manager.java~1~

八皇后问题GUI版

package empress;

/**
 * <p>Title:Empresses </p>
 *
 * <p>Description:Empresses Show Software </p>
 *
 * <p>Copyright: Copyright (c) 2004</p>
 *
 * <p>Company:Bluebell </p>
 *
 * @authorJamy not attributable
 * @version 1.0
 */
public class Manager {
  Maps mps;
        Empresses e[];
        int empressNumber;
        int current = 0;
        int i = 0;
        boolean first = true;
        MapPage mp;
        Hasilica has;
        String s;

        public Manager(int empressNumber)
        {
                has = new Hasilica(empressNumber);
                mps = new Maps(empressNumber);
                mp = new MapPage(empressNumber);
                e = new Empresses[empressNumber];			//Constructor to prepare for the resource
                for(int i = 0 ; i < empressNumber; i++)		//that would be used
                {
                        e[i] = new Empresses(i,mp,has,empressNumber);//Initionalize the Empresses and number them
                }
                this.empressNumber = empressNumber;
        }

        public void arrangement()
        {
                while(first)//fist is the sign to tell wether the program hava to exit
                {
                        i = current;//record the cuurent Empress
                        thisWay(e[current]);
                        if(mp.mapPage[1][empressNumber-1] >= 0)//if find a solution
                        {
                                mps.record(mp);//record the solution
                                Hasilica has = new Hasilica(empressNumber);//generate a map to show the position
                                has.showMapOfEmpresses(mp);					//of the eight Empresses
                                mp.mapPage[1][empressNumber-1] = -1;		//to sign the map be invalid
                        }
                }
                has.setVisible(false);	//to hide the last map which is not the solution
                has = null;	//free the space
        }

        public void thisWay(Empresses e)
        {
                if(e.adjust())//if the current Empress could find the position
                {
                        if(current < (empressNumber - 1))
                        {
                                current = i + 1;//go on find the position of "i+1"'th Empress
                        }
                        else
                        {
                                current = empressNumber - 1;
                        }
                }
                else
                {
                        e.y = -1;//to set the current Empress out of the map
                        if(current > 0)
                        {
                                current = i -1;//next Empress is "i-1"'th Empress
                        }
                        else
                        {
                                current = 0;
                                first = false;
                        }
                }
        }

        public void reportToEmperor()
        {
                mps.showRecords();
                System.out.println("**************************************"+mps.getLength());
        }

}