nodepickknowledge.java

pso源程序

/**
 * Description:
 *
 * @ Author        Create/Modi     Note
 * Xiaofeng Xie    Dec 04, 2006
 *
 *
 * @version 1.0
 * @Since MAOS1.0
 */


package implement.common.behavior.elemPick;

import Global.basic.data.collection.*;
import maosKernel.represent.space.*;
import implement.common.represent.*;
import implement.common.knowledge.*;

import implement.common.behavior.elemPick.*;
import implement.common.behavior.elemPick.increment.*;
import implement.common.behavior.elemPick.decrement.*;

public class NodePickKnowledge {
  public static void directRemoveRepairBehavior(SearchState baseState, IDecNodePickEngine nodePickEngine, IConstraintEngine constraintEngine) {
    int consGap = ConstraintKnowledge.getContraintGap(baseState, constraintEngine);
    int selID;
    IAlienICollectionEngine existElements = baseState.getTrueElements();
    while(consGap>0) {
      selID = nodePickEngine.pickBehavior(existElements, consGap);
      baseState.delValueAt(selID);
      consGap -= constraintEngine.getLocalChangedConstrainValue(selID);
    }
  }

  public static void directAddImproveBehavior(SearchState baseState, IIncNodePickEngine nodePickEngine, IConstraintEngine constraintEngine) {
    int consGap = ConstraintKnowledge.getContraintGap(baseState, constraintEngine);
    if (consGap>=0) return;
    int selID;
    IAlienICollectionEngine existElements = baseState.getTrueElements();
    while(true) {
      selID = nodePickEngine.pickBehavior(existElements, -consGap);
      if (selID==-1) break;
      baseState.setValueAt(selID);
      consGap += constraintEngine.getLocalChangedConstrainValue(selID);
    }
  }
}