学习某种设计模式，架构？

Service 

package com.ylz.consumer.web.routeable;



public interface Service {
	
	/**
	 * 订购
	 * @param request	订购请求参数
	 * @return
	 */
	public String order(String request);
}

Routeable 

package com.ylz.consumer.web.routeable;

import java.util.HashMap;
import java.util.Map;

public class Routeable implements Service{
	
	static Map<String ,Service > serviceMap = new HashMap<String, Service>();

	static{
		Service aService = new AService();
		Service bService = new BService();
		Service cService = new CService();
		serviceMap.put("aService", aService);
		serviceMap.put("bService", bService);
		serviceMap.put("cService", cService);
	}
	
	@Override
	public String order(String request) {
		// TODO Auto-generated method stub
		Service service = serviceMap.get(request);
		service.order(request);
		return null;
	}
	
	
	
	public static void main(String[] args) {
		Routeable r = new Routeable();
		String service = "";
		// TODO Auto-generated method stub
		System.out.println("---------------select AService---------------");
		service = "aService";
		r.order(service);
		System.out.println("---------------select AService---------------");
		System.out.println("---------------select BService---------------");
		service = "bService";
		r.order(service);
		System.out.println("---------------select BService---------------");
		System.out.println("---------------select CService---------------");
		service = "cService";
		r.order(service);
		System.out.println("---------------select CService---------------");
	}
}

AbstracService

package com.ylz.consumer.web.routeable;






abstract public class AbstracService implements Service{
	
	@Override
	public String order(String request) {
		// TODO Auto-generated method stub
		System.out.println("all Services need to go in this");
		process(request);
		return null;
	}
	
	//所有继承的子类 必须实现 抽象方法
	abstract public void process(String request);
}

AService

package com.ylz.consumer.web.routeable;






public class AService extends AbstracService{

	//与其他继承  AbstracService 的  自定义的方法
	@Override
	public void process(String request) {
		// TODO Auto-generated method stub
		System.out.println("我是："+request);
	}
	
}

BService

package com.ylz.consumer.web.routeable;






public class BService extends AbstracService{

	//与其他继承  AbstracService 的  自定义的方法
	@Override
	public void process(String request) {
		// TODO Auto-generated method stub
		System.out.println("我是："+request);
	}
	
}

CService

package com.ylz.consumer.web.routeable;






public class CService extends AbstracService{

	//与其他继承  AbstracService 的  自定义的方法
	@Override
	public void process(String request) {
		// TODO Auto-generated method stub
		System.out.println("我是："+request);
	}

}