Activiti流程参数实战

最新推荐文章于 2023-09-25 18:02:26 发布

chengqiuming

最新推荐文章于 2023-09-25 18:02:26 发布

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分类专栏： Activiti 文章标签： java

本文链接：https://blog.youkuaiyun.com/chengqiuming/article/details/105668198

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一代码与数据库变化

/**
* Copyright (C), 2020-2020, 软件公司
* FileName: SetVariableLocal.java
* Author:   cakin
* Date:     2020/4/21
* Description: 流程参数作用域
*/
package com.syc.activiti;


import java.util.List;


import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.RepositoryService;
import org.activiti.engine.RuntimeService;
import org.activiti.engine.TaskService;
import org.activiti.engine.runtime.Execution;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;


/**
* @className: SetVariableLocal
* @description: 流程参数作用域
* @date: 2020/4/21
* @author: cakin
*/
public class SetVariableLocal {
    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();
        // 得到任务
        TaskService taskService = engine.getTaskService();
        // 部署流程描述文件
        repositoryService.createDeployment()
                .addClasspathResource("bpmn/localVariable.bpmn20.xml").deploy();
        //启动流程
        ProcessInstance pi = runtimeService.startProcessInstanceByKey("vacationRequest");
        //查询全部的任务，得到相应的执行流，设置不同的参数
        List<Task> tasks = taskService.createTaskQuery().processInstanceId(pi.getId()).list();
/************************************************************************************** 当执行到这里
mysql> select * from act_ru_execution;
ERROR 1046 (3D000): No database selected
mysql> use act;
Database changed
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_   |
+--------+------+---------------+---------------+------------+--------------------------+-------------+--------------------+-----------+
| 182505 |    1 | 182505        | NULL          | NULL       | vacationRequest:7:182504 | NULL        | 182505             | NULL      |
| 182506 |    1 | 182505        | NULL          | 182505     | vacationRequest:7:182504 | NULL        | 182505             | usertask1 |
| 182509 |    1 | 182505        | NULL          | 182505     | vacationRequest:7:182504 | NULL        | 182505             | usertask2 |
+--------+------+---------------+---------------+------------+--------------------------+-------------+--------------------+-----------+

mysql> select ID_ ,REV_, EXECUTION_ID_, PROC_INST_ID_ , PROC_DEF_ID_, NAME_ , PARENT_TASK_ID_ , DESCRIPTION_ , TASK_DEF_KEY_ , OWNER_, ASSIGNEE_ , DELEGATION_ , PRIORITY_ ,CREATE_TIME_ from act_ru_task;
+--------+------+---------------+---------------+--------------------------+---------------+-----------------+--------------+---------------+--------+-----------+-------------+-----------+-------------------------+
| ID_    | REV_ | EXECUTION_ID_ | PROC_INST_ID_ | PROC_DEF_ID_             | NAME_         | PARENT_TASK_ID_ | DESCRIPTION_ | TAS

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