Activiti的删除流程

阳光穿透心脏的1/2处 2021-07-24 23:22 835阅读 0赞

**一 代码**

/**
    * Copyright (C), 2020-2020, 软件公司
    * FileName: DeleteProcessInstance.java
    * Author:   cakin
    * Date:     2020/4/25
    * Description: 删除流程实例
    */
    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: 删除流程实例
    * @date: 2020/4/25
    * @author: cakin
    */
    @Slf4j
    public class DeleteProcessInstance {
        public static void main( String[] args ) {
            // 创建流程引擎
            ProcessEngine engine = ProcessEngines.getDefaultProcessEngine();
            // 得到流程存储服务实例
            RepositoryService repositoryService = engine.getRepositoryService();
            // 得到运行时服务组件
            RuntimeService runtimeService = engine.getRuntimeService();
            // 部署流程描述文件
            repositoryService.createDeployment()
                    .addClasspathResource("bpmn/chapter9/DeleteProcess.bpmn").deploy();
            // 开始流流程
            ProcessInstance pi = runtimeService.startProcessInstanceByKey("testProcess");
            long count = runtimeService.createProcessInstanceQuery().count();
            log.info("启动时流程实例数量：" + 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 |
    +----------------------+-------------+-------------+----------------+----------------------------------+---------------------------------------------+-------------------+
    ******************************************************************************************/
    
            // 删除流程
            runtimeService.deleteProcessInstance(pi.getId(), "abc");
            count = runtimeService.createProcessInstanceQuery().count();
            log.info("删除后流程实例数量：" + 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 测试**

启动时流程实例数量：1
    删除后流程实例数量：0