From 1cbe89f39b8891734e1b5e6a19436fce6c39da83 Mon Sep 17 00:00:00 2001
From: ZhouXY108 <luquanlion@outlook.com>
Date: Thu, 29 Jun 2023 01:18:48 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B0=83=E6=95=B4=20IWithCode=20=E7=9B=B8?=
 =?UTF-8?q?=E5=85=B3=E6=8E=A5=E5=8F=A3=E3=80=82?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../commons/exception/BaseException.java      |  2 +-
 .../plusone/commons/exception/IWithCode.java  |  8 +++--
 .../commons/exception/IWithIntCode.java       | 29 +++++++++++++++++++
 3 files changed, 35 insertions(+), 4 deletions(-)
 create mode 100644 src/main/java/xyz/zhouxy/plusone/commons/exception/IWithIntCode.java

diff --git a/src/main/java/xyz/zhouxy/plusone/commons/exception/BaseException.java b/src/main/java/xyz/zhouxy/plusone/commons/exception/BaseException.java
index 1e4e930..33390ab 100644
--- a/src/main/java/xyz/zhouxy/plusone/commons/exception/BaseException.java
+++ b/src/main/java/xyz/zhouxy/plusone/commons/exception/BaseException.java
@@ -21,7 +21,7 @@ package xyz.zhouxy.plusone.commons.exception;
  *
  * @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
  */
-public abstract class BaseException extends RuntimeException implements IWithCode {
+public abstract class BaseException extends RuntimeException implements IWithIntCode {
 
     private static final long serialVersionUID = -2546365325001947203L;
 
diff --git a/src/main/java/xyz/zhouxy/plusone/commons/exception/IWithCode.java b/src/main/java/xyz/zhouxy/plusone/commons/exception/IWithCode.java
index d061c36..3deeae8 100644
--- a/src/main/java/xyz/zhouxy/plusone/commons/exception/IWithCode.java
+++ b/src/main/java/xyz/zhouxy/plusone/commons/exception/IWithCode.java
@@ -16,14 +16,16 @@
 
 package xyz.zhouxy.plusone.commons.exception;
 
+import javax.annotation.Nonnull;
+
 /**
  * 规定实现类带有 {@code getCode} 方法。
  * 用于像自定义异常等需要带有 {@code code} 字段的类，
  * 方便其它地方的程序判断该类的是否实现了此接口，以此获取其实例的 {@code code} 字段的值。
  *
  * @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
- * @see BaseException
  */
-public interface IWithCode {
-    int getCode();
+public interface IWithCode<T> {
+    @Nonnull
+    T getCode();
 }
diff --git a/src/main/java/xyz/zhouxy/plusone/commons/exception/IWithIntCode.java b/src/main/java/xyz/zhouxy/plusone/commons/exception/IWithIntCode.java
new file mode 100644
index 0000000..a2258f8
--- /dev/null
+++ b/src/main/java/xyz/zhouxy/plusone/commons/exception/IWithIntCode.java
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2022-2023 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package xyz.zhouxy.plusone.commons.exception;
+
+/**
+ * 规定实现类带有 {@code getCode} 方法。
+ * 用于像自定义异常等需要带有 {@code code} 字段的类，
+ * 方便其它地方的程序判断该类的是否实现了此接口，以此获取其实例的 {@code code} 字段的值。
+ *
+ * @author <a href="https://gitee.com/zhouxy108">ZhouXY</a>
+ * @see BaseException
+ */
+public interface IWithIntCode {
+    int getCode();
+}