java集合工具 填充 提取器(减少get set调用)
2018-10-30 本文已影响1人
hihuzi
集合工具提取和填充器
1.工具说明
- 技术 : 反射+泛型+集合+可变参数+Threadlocal
- 优点 :
支持所有数据类型
支持动态缓存
支持时间和key自定义
支持多线程并发
支持递归提取父类属性进行取值塞值
支持空值(防止null报异常)
2.使用方法
FillFactory.beach().需要方法见下图()
微信图片_20181030144632.png
PickFactoryTest.beach().需要方法见下图()
微信图片_20181030144632.png
3.效率效果
一千万数据map<String,Object>数据填充为对象(list<Object>)需要27秒(不存在栈溢出)
4.测试类
微信图片_20181030144632.png
/**
* tips
*
* @author:hihuzi 2018/7/23 9:21
*/
public class FillFactoryTest implements Runnable {
private MockHttpServletRequest request;
private FillFactory fillTool;
private static Map map;
private static String tip;
public void setMap(Map map) {
this.map = map;
}
public void setTip(String tip) {
this.tip = tip;
}
@Before
public void setUp() {
request = new MockHttpServletRequest();
request.setCharacterEncoding("utf-8");
fillTool = new FillTool();
}
/**
* tips HttpServletRequest-->MAP
*
* @author:hihuzi 2018/7/23 15:05
*/
@Test
public void fill() {
request.setParameter("integerMax", "123456");
request.setParameter("stringMax", "你好师姐!!!");
request.setParameter("longMax", "12.3");
request.setParameter("intMin", " ");
request.setParameter("intMin", " ");
request.setParameter("doubleMin", "");
/**tips 填充到request---->Map*/
Map map = FillFactory.batch().fill(request);
map.forEach((o, o2) -> System.out.print(o + "=" + o2 + " "));
System.out.println("");
/**tips 舍弃掉特定字段*/
Map map0 = FillFactory.batch().fill(request, "stringMax");
map0.forEach((o, o2) -> System.out.print(o + "=" + o2 + " "));
System.out.println("");
/**tips 舍弃掉空值*/
Map map1 = FillFactory.batch().fill(request, new FillConfig(FillConfig.SaveStyleEnum.REMOVE_NULL_EMPTY));
map1.forEach((o, o2) -> System.out.print(o + "=" + o2 + " "));
System.out.println("");
/**tips 默认属性不舍弃空值*/
Map map2 = FillFactory.batch().fill(request, new FillConfig(FillConfig.SaveStyleEnum.DEFAULT));
map2.forEach((o, o2) -> System.out.print(o + "=" + o2 + " "));
System.out.println("");
/**tips 舍弃空值 并且去掉特定字段*/
Map map3 = FillFactory.batch().fill(request, new FillConfig(FillConfig.SaveStyleEnum.REMOVE_NULL_EMPTY), "stringMax");
map3.forEach((o, o2) -> System.out.print(o + "=" + o2 + " "));
}
/**
* tips HttpServletRequest--> obj
* tips 对于空字符串处理
*
* @author:hihuzi 2018/6/14 14:50
*/
@Test
public void fill_entity_request() throws Exception {
request.setParameter("booleanMax", "");
request.setParameter("byteMax", "");
request.setParameter("shortMax", "");
request.setParameter("integerMax", "");
request.setParameter("longMax", "");
request.setParameter("floatMax", "");
request.setParameter("doubleMax", "");
request.setParameter("stringMax", " ");
request.setParameter("bigdecimalMax", "");
request.setParameter("dateMax", "");
request.setParameter("booleanMin", "");
request.setParameter("charMin", "");
request.setParameter("byteMin", "");
request.setParameter("shortMin", "");
request.setParameter("intMin", "");
request.setParameter("longMin", "");
request.setParameter("floatMin", "");
request.setParameter("doubleMin", "");
long start = System.currentTimeMillis();
TestBean map1 = null;
for (int i = 0; i < 10000000; i++) {
map1 = FillFactory.batch().fillEntity(request, new TestBean());
}
long end = System.currentTimeMillis();
System.err.println("------>一千万 耗时" + (end - start) / 1000 + "秒<------");
