Optimizing code (#2240)

* updated

* optimized the code

* Delete ParameterUtils.java

* rollback source code

* rollback source code

* rollback source code

Co-authored-by: dailidong <dailidong66@gmail.com>

CONTRIBUTING.md

@@ -1,35 +1,53 @@
-* First from the remote repository *https://github.com/apache/incubator-dolphinscheduler.git* fork code to your own repository
 
-* there are three branches in the remote repository currently:
+# Development
-     * master normal delivery branch
-            After the stable version is released, the code for the stable version branch is merged into the master branch.
 
-    * dev daily development branch
+Start by forking the dolphinscheduler GitHub repository, make changes in a branch and then send a pull request.
-            The daily development branch, the newly submitted code can pull requests to this branch.
 
+## Set up your dolphinscheduler GitHub Repository
 
-* Clone your own warehouse to your local
+There are three branches in the remote repository currently:
+  - `master` : normal delivery branch. After the stable version is released, the code for the stable version branch is merged into the master branch.
             
-    `git clone https://github.com/apache/incubator-dolphinscheduler.git`
+  - `dev` : daily development branch. The daily development branch, the newly submitted code can pull requests to this branch.
   
-* Add remote repository address, named upstream
+  - `x.x.x-release` : the stable release version.
 
-   `git remote add upstream https://github.com/apache/incubator-dolphinscheduler.git`
+So, you should fork the `dev` branch.
 
-* View repository:
+After forking the [dolphinscheduler upstream source repository](https://github.com/apache/incubator-dolphinscheduler/fork) to your personal repository, you can set your  personal development environment.
 
-    `git remote -v`
+```sh
+$ cd <your work direcotry>
+$ git clone < your personal forked dolphinscheduler repo>
+$ cd incubator-dolphinscheduler
+```
+
+## Set git remote as ``upstream``
+
+Add remote repository address, named upstream
 
-> There will be two repositories at this time: origin (your own warehouse) and upstream (remote repository)
+```sh
+git remote add upstream https://github.com/apache/incubator-dolphinscheduler.git
+```
+
+View repository:
 
-* Get/update remote repository code (already the latest code, skip it)
+```sh
+git remote -v
+```
 
-   `git fetch upstream`
+There will be two repositories at this time: origin (your own warehouse) and upstream (remote repository)
 
+Get/update remote repository code (already the latest code, skip it).
 
-* Synchronize remote repository code to local repository
 
+```sh
+git fetch upstream
 ```
+
+Synchronize remote repository code to local repository
+
+```sh
 git checkout origin/dev
 git merge --no-ff upstream/dev
 ```
@@ -41,24 +59,46 @@ git checkout -b dev-1.0 upstream/dev-1.0
 git push --set-upstream origin dev1.0
 ```
 
-* After modifying the code locally, submit it to your own repository:
+## Create your feature branch
+Before making code changes, make sure you create a separate branch for them.
+
+```sh
+$ git checkout -b <your-feature>
+```
+
+## Commit changes
+After modifying the code locally, submit it to your own repository:
 
-`git commit -m 'test commit'`
+```sh
-`git push`
+
+git commit -m 'information about your feature'
+```
+
+## Push to the branch
 
-* Submit changes to the remote repository
 
-* On the github page, click on the new pull request.
+Push your locally committed changes to the remote origin (your fork).
+
+```
+$ git push origin <your-feature>
+```
+
+## Create a pull request
+
+After submitting changes to your remote repository, you should click on the new pull request On the following github page.
+
 <p align = "center">
 <img src = "http://geek.analysys.cn/static/upload/221/2019-04-02/90f3abbf-70ef-4334-b8d6-9014c9cf4c7f.png" width ="60%"/>
 </p>
 
-* Select the modified local branch and the branch to merge past to create a pull request.
+
+Select the modified local branch and the branch to merge past to create a pull request.
+
 <p align = "center">
 <img src = "http://geek.analysys.cn/static/upload/221/2019-04-02/fe7eecfe-2720-4736-951b-b3387cf1ae41.png" width ="60%"/>
 </p>
 
-*  Next, the administrator is responsible for **merging** to complete the pull request
+Next, the administrator is responsible for **merging** to complete the pull request.
 
 
 

dolphinscheduler-dao/src/main/java/org/apache/dolphinscheduler/dao/AlertDao.java

@@ -99,13 +99,7 @@ public class AlertDao extends AbstractBaseDao {
         String content = String.format("[{'type':'%s','host':'%s','event':'server down','warning level':'serious'}]",
                 serverType, host);
         alert.setTitle("Fault tolerance warning");
-        alert.setShowType(ShowType.TABLE);
+        saveTaskTimeoutAlert(alert, content, alertgroupId, null, null);
-        alert.setContent(content);
-        alert.setAlertType(AlertType.EMAIL);
-        alert.setAlertGroupId(alertgroupId);
-        alert.setCreateTime(new Date());
-        alert.setUpdateTime(new Date());
-        alertMapper.insert(alert);
     }
 
     /**
@@ -121,6 +115,11 @@ public class AlertDao extends AbstractBaseDao {
         String content = String.format("[{'id':'%d','name':'%s','event':'timeout','warnLevel':'middle'}]",
                 processInstance.getId(), processInstance.getName());
         alert.setTitle("Process Timeout Warn");
+        saveTaskTimeoutAlert(alert, content, alertgroupId, receivers, receiversCc);
+    }
+
+    private void  saveTaskTimeoutAlert(Alert alert, String content, int alertgroupId,
+                                    String receivers,  String receiversCc){
         alert.setShowType(ShowType.TABLE);
         alert.setContent(content);
         alert.setAlertType(AlertType.EMAIL);
@@ -150,19 +149,7 @@ public class AlertDao extends AbstractBaseDao {
         String content = String.format("[{'process instance id':'%d','task name':'%s','task id':'%d','task name':'%s'," +
                         "'event':'timeout','warnLevel':'middle'}]", processInstanceId, processInstanceName, taskId, taskName);
         alert.setTitle("Task Timeout Warn");
-        alert.setShowType(ShowType.TABLE);
+        saveTaskTimeoutAlert(alert, content, alertgroupId, receivers, receiversCc);
-        alert.setContent(content);
-        alert.setAlertType(AlertType.EMAIL);
-        alert.setAlertGroupId(alertgroupId);
-        if (StringUtils.isNotEmpty(receivers)) {
-            alert.setReceivers(receivers);
-        }
-        if (StringUtils.isNotEmpty(receiversCc)) {
-            alert.setReceiversCc(receiversCc);
-        }
-        alert.setCreateTime(new Date());
-        alert.setUpdateTime(new Date());
-        alertMapper.insert(alert);
     }
 
     /**