betterupdator.java

用于求解TSP(Traveling salesman problem

/**
 * Description: Updating A as B only as state B have noworse goodness value.
 *
 * @ Author        Create/Modi     Note
 * Xiaofeng Xie    Apr 28, 2006    MAOS-TSP Beta 1.1.002
 *
 * @version 1.0
 * @Since MAOS-TSP Beta 1.1.002
 */

package maosKernel.behavior.update;

import maosKernel.represent.*;
import maosKernel.behavior.setInfo.*;

public class BetterUpdator extends AbsUpdator implements ISetLandscapeInfoEngine {
  private IEvaluateEngine evaluateEngine;

  public BetterUpdator() {
  }

  public void setInfo(AbsLandscape landscape) {
    evaluateEngine = landscape;
  }

  public boolean updateBehavior(EncodedState acceptPoint, EncodedState donatePoint) {
    if (evaluateEngine.evaluate(donatePoint, acceptPoint)) {
      acceptPoint.importEncodeState(donatePoint);
      return true;
    }
    return false;
  }
}