System.out.println(Arrays.asList(map1));
}
/**
* tips HttpServletRequest--> obj
*
* @author:hihuzi 2018/6/14 14:50
*/
@Test
public void fill_entity_request1() throws Exception {
request.setParameter("booleanMax", "true");
request.setParameter("byteMax", "1");
request.setParameter("shortMax", "129");
request.setParameter("integerMax", "123456");
request.setParameter("longMax", "132542435");
request.setParameter("floatMax", "12.9");
request.setParameter("doubleMax", "3.55");
request.setParameter("stringMax", "你好师姐!!!");
request.setParameter("bigdecimalMax", "9825485.61551");
request.setParameter("dateMax", "2012-12-12");
request.setParameter("booleanMin", "true");
request.setParameter("charMin", "a");
request.setParameter("byteMin", "2");
request.setParameter("shortMin", "5");
request.setParameter("intMin", "55");
request.setParameter("longMin", "555");
request.setParameter("floatMin", "0.9");
request.setParameter("doubleMin", "1.94");
TestBean map1 = null;
long start = System.currentTimeMillis();
for (int i = 0; i < 10000000; i++) {
map1 = FillFactory.batch().fillEntity(request, new TestBean());
}
long end = System.currentTimeMillis();
System.err.println("------>一千万 耗时" + (end - start) / 1000 + "秒<------");
System.out.println(Arrays.asList(map1).toString());
}
/**
* tips HttpServletRequest--> obj
* tips 针对不同格式针对的处理
*
* @author:hihuzi 2018/6/14 14:50
*/
@Test
public void fill_entity_request2() throws Exception {
request.setParameter("stringMax", "你好师姐!!!");
request.setParameter("dateMax", "2012-12-12");
TestBean map = null;
map = FillFactory.batch().fillEntity(request, new TestBean(),
new FillConfig());
System.out.println(Arrays.asList(map).toString());
map = FillFactory.batch().fillEntity(request, new TestBean(),
new FillConfig(FillBase.DateStyleEnum.DEFAULT.setFormartStyle("yyyy-MM-dd")));
System.out.println(Arrays.asList(map).toString());
request.setParameter("dateMax", "2012-12-12 22:21:20");
map = FillFactory.batch().fillEntity(request, new TestBean(),
new FillConfig(FillBase.DateStyleEnum.DEFAULT.setFormartStyle("yyyy-MM-dd HH:mm:ss")));
System.out.println(Arrays.asList(map).toString());
}
/**
* tips Map--> obj
* tips 针对不同格式针对的处理
*
* @author:hihuzi 2018/6/14 14:50
*/
@Test
public void fill_entity_map() throws Exception {
Map map = new HashMap(20);
map.put("booleanMax", "true");
map.put("byteMax", "1");
map.put("shortMax", "129");
map.put("integerMax", "123456");
map.put("longMax", "132542435");
map.put("floatMax", "12.99");
map.put("stringMax", "你好师姐!!!");
map.put("bigdecimalMax", "9825485.6");
map.put("dateMax", "2012-12-12");
map.put("booleanMin", "true");
map.put("charMin", "a");
map.put("byteMin", "2");
map.put("shortMin", "5");
map.put("intMin", "55");
map.put("longMin", "555");
map.put("floatMin", "0.9");
map.put("doubleMin", "1.94");
TestBean bean = FillFactory.batch().fillEntity(map, new TestBean());
Map map1 = new HashMap(5);
/**tips 从对象中取出map*/
Map map2 = FillFactory.batch().fillMap(bean, map1);
System.out.println(bean.toString());
map2.forEach((o, o2) -> System.out.print(o + " " + o2));
}
/**
* tips 针对不同时间格式处理不同时间配置(错误的属性直接丢掉)
*/
@Test
public void fill_entity_map0() throws Exception {
Map map = new HashMap(20);
map.put("stringMax", "你好师姐!!!");
