source: branches/ralph/src/main/java/de/ugoe/cs/autoquest/tasktrees/alignment/algorithms/NumberSequence.java @ 1592

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


import java.util.Random;

public class NumberSequence  {
        private int[] sequence;
        private int signature;
        
        public NumberSequence(int size) {
                
                sequence = new int[size];
        }
        
        public int[] getSequence() {
                return sequence;
        }
        public void setSequence(int[] sequence) {
                this.sequence = sequence;
        }
        public int getSignature() {
                return signature;
        }
        public void setSignature(int signature) {
                this.signature = signature;
        }
        
        public void printSequence()
        {       
                for (int i = 0; i < sequence.length; i++) {
                        System.out.format("%5d", sequence[i]);
                }
                System.out.println();
        }
        
        public NumberSequence shuffle(){
                NumberSequence result = new NumberSequence(sequence.length);
                result.setSequence(this.sequence);
                Random rgen = new Random();
                
                for (int i=0; i<result.sequence.length; i++) {
                    int randomPosition = rgen.nextInt(result.sequence.length);
                    int temp = result.sequence[i];
                    result.sequence[i] = result.sequence[randomPosition];
                    result.sequence[randomPosition] = temp;
                }
                return result;
                
        }

        public int size() {
                return sequence.length;
        }
}