Activiti的刪除流程

一 代碼

/**
* Copyright (C), 2020-2020, 軟件公司
* FileName: DeleteProcessInstance.java
* Author:   cakin
* Date:     2020/4/25
* Description: 刪除流程實例
*/
package com.syc.activiti.chapter9;

import lombok.extern.slf4j.Slf4j;
import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.RuntimeService;
import org.activiti.engine.runtime.ProcessInstance;

/**
* @className: DeleteProcessInstance
* @description: 刪除流程實例
* @date: 2020/4/25
* @author: cakin
*/
@Slf4j
public class DeleteProcessInstance {
    public static void main( String[] args ) {
        // 創建流程引擎
        ProcessEngine engine = ProcessEngines.getDefaultProcessEngine();
        // 得到流程存儲服務實例
        RepositoryService repositoryService = engine.getRepositoryService();
        // 得到運行時服務組件
        RuntimeService runtimeService = engine.getRuntimeService();
        // 部署流程描述文件
        repositoryService.createDeployment()
                .addClasspathResource("bpmn/chapter9/DeleteProcess.bpmn").deploy();
        // 開始流流程
        ProcessInstance pi = runtimeService.startProcessInstanceByKey("testProcess");
        long count = runtimeService.createProcessInstanceQuery().count();
        log.info("啓動時流程實例數量：" + count);

/******************************************************************************************
mysql> select ID_, REV_,PROC_INST_ID_ ,BUSINESS_KEY_ ,PARENT_ID_ ,PROC_DEF_ID_ ,SUPER_EXEC_,ROOT_PROC_INST_ID_ ,ACT_ID_ from act_ru_execution;
+--------+------+---------------+---------------+------------+----------------------+-------------+--------------------+-----------+
| ID_    | REV_ | PROC_INST_ID_ | BUSINESS_KEY_ | PARENT_ID_ | PROC_DEF_ID_         | SUPER_EXEC_ | ROOT_PROC_INST_ID_ | ACT_ID_   |
+--------+------+---------------+---------------+------------+----------------------+-------------+--------------------+-----------+
| 217505 |    1 | 217505        | NULL          | NULL       | testProcess:1:217504 | NULL        | 217505             | NULL      |
| 217506 |    1 | 217505        | NULL          | 217505     | testProcess:1:217504 | NULL        | 217505             | usertask1 |
| 217509 |    1 | 217505        | NULL          | 217505     | testProcess:1:217504 | NULL        | 217505             | usertask3 |
+--------+------+---------------+---------------+------------+----------------------+-------------+--------------------+-----------+
3 rows in set (0.00 sec)

mysql> select ID_ ,REV_, EXECUTION_ID_, PROC_INST_ID_ , PROC_DEF_ID_, NAME_ , PARENT_TASK_ID_ , DESCRIPTION_ , TASK_DEF_KEY_ , OWNER_, ASSIGNEE_  from act_ru_task;
+--------+------+---------------+---------------+----------------------+-------------+-----------------+--------------+---------------+--------+-----------+
| ID_    | REV_ | EXECUTION_ID_ | PROC_INST_ID_ | PROC_DEF_ID_         | NAME_       | PARENT_TASK_ID_ | DESCRIPTION_ | TASK_DEF_KEY_ | OWNER_ | ASSIGNEE_ |
+--------+------+---------------+---------------+----------------------+-------------+-----------------+--------------+---------------+--------+-----------+
| 217511 |    1 | 217506        | 217505        | testProcess:1:217504 | First Task  | NULL            | NULL         | usertask1     | NULL   | NULL      |
| 217513 |    1 | 217509        | 217505        | testProcess:1:217504 | Second Task | NULL            | NULL         | usertask3     | NULL   | NULL      |
+--------+------+---------------+---------------+----------------------+-------------+-----------------+--------------+---------------+--------+-----------+
2 rows in set (0.00 sec)