map.put("dateMax", "2012-12-12");
/**tips 错误的属性直接丢掉*/
map.put("dat32eMax", "2012-12-12");
TestBean bean = FillFactory.batch().fillEntity(map, new TestBean());
System.out.println(bean.toString() + "hashCode" + bean.hashCode());
map.put("dateMax", "2012-12-12 24:23:22");
TestBean bean0 = FillFactory.batch().fillEntity(map, new TestBean(),
new FillConfig(FillBase.DateStyleEnum.DEFAULT.setFormartStyle("yyyy-MM-dd HH:mm:ss")));
System.out.println(bean0.toString() + "hashCode" + bean.hashCode());
Map map1 = new HashMap(5);
/**tips 从对象中取出map*/
Map map2 = FillFactory.batch().fillMap(bean0, map1,
new FillConfig(FillBase.DateStyleEnum.DEFAULT.setFormartStyle("yyyy-MM-dd")));
map2.forEach((o, o2) -> System.out.print(o + "-->" + o2));
}
/**
* tips List<Map> --> E --> List<E>
* tips 针对不同格式对应处理
*
* @author: hihuzi 2018/6/26 14:51
*/
@Test
public void fill_entity_list() throws Exception {
List list = new ArrayList();
List list0 = new ArrayList();
Map map = new HashMap(20);
map.put("booleanMax", "true");
map.put("byteMax", "1");
map.put("shortMax", "129");
map.put("integerMax", "123456");
map.put("longMax", "132542435");
map.put("floatMax", "12.99");
map.put("doubleMax", "3.55");
map.put("stringMax", "你好师姐!!!");
map.put("bigdecimalMax", "9825485.6");
map.put("dateMax", "2012-12-12");
map.put("booleanMin", "true");
map.put("charMin", "a");
map.put("byteMin", "2");
map.put("shortMin", "5");
map.put("intMin", "55");
map.put("longMin", "555");
map.put("floatMin", "0.9");
map.put("doubleMin", "1.94");
list.add(map);
List<TestBean> bean = FillFactory.batch().fillEntity(list, new TestBean());
/**tips 特殊的时间格式处理*/
map.put("dateMax", "2012!12@12#12-12:12");
list0.add(map);
List<TestBean> bean0 = FillFactory.batch().fillEntity(list0, new TestBean(),
new FillConfig(FillBase.DateStyleEnum.DEFAULT.setFormartStyle("yyyy!MM@dd#HH-mm:ss")));
System.out.println(bean.get(0).toString());
System.out.println(bean0.get(0).toString());
// long start = System.currentTimeMillis();
// List<TestBean> bean3;
// for (int i = 0; i < 1000000; i++) {
// bean3 = FillFactory.batch().fillEntity(list, new TestBean(),
// new FillConfig(FillBase.DateStyleEnum.DEFAULT.setFormartStyle("yyyy!MM@dd#HH-mm:ss")));
// }
// long end = System.currentTimeMillis();
// System.err.println("------>一百万 耗时" + (end - start) / 1000 + "秒<------");
}
/**
* tips list<String> --> E --> list<E> 针对数据库与实体类名有区别
*
* @author:hihuzi 2018/6/26 14:51
*/
@Test
public void fill_map() throws Exception {
Map map = new HashMap(20);
map.put("stringMax", "你好师姐!!!");
map.put("dateMax", "2012-12-12");
map.put("booleanMin", "");
TestBean bean = FillFactory.batch().fillEntity(map, new TestBean());
System.out.println(bean);
Map map1 = new HashMap(5);
/**tips 从对象中取出map*/
map1 = FillFactory.batch().fillMap(bean, map1);
map1.forEach((o, o2) -> System.out.print(o + "-->" + o2 + " "));
System.out.println("");
System.out.println("fillMap从对象中取出不为空的属性 并且时间自定义");
map1 = FillFactory.batch().fillMap(bean, map1,
new FillConfig(FillBase.DateStyleEnum.DEFAULT.setFormartStyle("yyyy-MM-dd HH:mm:ss")));
map1.forEach((o, o2) -> System.out.print(o + "-->" + o2 + " "));
}
/**
* tips E --> Map 针对E与map进行填充
*
* @parameter: E e
* @parameter: Map map
* @parameter: E
* @Author: hihuzi 2018/6/26 14:51
*/
@Test
