3.1.1：Add object deep copy function to facilitate users to save the objects before change

Author: yeecode

README.md

@@ -4,7 +4,7 @@
 
 # [ObjectLogger](https://github.com/yeecode/ObjectLogger)
 ![language](https://img.shields.io/badge/language-java-green.svg)
-![version](https://img.shields.io/badge/mvn-3.0.1-blue.svg?style=flat)
+![version](https://img.shields.io/badge/mvn-3.1.1-blue.svg?style=flat)
 [![codebeat badge](https://codebeat.co/badges/94beca78-0817-4a27-9544-326afe35339f)](https://codebeat.co/projects/github-com-yeecode-objectlogger-master)
 ![license](https://img.shields.io/badge/license-Apache-brightgreen.svg)
 
@@ -242,19 +242,20 @@ This function can automatically complete the comparison between old and new obje
 For example:
 
 ```
-CleanRoomTask oldTask = new CleanRoomTask();
-oldTask.setId(5);
-oldTask.setTaskName("Demo Task");
-oldTask.setStatus("TODO");
-oldTask.setDescription("Do something...");
+CleanRoomTask task = new CleanRoomTask();
+task.setId(5);
+task.setTaskName("Demo Task");
+task.setStatus("TODO");
+task.setDescription("Do something...");
 
-CleanRoomTask newTask = new CleanRoomTask();
-newTask.setId(5);
-newTask.setTaskName("Demo Task");
-newTask.setStatus("DOING");
-newTask.setDescription("The main job is to clean the floor.");
-newTask.setAddress("Sunny Street");
-newTask.setRoomNumber(702);
+CleanRoomTask oldTask = logClient.deepCopy(task);
+
+task.setId(5);
+task.setTaskName("Demo Task");
+task.setStatus("DOING");
+task.setDescription("The main job is to clean the floor.");
+task.setAddress("Sunny Street");
+task.setRoomNumber(702);
 
 logClient.logObject(
                 cleanRoomTask.getId().toString(),
@@ -264,7 +265,7 @@ logClient.logObject(
                 null,
                 null,
                 oldTask,
-                newTask);
+                task);
 ```
 
 Query form ObjectLoggerServer：
@@ -428,7 +429,7 @@ public class ExtendedTypeHandler implements BaseExtendedTypeHandler {
 
 ## 9 Roadmap
 
-- TODO：Added object deep copy function
+- 3.1.1：Add object deep copy function to facilitate users to save the objects before change
 - 3.0.1：Optimizing System Naming, represent the difference value with json
 - 3.0.0：Optimizing System Naming
 - 2.3.0：Added automatic recording for inherited attributes

README_CN.md

@@ -4,7 +4,7 @@
 
 # [ObjectLogger](https://github.com/yeecode/ObjectLogger)
 ![language](https://img.shields.io/badge/language-java-green.svg)
-![version](https://img.shields.io/badge/mvn-3.0.1-blue.svg?style=flat)
+![version](https://img.shields.io/badge/mvn-3.1.1-blue.svg?style=flat)
 [![codebeat badge](https://codebeat.co/badges/94beca78-0817-4a27-9544-326afe35339f)](https://codebeat.co/projects/github-com-yeecode-objectlogger-master)
 ![license](https://img.shields.io/badge/license-Apache-brightgreen.svg)
 
@@ -244,19 +244,20 @@ http://127.0.0.1:12301/ObjectLoggerServer/log/query?appName=ObjectLoggerDemo&obj
 例如，业务系统这样调用：
 
 ```
-CleanRoomTask oldTask = new CleanRoomTask();
-oldTask.setId(5);
-oldTask.setTaskName("Demo Task");
-oldTask.setStatus("TODO");
-oldTask.setDescription("Do something...");
+CleanRoomTask task = new CleanRoomTask();
+task.setId(5);
+task.setTaskName("Demo Task");
+task.setStatus("TODO");
+task.setDescription("Do something...");
 
-CleanRoomTask newTask = new CleanRoomTask();
-newTask.setId(5);
-newTask.setTaskName("Demo Task");
-newTask.setStatus("DOING");
-newTask.setDescription("The main job is to clean the floor.");
-newTask.setAddress("Sunny Street");
-newTask.setRoomNumber(702);
+CleanRoomTask oldTask = logClient.deepCopy(task);
+
+task.setId(5);
+task.setTaskName("Demo Task");
+task.setStatus("DOING");
+task.setDescription("The main job is to clean the floor.");
+task.setAddress("Sunny Street");
+task.setRoomNumber(702);
 
 logClient.logObject(
                 cleanRoomTask.getId().toString(),
@@ -266,7 +267,7 @@ logClient.logObject(
                 null,
                 null,
                 oldTask,
-                newTask);
+                task);
 ```
 
 则我们可以使用下面查询条件：
@@ -432,7 +433,7 @@ public class ExtendedTypeHandler implements BaseExtendedTypeHandler {
 
 ## 9 Roadmap
 
-- TODO：增加对象深度镜像功能
+- 3.1.1：增加对象深度拷贝功能，便于用户保存变更前的对象
 - 3.0.1: 优化系统命名，对比值输出转为灵活的json
 - 3.0.0：优化系统命名
 - 2.3.0：增加对继承属性的自动记录功能

client/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.github.yeecode.objectlogger</groupId>
         <artifactId>ObjectLogger</artifactId>
-        <version>3.0.1</version>
+        <version>3.1.1</version>
     </parent>
     <artifactId>ObjectLoggerClient</artifactId>
     <packaging>jar</packaging>

client/src/main/java/com/github/yeecode/objectlogger/client/service/LogClient.java

