aisearchstate.java

用于求解TSP(Traveling salesman problem

/**
 * Description: provide the location information of a state
 *
 * @ Author        Create/Modi     Note
 * Xiaofeng Xie    Apr  6, 2005
 * Xiaofeng Xie    Apr 28, 2006    MAOS-TSP Beta 1.1.002
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * Please acknowledge the author(s) if you use this code in any way.
 */

package maosKernel.represent.space;

import Global.methods.*;
import Global.basic.data.point.*;

public class AISearchState extends StableIPoint {

  public AISearchState(int nodeNumber) {
    super(nodeNumber);
  }

  public AISearchState(int[] content) {
    super(content);
  }

  public int getPreValue(int index){
    return location[BasicArray.getPrecessorID(getNodeNumber(), index)];
  }

  public int getValueIndex(int value) {
    return BasicArray.getExactIndex(location, value);
  }

  public void swap(int nodeA, int nodeB) {
    ArrayOperator.swapData(this.getIArray(), nodeA, nodeB);
  }

  public void nnSwap(int nodeID) {
    swap(nodeID, nodeID+1);
  }

  public void insertion(int baseID, int tobeID) {
    ArrayOperator.insertTo(this.getIArray(), baseID, tobeID);
  }

  public int getPostValue(int index){
    return location[BasicArray.getSuccessorID(getNodeNumber(), index)];
  }

  public void importSearchState(AISearchState point) {
    System.arraycopy(point.location, 0, location, 0, location.length);
  }
}