public void list_to_entity() throws Exception {
List list = new ArrayList();
list.add("true");
list.add("1");
list.add("129");
list.add("123456");
list.add("132542435");
list.add("12.99");
list.add("3.55");
list.add("你好师姐!!!");
list.add("9825485.6");
list.add("2012-12-12");
list.add("true");
list.add("a");
list.add("2");
list.add("5");
list.add("55");
list.add("555");
list.add("0.9");
list.add("1.94");
List<TestBean> bean = FillFactory.batch().listToEntity(list, new TestBean());
System.out.println(bean.get(0).toString());
// long start = System.currentTimeMillis();
// for (int i = 0; i < 10000000; i++) {
// List<TestBean> bean0 = FillFactory.batch().listToEntity(list, new TestBean());
// }
// long end = System.currentTimeMillis();
// System.err.println("------>一千万 耗时" + (end - start) / 1000 + "秒<------");
Map<String, Map<String, TypeCache>> classCache = ClassCache.cache;
classCache.forEach((s, typeCache) -> System.err.println(typeCache.size()));
}
@Override
public void run() {
TestBean bean = null;
try {
bean = FillFactory.batch().fillEntity(map, new TestBean(),
new FillConfig(FillBase.DateStyleEnum.DEFAULT.setFormartStyle(this.tip)));
System.out.println(bean.toString());
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* tips 多线程测试
*
* @parameter:
* @return:
* @author: hihuzi 2018/10/21 3:51
*/
@Test
public void mains() {
Map map = new HashMap(1);
map.put("dateMax", "333-33-33");
FillFactoryTest test0 = new FillFactoryTest();
test0.setMap(map);
test0.setTip("yyyy-MM-dd");
Map maps = new HashMap(1);
maps.put("dateMax", "222!22@22#22-22:22");
FillFactoryTest test = new FillFactoryTest();
test0.setMap(maps);
test0.setTip("yyyy!MM@dd#HH-mm:ss");
List<Thread> threads = new ArrayList<>();
for (int i = 0; i < 666; i++) {
Thread thread;
if (i % 2 == 0) {
thread = new Thread(test0, "" + i);
} else {
thread = new Thread(test, "" + i);
}
threads.add(thread);
}
for (Thread thread : threads) {
thread.start();
}
}
public static void main(String[] args) {
Map map = new HashMap(1);
map.put("dateMax", "333-33-33");
FillFactoryTest test0 = new FillFactoryTest();
test0.setMap(map);
test0.setTip("yyyy-MM-dd");
Map maps = new HashMap(1);
maps.put("dateMax", "222!22@22#22-22:22");
FillFactoryTest test = new FillFactoryTest();
test0.setMap(maps);
test0.setTip("yyyy!MM@dd#HH-mm:ss");
List<Thread> threads = new ArrayList<>();
for (int i = 0; i < 666; i++) {
Thread thread;
if (i % 2 == 0) {
thread = new Thread(test0, "" + i);
} else {
thread = new Thread(test, "" + i);
}
threads.add(thread);
}
for (Thread thread : threads) {
thread.start();
}
}
}
执行结果如下:
TestBean(booleanMax=true, byteMax=1, shortMax=129, integerMax=123456, longMax=132542435, floatMax=12.99, doubleMax=3.55, stringMax=你好师姐!!!, bigdecimalMax=9825485.6, dateMax=Wed Dec 12 00:00:00 CST 2012, booleanMin=true, charMin=a, byteMin=2, shortMin=5, intMin=55, longMin=555, floatMin=0.9, doubleMin=1.94, character=null)
TestBean(booleanMax=true, byteMax=1, shortMax=129, integerMax=123456, longMax=132542435, floatMax=12.99, doubleMax=3.55, stringMax=你好师姐!!!, bigdecimalMax=9825485.6, dateMax=Wed Dec 12 12:12:12 CST 2012, booleanMin=true, charMin=a, byteMin=2, shortMin=5, intMin=55, longMin=555, floatMin=0.9, doubleMin=1.94, character=null)
