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@@ -2,6 +2,7 @@ package com.diagbot.util;
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import com.diagbot.biz.push.entity.Item;
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import com.diagbot.biz.push.entity.Lis;
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+import com.diagbot.dto.PushBaseDTO;
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import com.diagbot.dto.RuleBaseDTO;
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import com.diagbot.enums.LexiconEnum;
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import com.diagbot.model.entity.BodyPart;
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@@ -161,16 +162,13 @@ public class CoreUtil {
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* @return : 父类中的属性值
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*/
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public static Object getFieldValue(Object object, String fieldName) {
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- //根据 对象和属性名通过反射 调用上面的方法获取 Field对象
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- Field field = getDeclaredField(object, fieldName);
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-
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- //抑制Java对其的检查
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- field.setAccessible(true);
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-
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try {
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+ //根据 对象和属性名通过反射 调用上面的方法获取 Field对象
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+ Field field = getDeclaredField(object, fieldName);
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+ //抑制Java对其的检查
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+ field.setAccessible(true);
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//获取 object 中 field 所代表的属性值
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return field.get(object);
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-
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} catch (Exception e) {
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e.printStackTrace();
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}
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@@ -969,36 +967,105 @@ public class CoreUtil {
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*
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* @param list
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*/
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- public static List<String> removeRepeat(List<String> list) {
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+ public static <T> List<T> removeRepeat(List<T> list) {
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if (ListUtil.isNotEmpty(list) && list.size() > 1) {
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list = list.stream().distinct().collect(Collectors.toList());
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}
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return list;
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}
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+ /**
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+ * 根据属性去除重复元素
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+ *
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+ * @param source
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+ * @param property
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+ * @param <T>
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+ */
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+ public static <T> void removeByRepeatProperty(List<T> source, String property) {
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+ if (ListUtil.isEmpty(source)) {
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+ return ;
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+ }
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+ List<Object> list = Lists.newArrayList();
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+ Iterator<T> iterator = source.iterator();
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+ T t = null;
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+ Object object = null;
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+ while(iterator.hasNext()) {
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+ t = iterator.next();
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+ object = getFieldValue(t, property);
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+ if (list.contains(object)) {
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+ iterator.remove();
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+ } else {
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+ list.add(object);
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+ }
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+ }
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+ }
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+
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+ /**
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+ * 获取指定属性且过滤属性的名称列表，例如：获取对象negative不为null的uniqueName字段值
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+ *
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+ * @param input
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+ * @param propertyName
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+ * @param filterProperty
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+ * @param <T>
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+ * @return
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+ */
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+ public static <T> List<String> getPropertyWithFilter(List<T> input, String propertyName, String filterProperty) {
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+ List<String> res = Lists.newArrayList();
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+ if (ListUtil.isNotEmpty(input)) {
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+ for (T d : input) {
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+ Negative val = (Negative) CoreUtil.getFieldValue(d, filterProperty);
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+ if (val != null) {
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+ String name = (String) CoreUtil.getFieldValue(d, propertyName);
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+ if (StringUtil.isNotBlank(name)) {
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+ res.add(name);
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+ }
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+ }
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+ }
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+ }
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+ return res;
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+ }
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+
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public static void main(String[] args) {
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- List<Item> list = new ArrayList<>();
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- Item item = new Item();
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- item.setUniqueName("test1");
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- item.setName("test");
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- list.add(item);
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-
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- Item item2 = new Item();
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- item2.setUniqueName("test2");
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- item2.setName("test");
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- list.add(item2);
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-
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- Item item3 = new Item();
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- item3.setUniqueName("test1");
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- item3.setName("test");
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- list.add(item3);
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-
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- Item item4 = new Item();
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- item4.setUniqueName("test2");
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- item4.setName("test");
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- list.add(item4);
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- Map<String, List<Item>> map = makeEntityListMap(list, "name", "uniqueName");
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-
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- System.out.println(map);
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+ List<PushBaseDTO> pushBaseDTOList = ListUtil.newArrayList();
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+ PushBaseDTO pushBaseDTO = new PushBaseDTO();
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+ pushBaseDTO.setName("a1");
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+ pushBaseDTOList.add(pushBaseDTO);
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+
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+ PushBaseDTO pushBaseDTO1 = new PushBaseDTO();
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+ pushBaseDTO1.setName("a1");
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+ pushBaseDTOList.add(pushBaseDTO1);
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+
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+ removeByRepeatProperty(pushBaseDTOList, "name");
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+ System.out.println(pushBaseDTOList);
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+
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+ // List<String> list = Lists.newArrayList("a","b","a");
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+ // list = removeRepeat(list);
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+ // System.out.println(list);
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+ // System.out.println(pushBaseDTOList);
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+
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+
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+ // List<Item> list = new ArrayList<>();
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+ // Item item = new Item();
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+ // item.setUniqueName("test1");
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+ // item.setName("test");
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+ // list.add(item);
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+ //
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+ // Item item2 = new Item();
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+ // item2.setUniqueName("test2");
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+ // item2.setName("test");
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+ // list.add(item2);
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+ //
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+ // Item item3 = new Item();
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+ // item3.setUniqueName("test1");
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+ // item3.setName("test");
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+ // list.add(item3);
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+ //
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+ // Item item4 = new Item();
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+ // item4.setUniqueName("test2");
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+ // item4.setName("test");
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+ // list.add(item4);
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+ // Map<String, List<Item>> map = makeEntityListMap(list, "name", "uniqueName");
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+ //
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+ // System.out.println(map);
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}
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}
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wangfeng