From 34313ee01f28fd29839cf65da333615df05173a2 Mon Sep 17 00:00:00 2001
From: fengshuonan <sn93@qq.com>
Date: Thu, 3 Aug 2023 15:17:34 +0800
Subject: [PATCH] =?UTF-8?q?=E3=80=908.0=E3=80=91=E3=80=90rule=E3=80=91?=
 =?UTF-8?q?=E6=9B=B4=E6=96=B0=E6=8E=92=E5=BA=8F=E5=B7=A5=E5=85=B7=E7=B1=BB?=
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---
 .../roses/kernel/rule/util/SortUtils.java     | 44 +++++++++++++++++++
 .../kernel/rule/util/sort/GetSortKey.java     | 19 ++++++++
 2 files changed, 63 insertions(+)
 create mode 100644 kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/util/SortUtils.java
 create mode 100644 kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/util/sort/GetSortKey.java

diff --git a/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/util/SortUtils.java b/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/util/SortUtils.java
new file mode 100644
index 000000000..8ed129c94
--- /dev/null
+++ b/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/util/SortUtils.java
@@ -0,0 +1,44 @@
+package cn.stylefeng.roses.kernel.rule.util;
+
+import cn.hutool.core.util.ObjectUtil;
+import cn.stylefeng.roses.kernel.rule.util.sort.GetSortKey;
+
+import java.util.LinkedList;
+import java.util.List;
+
+/**
+ * 排序工具类
+ * <p>
+ * 一般用来弥补数据库排序功能不足的情况
+ *
+ * @author fengshuonan
+ * @since 2023/8/3 14:43
+ */
+public class SortUtils {
+
+    /**
+     * 对list进行排序，以keys数组传的顺序为准
+     *
+     * @author fengshuonan
+     * @since 2023/8/3 14:44
+     */
+    public static <T extends GetSortKey> List<T> sortListByObjectKey(List<T> originList, List<?> keys) {
+
+        if (ObjectUtil.isEmpty(originList) || ObjectUtil.isEmpty(keys)) {
+            return originList;
+        }
+
+        List<T> newSortList = new LinkedList<>();
+        for (Object key : keys) {
+            for (T listItem : originList) {
+                Object sortKey = listItem.getSortKey();
+                if (ObjectUtil.equal(key, sortKey)) {
+                    newSortList.add(listItem);
+                }
+            }
+        }
+
+        return newSortList;
+    }
+
+}
diff --git a/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/util/sort/GetSortKey.java b/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/util/sort/GetSortKey.java
new file mode 100644
index 000000000..d1e3621a9
--- /dev/null
+++ b/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/util/sort/GetSortKey.java
@@ -0,0 +1,19 @@
+package cn.stylefeng.roses.kernel.rule.util.sort;
+
+/**
+ * 获取排序的key
+ *
+ * @author fengshuonan
+ * @since 2023/8/3 14:42
+ */
+public interface GetSortKey {
+
+    /**
+     * 获取对象中被排序的Key
+     *
+     * @author fengshuonan
+     * @since 2023/8/3 14:42
+     */
+    Object getSortKey();
+
+}