TestBean(booleanMax=null, byteMax=null, shortMax=null, integerMax=null, longMax=null, floatMax=null, doubleMax=null, stringMax=你好师姐!!!, bigdecimalMax=null, dateMax=Wed Dec 12 00:00:00 CST 2012, booleanMin=false, charMin= , byteMin=0, shortMin=0, intMin=0, longMin=0, floatMin=0.0, doubleMin=0.0, character=null)hashCode-286194562
TestBean(booleanMax=null, byteMax=null, shortMax=null, integerMax=null, longMax=null, floatMax=null, doubleMax=null, stringMax=你好师姐!!!, bigdecimalMax=null, dateMax=Thu Dec 13 00:23:22 CST 2012, booleanMin=false, charMin= , byteMin=0, shortMin=0, intMin=0, longMin=0, floatMin=0.0, doubleMin=0.0, character=null)hashCode-286194562
dateMax-->2012-12-13charMin--> shortMin-->0intMin-->0doubleMin-->0.0stringMax-->你好师姐!!!byteMin-->0floatMin-->0.0booleanMin-->falselongMin-->0TestBean(booleanMax=null, byteMax=null, shortMax=null, integerMax=null, longMax=null, floatMax=null, doubleMax=null, stringMax=你好师姐!!!, bigdecimalMax=null, dateMax=Wed Dec 12 00:00:00 CST 2012, booleanMin=false, charMin= , byteMin=0, shortMin=0, intMin=0, longMin=0, floatMin=0.0, doubleMin=0.0, character=null)
dateMax-->2012-12-12 charMin--> shortMin-->0 intMin-->0 doubleMin-->0.0 stringMax-->你好师姐!!! byteMin-->0 floatMin-->0.0 booleanMin-->false longMin-->0
fillMap从对象中取出不为空的属性 并且时间自定义
dateMax-->2012-12-12 00:00:00 charMin--> shortMin-->0 intMin-->0 doubleMin-->0.0 stringMax-->你好师姐!!! byteMin-->0 floatMin-->0.0 booleanMin-->false longMin-->0 [TestBean(booleanMax=null, byteMax=null, shortMax=null, integerMax=null, longMax=null, floatMax=null, doubleMax=null, stringMax= , bigdecimalMax=null, dateMax=null, booleanMin=false, charMin= , byteMin=0, shortMin=0, intMin=0, longMin=0, floatMin=0.0, doubleMin=0.0, character=null)]
------>一千万 耗时9秒<------
------>一千万 耗时32秒<------
[TestBean(booleanMax=true, byteMax=1, shortMax=129, integerMax=123456, longMax=132542435, floatMax=12.9, doubleMax=3.55, stringMax=你好师姐!!!, bigdecimalMax=9825485.61551, dateMax=Wed Dec 12 00:00:00 CST 2012, booleanMin=true, charMin=a, byteMin=2, shortMin=5, intMin=55, longMin=555, floatMin=0.9, doubleMin=1.94, character=null)]
[TestBean(booleanMax=null, byteMax=null, shortMax=null, integerMax=null, longMax=null, floatMax=null, doubleMax=null, stringMax=你好师姐!!!, bigdecimalMax=null, dateMax=Wed Dec 12 00:00:00 CST 2012, booleanMin=false, charMin= , byteMin=0, shortMin=0, intMin=0, longMin=0, floatMin=0.0, doubleMin=0.0, character=null)]
[TestBean(booleanMax=null, byteMax=null, shortMax=null, integerMax=null, longMax=null, floatMax=null, doubleMax=null, stringMax=你好师姐!!!, bigdecimalMax=null, dateMax=Wed Dec 12 00:00:00 CST 2012, booleanMin=false, charMin= , byteMin=0, shortMin=0, intMin=0, longMin=0, floatMin=0.0, doubleMin=0.0, character=null)]
[TestBean(booleanMax=null, byteMax=null, shortMax=null, integerMax=null, longMax=null, floatMax=null, doubleMax=null, stringMax=你好师姐!!!, bigdecimalMax=null, dateMax=Wed Dec 12 22:21:20 CST 2012, booleanMin=false, charMin= , byteMin=0, shortMin=0, intMin=0, longMin=0, floatMin=0.0, doubleMin=0.0, character=null)]
longMax=12.3 integerMax=123456 intMin= doubleMin= stringMax=你好师姐!!!
longMax=12.3 integerMax=123456 intMin= doubleMin=
stringMax=你好师姐!!! longMax=12.3 integerMax=123456
longMax=12.3 integerMax=123456 intMin= doubleMin= stringMax=你好师姐!!!
