package SinglePattern04.example;

/**

* 仅使用于单线程情形...

* 如果处于多线程环境下则不满足单例模式的特性

*/

public class Client {

public static void main(String[] args) {

LoadBalancer loadBalancer1 = LoadBalancer.getInstance();

LoadBalancer loadBalancer2 = LoadBalancer.getInstance();

LoadBalancer loadBalancer3 = LoadBalancer.getInstance();

LoadBalancer loadBalancer4 = LoadBalancer.getInstance();

//判断服务器负载均衡器是否相同

if(loadBalancer1==loadBalancer2&&loadBalancer2==loadBalancer3&&loadBalancer3==loadBalancer4)

System.out.println("服务器负载均衡器具有一致性");

//增加服务器

loadBalancer1.addServer("Server 1");

loadBalancer1.addServer("Server 2");

loadBalancer1.addServer("Server 3");

loadBalancer1.addServer("Server 4");

loadBalancer1.addServer("Server 5");

for(int i = 0 ; i < 10 ; i++)

System.out.println("分发请求至服务器:" + loadBalancer2.getServer());

}

}