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package pattern.clone;

import java.util.Collection;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Map;

/**

* Created by yahier on 12/19/18.

* 原型模式 Cloneable接口和clone方法一点关联都没有的

*/

public class CloneMain {

public static void main(String[] args) {

Map<String, PointBean> map = new HashMap<>();

map.put("1", new PointBean("1123"));

map.put("2", new PointBean("2123"));

map.put("3", new PointBean("3123"));

map.put("4", new PointBean("4123"));

map.put("5", new PointBean("5123"));

Map cloneMap = getClonePointMap(map);

cloneMap.put("6", new PointBean("6123"));

showMapData("原数据", map);

showMapData("副本数据", cloneMap);

}

private static HashMap getClonePointMap(Map map) {

HashMap clone = new HashMap<>();

if (map != null) {

Iterator iterator = map.entrySet().iterator();

while (iterator.hasNext()) {

Map.Entry entry = (Map.Entry) iterator.next();

String key = (String) entry.getKey();

PointBean pointBean = (PointBean) entry.getValue();

if (pointBean != null) {

//遍历map并将克隆对象放到新的map中

clone.put(key, pointBean.clone());

} else {

clone.put(key, null);

}

}

}

return clone;

}

private static void showMapData(String tag, Map<String, PointBean> map) {

Collection<PointBean> collections = map.values();

for (PointBean bean : collections) {

System.out.println(tag + " " + bean.getPointName());

}

}

}