longMax=12.3 integerMax=123456 TestBean(booleanMax=true, byteMax=1, shortMax=129, integerMax=123456, longMax=132542435, floatMax=12.99, doubleMax=null, stringMax=你好师姐!!!, bigdecimalMax=9825485.6, dateMax=Wed Dec 12 00:00:00 CST 2012, booleanMin=true, charMin=a, byteMin=2, shortMin=5, intMin=55, longMin=555, floatMin=0.9, doubleMin=1.94, character=null)
longMax 132542435shortMin 5stringMax 你好师姐!!!byteMin 2floatMax 12.99integerMax 123456booleanMax truedateMax 2012-12-12charMin abyteMax 1intMin 55doubleMin 1.94bigdecimalMax 9825485.6floatMin 0.9booleanMin trueshortMax 129longMin 555TestBean(booleanMax=true, byteMax=1, shortMax=129, integerMax=123456, longMax=132542435, floatMax=12.99, doubleMax=3.55, stringMax=你好师姐!!!, bigdecimalMax=9825485.6, dateMax=Wed Dec 12 00:00:00 CST 2012, booleanMin=true, charMin=a, byteMin=2, shortMin=5, intMin=55, longMin=555, floatMin=0.9, doubleMin=1.94, character=null)
pick
/**
* tips 测试工具
*
* @author: hihuzi 2018/7/20 8:42
*/
public class PickFactoryTest implements Runnable {
private String tip;
/**
* tips 时间格式化 多级父类
*
* @parameter:
* @return:
* @author: hihuzi 2018/10/18 11:16
*/
@Test
public void pick0() throws Exception {
List<TestBean> list = new ArrayList<>();
for (int i = 2; i < 3; i++) {
TestBean userPost = new TestBean();
userPost.setName("你好师姐");
userPost.setId(12345 * i + "");
userPost.setEmail(null);
userPost.setAddress(" ");
list.add(userPost);
}
/**tips 时间格式化 多级父类*/
List<Map> batch7 = PickFactory.batch().pick(list, new PickConfig(PickBase.SaveStyleEnum.REMOVE_NULL_EMPTY,
PickBase.DateStyleEnum.DEFAULT.setFormartStyle("yyyy-MM-dd")), "date", "date0", "date1");
batch7.forEach(map -> System.out.println(map));
List<Map> batch6 = PickFactory.batch().pick(list, new PickConfig(PickBase.SaveStyleEnum.REMOVE_NULL_EMPTY,
PickBase.DateStyleEnum.DEFAULT.setFormartStyle("yyyy-MM-dd")), "date", "date0", "date1");
batch6.forEach(map -> System.out.println(map));
List<Map> batch5 = PickFactory.batch().pick(list, new PickConfig(PickBase.SaveStyleEnum.REMOVE_NULL_EMPTY,
PickBase.DateStyleEnum.DEFAULT.setFormartStyle("yyyy-MM-dd HH:mm:ss")), "date", "date0", "date1");
batch5.forEach(map -> System.out.println(map));
List<Map> batch4 = PickFactory.batch().pick(list, new PickConfig(PickBase.SaveStyleEnum.REMOVE_NULL_EMPTY), "date", "date0", "date1");
batch4.forEach(map -> System.out.println(map));
}
@Test
public void pick() throws Exception {
List<TestBean> list = new ArrayList<>();
for (int i = 2; i < 3; i++) {
TestBean userPost = new TestBean();
userPost.setName("你好师姐");
userPost.setId(12345 * i + "");
userPost.setEmail(null);
userPost.setAddress(" ");
list.add(userPost);
}
/**tips 默认转态*/
List<Map> batch0 = PickFactory.batch().pick(list, "id", "name", "email", "address");
batch0.forEach(map -> System.out.println(map));
/**tips 和 默认一样 首字母大写*/
List<Map> batch = PickFactory.batch().pick(list, new PickConfig(
PickBase.ReturnNameEnum.INITIAL_CAPITAL), "id", "name", "email", "date");
batch.forEach(map -> System.out.println(map));
/** tips 空值丢掉(null 或者 "" " ") 并且全部大写*/
List<Map> batch3 = PickFactory.batch().pick(list, new PickConfig(
PickBase.ReturnNameEnum.UPPER_CASE,
PickBase.SaveStyleEnum.REMOVE_NULL_EMPTY), "id", "name", "email", "date");
