package com.songshu.mongo.tools; import java.util.HashMap; import java.util.Map; public class MapFactory { private Map data = new HashMap(); private MapFactory() {} public static MapFactory create() { return new MapFactory(); } public static MapFactory create(Object key, Object value) { return create().put(key, value); } public MapFactory put(Object key, Object value) { data.put(key, value); return this; } public Map getData() { return data; } }