a ConflictView object
        * for the schedule.
      This function is used by ViewSchedule to add conflict markings to
	  to the schedule view.
    **/
     protected ConflictView getConflictView(ConstraintViolationList[] sched, 
               PreferenceViolationList[] cvList, Schedule[] pvList) {
          return null;
     }

     /** 
         ResolveConstraintViolations resolves all constraint
        * violations in the Schedule 
		 by changing location(s) to TBA (nil)
        * and/or instructor(s) to STAFF (nil).      
         This function
        * called immediately after FindConstraintViolations
		 following a manual edit.
	   **/
     protected Schedule resolveConstraintViolations(
               ConstraintViolationList[] sched, Schedule[] cvList) {
          return null;
     }

     /** 
         ViewConflicts takes the last manual edit and the list of
        * resolved 
		 constraint violations and displays them in the Constraint Manager Window.
       **/
     protected ConstraintManager viewConflicts(ConstraintViolationList[] oldSI, 
               ScheduleItem newSI, ScheduleItem cvList) {
          return null;
     }

}