From 669522ba5892479ae4498c93543df7f05793fc98 Mon Sep 17 00:00:00 2001
From: seahi <me@seahi.me>
Date: Wed, 18 Dec 2024 08:59:14 +0800
Subject: [PATCH] refactor: make factory class constructor private

---
 src/dao/DAOFactory.java         | 7 +++++++
 src/service/ServiceFactory.java | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/src/dao/DAOFactory.java b/src/dao/DAOFactory.java
index 2b31ce9..e4706db 100644
--- a/src/dao/DAOFactory.java
+++ b/src/dao/DAOFactory.java
@@ -12,6 +12,13 @@ public class DAOFactory {
     private static final TeacherDAO teacherDAO = new TeacherDAOImpl();
     private static final LeaveRequestDAO leaveRequestDAO = new LeaveRequestDAOImpl();
 
+    /**
+     * 私有构造函数，防止实例化
+     */
+    private DAOFactory() {
+        // 私有构造函数，阻止实例化
+    }
+
     /**
      * 获取StudentDAO实例
      * @return StudentDAO实例
diff --git a/src/service/ServiceFactory.java b/src/service/ServiceFactory.java
index 239fac3..dfdb462 100644
--- a/src/service/ServiceFactory.java
+++ b/src/service/ServiceFactory.java
@@ -8,6 +8,13 @@ public class ServiceFactory {
     private static final TeacherService teacherService = new TeacherService();
     private static final LeaveRequestService leaveRequestService = new LeaveRequestService();
 
+    /**
+     * 私有构造函数，防止实例化
+     */
+    private ServiceFactory() {
+        // 私有构造函数，阻止实例化
+    }
+
     /**
      * 获取StudentService实例
      * @return StudentService实例