abslandscape.java

pso源程序

/**
 * Description: The goodness landscape.
 *
 * @ Author        Create/Modi     Note
 * Xiaofeng Xie    Apr 28, 2006    MAOS-TSP Beta 1.1.002
 *
 */
package maosKernel.represent.landscape;

import maosKernel.represent.*;
import maosKernel.represent.problem.*;
import maosKernel.represent.space.*;
import maosKernel.represent.encode.*;
import Global.basic.attrib.*;

public abstract class AbsLandscape extends AbsInformationElement implements IEncodedDataEvaluateEngine, IEncoder, INodeNumberEngine {
  private AbsSearchSpace representSpace = null;

  public AbsLandscape(AbsProblemData problemData) {
    this.importBasicAttrib(problemData);
    representSpace = initSearchSpace(problemData);
  }

  abstract protected AbsSearchSpace initSearchSpace(AbsProblemData problemData);

  public AbsSearchSpace getSearchSpace() {
    return representSpace;
  }

  public int getNodeNumber() {
    return representSpace.getNodeNumber();
  }

  //If stateA is no worse than stateB, then return true
  public boolean evaluate(OEncodeData encodedA, OEncodeData encodedB) {
    return encodedA.compareTo(encodedB);
  }
}