batch3.forEach(map -> System.out.println(map));
/**tips 空值不丢掉 并且全部小写*/
List<Map> batch2 = PickFactory.batch().pick(list, new PickConfig(
PickBase.ReturnNameEnum.LOWER_CASE), "id", "name", "email", "date", "address");
batch2.forEach(map -> System.out.println(map));
/**tips 空值不丢掉 重新命名Key*/
List<Map> batch4 = PickFactory.batch().pick(list, new PickConfig(
PickBase.ReturnNameEnum.CUSTOM_SUFFIX.setKey("我就是我!!")), "id", "name", "email", "date", "address");
batch4.forEach(map -> System.out.println(map));
/**tips 时间格式化*/
List<Map> batch5 = PickFactory.batch().pick(list, new PickConfig(
PickBase.DateStyleEnum.DEFAULT.setFormartStyle("yyyy-MM-dd")), "date", "date0");
batch5.forEach(map -> System.out.println(map));
}
/**
* tips 同一对象集合 返回选定字段 返回value(去重)
*
* @author: hihuzi 2018/4/30 15:49
*/
@Test
public void pickValue() throws Exception {
List<TestBean> list = new ArrayList<>();
for (int i = 0; i < 5; i++) {
TestBean userPost = new TestBean();
userPost.setName("你好师姐" + i);
userPost.setId(12345 * i + "");
userPost.setEmail(null);
userPost.setAddress(" ");
list.add(userPost);
}
/**tips 默认设置*/
Set batch1 = PickFactory.batch().pickValue(list, "id", "name", "email");
System.out.println(Arrays.asList(batch1).toString());
/**tips (去掉 NUll 和 "" or " ")*/
Set batch = PickFactory.batch().pickValue(list, new PickConfig(
PickBase.SaveStyleEnum.REMOVE_NULL_EMPTY), "id", "name", "email", "address");
System.out.println(Arrays.asList(batch).toString());
}
/**
* tips 单个对象 返回选定字段
*
* @author: hihuzi 2018/4/30 15:49
*/
@Test
public void pickValue0() throws Exception {
TestBean bean = new TestBean();
bean.setName("你好师姐");
bean.setId(UUID.randomUUID().toString());
bean.setEmail("");
bean.setAddress(UUID.randomUUID().toString().substring(32) + "@163.com");
/**tips 默认 保留 空值*/
Map batch0 = PickFactory.batch().pickValue(bean, "id", "name", "email", "date", "address");
System.out.println(batch0.toString());
/**tips 保留 空值*/
Map batch1 = PickFactory.batch().pickValue(bean, new PickConfig(
PickBase.ReturnNameEnum.DEFAULT), "id", "name", "email", "date", "address");
System.out.println(batch1.toString());
/**tips 舍弃 空值*/
Map batch = PickFactory.batch().pickValue(bean, new PickConfig(
PickBase.SaveStyleEnum.REMOVE_NULL_EMPTY), "id", "name", "email", "date", "address");
System.out.println(batch.toString());
Map<String, Map<String, TypeCache>> classCache = ClassCache.cache;
classCache.forEach((s, typeCacheMap) -> System.err.println(typeCacheMap.size()));
}
/**
* tips 单个对象 返回选定字段
*
* @author: hihuzi 2018/4/30 15:49
*/
@Test
public void pickMap() throws Exception {
Map bean = new HashMap(5);
bean.put("id", UUID.randomUUID());
bean.put("name", "你好师姐");
bean.put("age", "");
bean.put("email", "54465@163.com");
/**tips 默认 保留 空值*/
Map batch0 = PickFactory.batch().pickMap(bean, "id", "name", "email", "age");
System.out.println(batch0.toString());
/**tips 保留 空值*/
Map batch1 = PickFactory.batch().pickMap(bean, new PickConfig(
PickBase.ReturnNameEnum.DEFAULT), "id", "name", "email", "age");
System.out.println(batch1.toString());
/**tips 舍弃 空值*/
Map batch = PickFactory.batch().pickMap(bean, new PickConfig(
PickBase.SaveStyleEnum.REMOVE_NULL_EMPTY), "id", "name", "email", "age");
