From: 刘洪青 <hongqing.liu@supwisdom.com>
Date: Thu, 19 Sep 2019 10:12:38 +0000 (+0800)
Subject: feat: 增加list去重的工具类方法
X-Git-Tag: v0.0.1^2~33
X-Git-Url: https://source.supwisdom.com/gerrit/gitweb?a=commitdiff_plain;h=9e4bf73b84fea52c272857ba09e99a0312d4bdda;p=institute%2Fsw-backend.git

feat: 增加list去重的工具类方法
---

diff --git a/common/framework/src/main/java/com/supwisdom/institute/backend/common/framework/entity/EntityUtils.java b/common/framework/src/main/java/com/supwisdom/institute/backend/common/framework/entity/EntityUtils.java
index 902c592..b1363fb 100644
--- a/common/framework/src/main/java/com/supwisdom/institute/backend/common/framework/entity/EntityUtils.java
+++ b/common/framework/src/main/java/com/supwisdom/institute/backend/common/framework/entity/EntityUtils.java
@@ -2,7 +2,12 @@ package com.supwisdom.institute.backend.common.framework.entity;
 
 import java.lang.reflect.Field;
 import java.lang.reflect.Modifier;
+import java.util.ArrayList;
+import java.util.Comparator;
 import java.util.Date;
+import java.util.List;
+import java.util.TreeSet;
+import java.util.stream.Collectors;
 
 import javax.persistence.Column;
 import javax.persistence.Id;
@@ -20,6 +25,16 @@ import lombok.ToString;
  *
  */
 public class EntityUtils {
+  
+
+  public static <T extends ABaseEntity> List<T> distinctList(List<T> list) {
+    return list.stream()
+        .collect(
+            Collectors.collectingAndThen(
+                Collectors.toCollection(() -> new TreeSet<>(Comparator.comparing(T::getId))), ArrayList<T>::new
+            )
+        );
+  }
 
   /**
    * 合并 domain 中带有{@link Column}注解的字段值， 将 newEntity 中值为null的字段，使用 oldEntity 中的值