source: branches/ralph/src/main/java/de/ugoe/cs/autoquest/tasktrees/alignment/substitution/ObjectDistanceSubstitionMatrix.java @ 1555

package de.ugoe.cs.autoquest.tasktrees.alignment.substitution;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;

import de.ugoe.cs.autoquest.eventcore.guimodel.GUIModel;
import de.ugoe.cs.autoquest.eventcore.guimodel.IGUIElement;

import java.util.List;

import de.ugoe.cs.autoquest.eventcore.Event;
import de.ugoe.cs.autoquest.tasktrees.alignment.algorithms.AlignmentHelpers;
import de.ugoe.cs.autoquest.tasktrees.treeifc.IEventTaskInstance;
import de.ugoe.cs.autoquest.tasktrees.treeifc.ITask;
import de.ugoe.cs.autoquest.tasktrees.treeifc.ITaskInstance;
import de.ugoe.cs.autoquest.tasktrees.treeifc.IUserSession;
import de.ugoe.cs.autoquest.usageprofiles.SymbolMap;
import de.ugoe.cs.util.console.GlobalDataContainer;

public class ObjectDistanceSubstitionMatrix implements SubstitutionMatrix {

        // private ArrayList<int[][]> matrix;
        HashMap<Integer, Integer> idmapping;
        private TriangleMatrix matrix;
        private SymbolMap<ITaskInstance, ITask> uniqueTasks;
        private float gapPenalty; 
        private float positiveThreshold;
        
        public ObjectDistanceSubstitionMatrix(
                        SymbolMap<ITaskInstance, ITask> uniqueTasks) {
                this.uniqueTasks = uniqueTasks;
                idmapping = new HashMap<Integer, Integer>();
                matrix = new TriangleMatrix(uniqueTasks.size()+1);
                gapPenalty = -10;
                //Todo: Calculate this value (the mean distance between every element) before
                positiveThreshold =7;
        }

        @Override
        public float getGapPenalty() {
                return gapPenalty;
        }

        @Override
        public void generate() {
                int index = 0;
                float meandistance = 0;
                for (Iterator<ITaskInstance> it = uniqueTasks.getSymbols().iterator(); it
                                .hasNext();) {
                        Object obj1 = it.next();
                        IEventTaskInstance eti1 = null;
                        if (obj1 instanceof IEventTaskInstance) {
                                eti1 = (IEventTaskInstance) obj1;
                        }
                
                        for (Iterator<ITaskInstance> jt = uniqueTasks.getSymbols()
                                        .iterator(); jt.hasNext();) {
                                IEventTaskInstance eti2 = null;
                                Object obj2 = jt.next();
                                if (obj2 instanceof IEventTaskInstance) {
                                        eti2 = (IEventTaskInstance) obj2;
                                }
                                IGUIElement first = (IGUIElement) eti1.getEvent().getTarget();
                                IGUIElement second = (IGUIElement) eti2.getEvent().getTarget();
                                int tempindex1 = -1;
                                int tempindex2 = -1;
                                if(!idmapping.containsKey(eti1.getTask().getId()))
                                {
                                        idmapping.put(eti1.getTask().getId(), index);
                                        tempindex1 = index;
                                        index++;
                                }       
                                else 
                                {
                                        tempindex1 = idmapping.get(eti1.getTask().getId());
                                }       
                                if(!idmapping.containsKey(eti2.getTask().getId()))
                                {
                                        idmapping.put(eti2.getTask().getId(), index);
                                        tempindex2 = index;
                                        index++;
                                }       
                                else 
                                {
                                        tempindex2 = idmapping.get(eti2.getTask().getId());
                                }
                                float distance = AlignmentHelpers.distanceBetween(first, second);
                                meandistance += distance;
                        
                                if (distance > positiveThreshold) {
                                        distance = -1*distance;
                                }
                                matrix.set(tempindex1, tempindex2,distance);
                                
                        }
                }
                System.out.println(meandistance/(uniqueTasks.size()*uniqueTasks.size()));
                //System.out.println(idmapping.toString());
                //System.out.println(matrix.toString());
                //System.out.println(idmapping.keySet().toString());
                //System.out.println(idmapping.values().toString());
                
        }

        @Override
        public float getDistance(int taskId1, int taskId2) {
                //System.out.println("Taskid1: " + taskId1 + " Taskid2: " + taskId2 + " Idmapping1: " + idmapping.get(taskId1) + " Idmapping2: " + idmapping.get(taskId2));
                
                return matrix.get(idmapping.get(taskId1),idmapping.get(taskId2));
        }

}