@@ -6,6 +6,7 @@
 import com.github.yeecode.objectlogger.client.model.BaseAttributeModel;
 import com.github.yeecode.objectlogger.client.task.LogAttributesTask;
 import com.github.yeecode.objectlogger.client.task.LogObjectTask;
+import com.google.gson.Gson;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
@@ -24,6 +25,17 @@ public class LogClient {
 
     private ExecutorService fixedThreadPool = Executors.newFixedThreadPool(10);
 
+    /**
+     * Get a deep copy of the input object
+     *
+     * @param originalObject Original object
+     * @param <T> Type of original object
+     * @return Deep copy of the original object
+     */
+    public <T> T deepCopy(T originalObject) {
+        Gson gson = new Gson();
+        return gson.fromJson(gson.toJson(originalObject), (Class<T>)originalObject.getClass());
+    }
 
     /**
      * Auto diff old/new object and write one log

client/target/ObjectLoggerClient-3.0.1-javadoc.jar

@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.github.yeecode.objectlogger</groupId>
         <artifactId>ObjectLogger</artifactId>
-        <version>3.0.1</version>
+        <version>3.1.1</version>
     </parent>
     <artifactId>ObjectLoggerClient</artifactId>
     <packaging>jar</packaging>

client/target/ObjectLoggerClient-3.1.1-javadoc.jar

@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.github.yeecode.objectlogger</groupId>
         <artifactId>ObjectLogger</artifactId>
-        <version>3.0.1</version>
+        <version>3.1.1</version>
     </parent>
     <artifactId>ObjectLoggerDemo</artifactId>
 

client/target/ObjectLoggerClient-3.0.1-sources.jar renamed to client/target/ObjectLoggerClient-3.1.1-sources.jar

@@ -70,14 +70,12 @@ public String start() {
     @RequestMapping(value = "/update")
     public String update() {
         initTask();
-        CleanRoomTask oldTask = cleanRoomTask;
-        // Omission: Read and write database operations
+        // Get a deep copy of the original object
+        CleanRoomTask oldTask = logClient.deepCopy(cleanRoomTask);
 
-        CleanRoomTask newTask = new CleanRoomTask();
-        newTask.setId(5);
-        newTask.setTaskName("Demo Task");
-        newTask.setStatus("DOING");
-        newTask.setDescription("" +
+        // Modify the original object
+        cleanRoomTask.setStatus("DOING");
+        cleanRoomTask.setDescription("" +
                 "<p>" +
                 "What is poetry? Who knows<br>" +
                 "Not a rose, but the scent of the rose.<br>" +
@@ -98,20 +96,20 @@ public String update() {
                 "See ,hear and feel something that prose<br>" +
                 "Cannot: and what it is who knows.</p>" +
                 "<h2>yes!</h2>");
-        newTask.setAddress("Sunny Street");
-        newTask.setRoomNumber(702);
+        cleanRoomTask.setAddress("Sunny Street");
+        cleanRoomTask.setRoomNumber(702);
 
 
         // Usage 3: Automatically analyze and record changes in object attributes
         logClient.logObject(
-                cleanRoomTask.getId().toString(),
+                this.cleanRoomTask.getId().toString(),
                 "Tom",
                 "update",
                 "Update a Task",
                 null,
                 null,
                 oldTask,
-                newTask);
+                cleanRoomTask);
 
         return "success";
     }

client/target/ObjectLoggerClient-3.0.1.jar renamed to client/target/ObjectLoggerClient-3.1.1.jar

@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.github.yeecode.objectlogger</groupId>
         <artifactId>ObjectLogger</artifactId>
-        <version>3.0.1</version>
+        <version>3.1.1</version>
     </parent>
     <artifactId>ObjectLoggerDemo</artifactId>
 

client/target/ObjectLoggerClient-3.0.1.pom renamed to client/target/ObjectLoggerClient-3.1.1.pom

@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.github.yeecode.objectlogger</groupId>
     <artifactId>ObjectLogger</artifactId>
-    <version>3.0.1</version>
+    <version>3.1.1</version>
     <name>ObjectLogger</name>
 
     <modules>

demo/pom.xml

@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.github.yeecode.objectlogger</groupId>
         <artifactId>ObjectLogger</artifactId>
-        <version>3.0.1</version>
+        <version>3.1.1</version>
     </parent>
     <artifactId>ObjectLoggerServer</artifactId>
     <packaging>jar</packaging>

demo/src/main/java/com/github/yeecode/objectlogger/demo/controller/TaskController.java

@@ -5,7 +5,7 @@
     <parent>
         <groupId>com.github.yeecode.objectlogger</groupId>
         <artifactId>ObjectLogger</artifactId>
-        <version>3.0.1</version>
+        <version>3.1.1</version>
     </parent>
     <artifactId>ObjectLoggerServer</artifactId>
     <packaging>jar</packaging>

demo/target/ObjectLoggerDemo-3.0.1-javadoc.jar

@@ -4,7 +4,7 @@
     <modelVersion>4.0.0</modelVersion>
     <groupId>com.github.yeecode.objectlogger</groupId>
     <artifactId>ObjectLogger</artifactId>
-    <version>3.0.1</version>
+    <version>3.1.1</version>
     <name>ObjectLogger</name>
 
     <modules>