System.out.println(batch.toString());
Map<String, Map<String, TypeCache>> classCache = ClassCache.cache;
classCache.forEach((s, typeCacheMap) -> System.err.println(typeCacheMap.size()));
}
@Override
public void run() {
TestBean bean = new TestBean();
bean.setDate(new Date());
try {
Map map = PickFactory.batch().pickValue(bean,
new PickConfig(PickBase.DateStyleEnum.DEFAULT.setFormartStyle(this.tip)), "date");
System.out.println(map.toString());
} catch (Exception e) {
e.printStackTrace();
}
}
public void setTip(String tip) {
this.tip = tip;
}
// @Test
// public void mutlThreadTest() {
//
// PickFactoryTest test0 = new PickFactoryTest();
// test0.setTip("yyyy-MM-----dd");
// Map maps = new HashMap(1);
// maps.put("dateMax", "2018!22@22#22-22:22");
// PickFactoryTest test = new PickFactoryTest();
// test.setTip("yyyy!MM@dd#HH-mm:ss");
// List<Thread> threads = new ArrayList<>();
// for (int i = 0; i < 666; i++) {
// Thread thread;
// if (i % 2 == 0) {
// thread = new Thread(test0, "" + i);
// } else {
// thread = new Thread(test, "" + i);
// }
// threads.add(thread);
// }
// for (Thread thread : threads) {
//
// thread.start();
// }
// }
// public static void main(String[] args) {
//
// PickFactoryTest test0 = new PickFactoryTest();
// test0.setTip("yyyy-MM-----dd");
// Map maps = new HashMap(1);
// maps.put("dateMax", "2018!22@22#22-22:22");
// PickFactoryTest test = new PickFactoryTest();
// test.setTip("yyyy!MM@dd#HH-mm:ss");
// List<Thread> threads = new ArrayList<>();
// for (int i = 0; i < 666; i++) {
// Thread thread;
// if (i % 2 == 0) {
// thread = new Thread(test0, "" + i);
// } else {
// thread = new Thread(test, "" + i);
// }
// threads.add(thread);
// }
// for (Thread thread : threads) {
//
// thread.start();
// }
// }
}
测试结果如下
{name=你好师姐, date=2018-11-06, id=cc93df6b-17fe-4338-8dd0-c1bd8bbbe4a5, address=ed15@163.com, email=}
{name=你好师姐, date=2018-11-06, id=cc93df6b-17fe-4338-8dd0-c1bd8bbbe4a5, address=ed15@163.com, email=}
{name=你好师姐, date=2018-11-06, id=cc93df6b-17fe-4338-8dd0-c1bd8bbbe4a5, address=ed15@163.com}
[[0, null, 49380, 24690, 37035, 你好师姐0, 12345, 你好师姐4, 你好师姐3, 你好师姐2, 你好师姐1]]
[[37035, 你好师姐0, 你好师姐4, 你好师姐3, 你好师姐2, 你好师姐1, 0, 49380, 24690, 12345]]
{name=你好师姐, id=95a8d201-b307-4a7d-a093-a6759250817e, email=54465@163.com, age=}
{name=你好师姐, id=95a8d201-b307-4a7d-a093-a6759250817e, email=54465@163.com, age=}
{name=你好师姐, email=54465@163.com, id=95a8d201-b307-4a7d-a093-a6759250817e}
{name=你好师姐, id=24690, address= , email=}
{Id=24690, Email=, Date=2018-11-06, Name=你好师姐}
5
{DATE=2018-11-06, ID=24690, NAME=你好师姐}
{name=你好师姐, date=2018-11-06, id=24690, address= , email=}
{我就是我!!id=24690, 我就是我!!name=你好师姐, 我就是我!!date=2018-11-06, 我就是我!!email=, 我就是我!!address= }
{date=2018-11-06, date0=2018-11-06}
{date=2018-11-06, date1=2018-11-06, date0=2018-11-06}
{date=2018-11-06, date1=2018-11-06, date0=2018-11-06}
{date=2018-11-06 22:45:57, date1=2018-11-06 22:45:57, date0=2018-11-06 22:45:57}
{date=2018-11-06, date1=2018-11-06, date0=2018-11-06}
5.readme
也是第一次在这里发点东西,希望有梦想盆友多多指点
---hihuzi 2018-10-30 pm
4.地址
https://github.com/hioo520/collectionTool.git
https://gitee.com/hihuzi-top/collection_tool.git