mysql> select * from act_re_deployment;
+--------+-------+-----------+------+------------+-------------------------+-----------------+
| ID_    | NAME_ | CATEGORY_ | KEY_ | TENANT_ID_ | DEPLOY_TIME_            | ENGINE_VERSION_ |
+--------+-------+-----------+------+------------+-------------------------+-----------------+
| 217501 | NULL  | NULL      | NULL |            | 2020-04-25 20:01:49.383 | NULL            |
+--------+-------+-----------+------+------------+-------------------------+-----------------+
1 row in set (0.00 sec)

mysql> select ID_,NAME_, KEY_, DEPLOYMENT_ID_,RESOURCE_NAME_,DGRM_RESOURCE_NAME_,SUSPENSION_STATE_ from act_re_procdef;
+----------------------+-------------+-------------+----------------+----------------------------------+---------------------------------------------+-------------------+
| ID_                  | NAME_       | KEY_        | DEPLOYMENT_ID_ | RESOURCE_NAME_                   | DGRM_RESOURCE_NAME_                         | SUSPENSION_STATE_ |
+----------------------+-------------+-------------+----------------+----------------------------------+---------------------------------------------+-------------------+
| testProcess:1:217504 | testProcess | testProcess | 217501         | bpmn/chapter9/DeleteProcess.bpmn | bpmn/chapter9/DeleteProcess.testProcess.png |                 1 |
+----------------------+-------------+-------------+----------------+----------------------------------+---------------------------------------------+-------------------+
******************************************************************************************/

        // 刪除流程
        runtimeService.deleteProcessInstance(pi.getId(), "abc");
        count = runtimeService.createProcessInstanceQuery().count();
        log.info("刪除後流程實例數量：" + count);

/******************************************************************************************
mysql> select ID_,NAME_, KEY_, DEPLOYMENT_ID_,RESOURCE_NAME_,DGRM_RESOURCE_NAME_,SUSPENSION_STATE_ from act_re_procdef;
+----------------------+-------------+-------------+----------------+----------------------------------+---------------------------------------------+-------------------+
| ID_                  | NAME_       | KEY_        | DEPLOYMENT_ID_ | RESOURCE_NAME_                   | DGRM_RESOURCE_NAME_                         | SUSPENSION_STATE_ |
+----------------------+-------------+-------------+----------------+----------------------------------+---------------------------------------------+-------------------+
| testProcess:1:217504 | testProcess | testProcess | 217501         | bpmn/chapter9/DeleteProcess.bpmn | bpmn/chapter9/DeleteProcess.testProcess.png |                 1 |
+----------------------+-------------+-------------+----------------+----------------------------------+---------------------------------------------+-------------------+
1 row in set (0.00 sec)


mysql> select ID_ ,REV_, EXECUTION_ID_, PROC_INST_ID_ , PROC_DEF_ID_, NAME_ , PARENT_TASK_ID_ , DESCRIPTION_ , TASK_DEF_KEY_ , OWNER_, ASSIGNEE_  from act_ru_task;
Empty set (0.00 sec)


mysql> select * from act_re_deployment;
+--------+-------+-----------+------+------------+-------------------------+-----------------+
| ID_    | NAME_ | CATEGORY_ | KEY_ | TENANT_ID_ | DEPLOY_TIME_            | ENGINE_VERSION_ |
+--------+-------+-----------+------+------------+-------------------------+-----------------+
| 217501 | NULL  | NULL      | NULL |            | 2020-04-25 20:01:49.383 | NULL            |
+--------+-------+-----------+------+------------+-------------------------+-----------------+
1 row in set (0.00 sec)


mysql> select ID_, REV_,PROC_INST_ID_ ,BUSINESS_KEY_ ,PARENT_ID_ ,PROC_DEF_ID_ ,SUPER_EXEC_,ROOT_PROC_INST_ID_ ,ACT_ID_,SUSPENSION_STATE_ from act_ru_execution;
Empty set (0.00 sec)
******************************************************************************************/
    }
}

二 測試

啓動時流程實例數量：1
刪除後流程實例數量：0