source: branches/autoquest-core-tasktrees-alignment/src/main/java/de/ugoe/cs/autoquest/tasktrees/alignment/matrix/NearbySubstitutionMatrix.java @ 1734

/**
 * 
 */
package de.ugoe.cs.autoquest.tasktrees.alignment.matrix;

import java.util.HashSet;
import java.util.LinkedList;

import de.ugoe.cs.autoquest.tasktrees.treeifc.ITask;

// TODO: Auto-generated Javadoc
/**
 * The Class NearbySubstitutionMatrix.
 *
 * @author Ralph Krimmel
 */
public class NearbySubstitutionMatrix implements SubstitutionMatrix {

        /** The input1. */
        private final int[] input1;
        
        /** The input2. */
        private final int[] input2;
        
        /** The range. */
        private final int range;

        /**
         * Instantiates a new nearby substitution matrix.
         *
         * @param input1 the input1
         * @param input2 the input2
         * @param range the range
         */
        public NearbySubstitutionMatrix(int[] input1, int[] input2, int range) {
                this.input1 = input1;
                this.input2 = input2;
                this.range = range;
        }

        /* (non-Javadoc)
         * @see de.ugoe.cs.autoquest.tasktrees.alignment.matrix.SubstitutionMatrix#generate(java.util.HashSet)
         */
        @Override
        public void generate(HashSet<ITask> uniqueTasks) {
        }

        /* (non-Javadoc)
         * @see de.ugoe.cs.autoquest.tasktrees.alignment.matrix.SubstitutionMatrix#getGapPenalty()
         */
        @Override
        public float getGapPenalty() {
                return -range - 1;
        }

        /*
         * (non-Javadoc)
         * 
         * @see
         * de.ugoe.cs.autoquest.plugin.alignment.SubstitutionMatrix#getDistance(int,
         * int)
         */
        @Override
        public float getScore(int pos1, int pos2) {
                final int difference = Math.abs(input1[pos1] - input2[pos2]);
                if (difference < range) {
                        return range - difference;
                } else {
                        return -range;
                }
        }

        /* (non-Javadoc)
         * @see de.ugoe.cs.autoquest.tasktrees.alignment.matrix.SubstitutionMatrix#update(java.util.LinkedList)
         */
        @Override
        public void update(LinkedList<ITask> newlyGeneratedTasks) {
        }

}