policyfactort.java

一款数独游戏的Java源代码

package policy;

import entity.AbstractPolicy;
import policy.FourPolicy;
import policy.NinePolicy;

public class PolicyFactort {
	public static AbstractPolicy getPolicy(int x, int y) {
		AbstractPolicy policy = null;
		if (x == 4) {
			policy = new FourPolicy();
		} else if (x == 9) {
			policy = new NinePolicy();
		}
		return policy;
	}

	public static AbstractPolicy getPolicy(int x) {
		return PolicyFactort.getPolicy(x, x);
	}
}