/*** <B>Taiji</B>*  太极.万象均循此道.* */
public interface Taiji {public String getName();public int getValue();}

/*** <B>AbstractTaiji</B>* 太极的抽象实现*/
public abstract class AbstractTaiji implements Taiji {protected int value;protected String name;protected AbstractTaiji(int value,String name) {this.value = value;this.name = name;}@Overridepublic String getName(){return name;}@Overridepublic int getValue(){return value;}@Overridepublic String toString() {return name;}@Overridepublic boolean equals(Object other) {if (other == null) {return false;}if (other instanceof AbstractTaiji) {return ((AbstractTaiji) other).value == value;}return false;}@Overridepublic int hashCode() {return ((Integer)value).hashCode();}
}

/*** <B>FourQuadrant</B>* 四象
*/
public class FourQuadrant extends AbstractTaiji{/**  少阳 */public static final int SHAO_YANG = 0;/** 少阴*/public static  final int SHAO_YIN = 1;/** 太阳  */public static  final int TAI_YANG = 2;/** 太阴 */public static  final int TAI_YIN = 3;    private static final String[] QUADRANT_NAMES=new String[]{LiuyaoStringSymbol.FourQuadrant_SHAO_YANG,LiuyaoStringSymbol.FourQuadrant_SHAO_YIN,LiuyaoStringSymbol.FourQuadrant_TAI_YANG,LiuyaoStringSymbol.FourQuadrant_TAI_YIN};public static FourQuadrant getFourQuadrant(int value) {return create(value);
    }public static FourQuadrant[] getFourQuadrant() {FourQuadrant[] fourQuadrants=new FourQuadrant[4];for(int i=0;i<4;i++){fourQuadrants[i] =create(i);}return fourQuadrants;}private static FourQuadrant create(int value) {return new FourQuadrant(value, QUADRANT_NAMES[value%4]);}private FourQuadrant(int v, String name) {super(v, name);}@Overridepublic boolean equals(Object obj) {if (super.equals(obj) && (obj instanceof FourQuadrant)) {return true;}return false;}/** 老阳动化为少阳 */public FourQuadrant toTwoForms() {if (value == TAI_YANG) {return getFourQuadrant(SHAO_YANG);} else if (value == TAI_YIN){return getFourQuadrant(SHAO_YIN);} else if (value == SHAO_YANG || value == SHAO_YIN) {return this;} else {return null;}}/** 返回变爻:阳动返回少阴 */public FourQuadrant getChanged() {//FIXMEif(value ==TAI_YANG){return getFourQuadrant(SHAO_YIN);}if (value == TAI_YIN) {return getFourQuadrant(SHAO_YANG);}return new FourQuadrant(value, name);}/** 动: 阴变阴动;阳变阳动 */public void activate(){changeValue(value%2+2);}private void changeValue(int newValue) {this.value=newValue;this.name = QUADRANT_NAMES[newValue];}/**  阳转为阴,阴转为阳     */public FourQuadrant reverse() {if(isChanged()){throw new IllegalArgumentException();}return getFourQuadrant((value+1)%2);}/** 是否为老阳O 老阴X */public boolean isChanged() {return (value==TAI_YANG ||value==TAI_YIN);}
}

/*** <B>FiveElements</B>* 五行*/
public class FiveElements extends AbstractTaiji {public static final int GOLD=0;public static final int WATER=1;public static final int WOOD=2;public static final int FIRE=3;public static final int SOIL=4;private static final String[] ELEMENTS_NAMES=new String[]{LiuyaoStringSymbol.FIVE_ELEMENT_GOLD,LiuyaoStringSymbol.FIVE_ELEMENT_WATER,LiuyaoStringSymbol.FIVE_ELEMENT_WOOD,LiuyaoStringSymbol.FIVE_ELEMENT_FIRE,LiuyaoStringSymbol.FIVE_ELEMENT_SOIL};public static FiveElements getElement(int value) {return create(value);}private static FiveElements create(int value) {return new FiveElements(value, ELEMENTS_NAMES[value%4]);}/** 相生 */public static final int Generate = 1<<1;/** 相克 */public static final int Restricte = 1<<2;private FiveElements(int v, String name) {super(v, name);}/** 生 */public boolean isGenerate(FiveElements other) {return (value + 1) % 5 == other.value;}/** 克 */public boolean isRestricte(FiveElements other) {return (value + 2) % 5 == other.value;}
}