Skip to main content

Activiti 流程任务的查询 处理及分析

任务查询

package com.itheima.activiti;

import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.TaskService;
import org.activiti.engine.task.Task;

/**
 * 查询当前用户的任务列表
 */
public class ActivitiTaskQuery {

    //wangwu完成自己任务列表的查询
    public static void main(String[] args) {
        //1.得到ProcessEngine对象
        ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();

        //2.得到TaskService对象
        TaskService taskService = processEngine.getTaskService();

        //3.根据流程定义的key,负责人assignee来实现当前用户的任务列表查询
        Task task = taskService.createTaskQuery()
                .processDefinitionKey("holiday")
                .taskAssignee("wangwu")
                .singleResult();

        //4.任务列表的展示
        System.out.println("流程实例ID:"+task.getProcessInstanceId());
        System.out.println("任务ID:"+task.getId());  //5002
        System.out.println("任务负责人:"+task.getAssignee());
        System.out.println("任务名称:"+task.getName());


    }

    //lishi完成自己任务列表的查询
    /*public static void main(String[] args) {
        //1.得到ProcessEngine对象
        ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();

        //2.得到TaskService对象
        TaskService taskService = processEngine.getTaskService();

        //3.根据流程定义的key,负责人assignee来实现当前用户的任务列表查询
        Task task = taskService.createTaskQuery()
                .processDefinitionKey("holiday")
                .taskAssignee("lishi")
                .singleResult();

        //4.任务列表的展示
            System.out.println("流程实例ID:"+task.getProcessInstanceId());
            System.out.println("任务ID:"+task.getId());  //5002
            System.out.println("任务负责人:"+task.getAssignee());
            System.out.println("任务名称:"+task.getName());


    }
*/

    //zhangsan任务列表的查询
   /* public static void main(String[] args) {
        //1.得到ProcessEngine对象
        ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();

        //2.得到TaskService对象
        TaskService taskService = processEngine.getTaskService();

        //3.根据流程定义的key,负责人assignee来实现当前用户的任务列表查询
        List<Task> taskList = taskService.createTaskQuery()
                .processDefinitionKey("holiday")
                .taskAssignee("zhangsan")
                .list();

        //4.任务列表的展示
        for(Task task :taskList){
            System.out.println("流程实例ID:"+task.getProcessInstanceId());
            System.out.println("任务ID:"+task.getId());
            System.out.println("任务负责人:"+task.getAssignee());
            System.out.println("任务名称:"+task.getName());
        }

    }*/
}

任务处理

package com.itheima.activiti;

import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.TaskService;
import org.activiti.engine.task.Task;

/**
 * 处理当前用户的任务
 * 背后操作的表：
 *   act_hi_actinst
     act_hi_identitylink
     act_hi_taskinst
     act_ru_identitylink
     act_ru_task
 */
public class ActivitiCompleteTask {

    //查询当前用户wangwu的任务并处理掉
    public static void main(String[] args) {
        //1.得到ProcessEngine对象
        ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();

        //2.得到TaskService对象
        TaskService taskService = processEngine.getTaskService();

        //3.查询当前用户的任务
        Task task = taskService.createTaskQuery()
                .processDefinitionKey("holiday")
                .taskAssignee("wangwu")
                .singleResult();

        //4.处理任务,结合当前用户任务列表的查询操作的话,任务ID:task.getId()
        taskService.complete(task.getId());

        //5.输出任务的id
        System.out.println(task.getId());
    }


    //lishi完成自己的任务
    /*public static void main(String[] args) {
        //1.得到ProcessEngine对象
        ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();

        //2.得到TaskService对象
        TaskService taskService = processEngine.getTaskService();

        //3.处理任务,结合当前用户任务列表的查询操作的话,任务ID:5002
        taskService.complete("5002");


    }*/


    //zhangsan完成自己的任务
    /*public static void main(String[] args) {
        //1.得到ProcessEngine对象
        ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();

        //2.得到TaskService对象
        TaskService taskService = processEngine.getTaskService();

        //3.处理任务,结合当前用户任务列表的查询操作的话,任务ID:2505
        taskService.complete("2505");


    }*/
}

任务处理分析

影响到的数据库表

-- com.itheima.activiti.ActivitiCompleteTask
SELECT * FROM act_hi_actinst
SELECT * FROM act_hi_identitylink
SELECT * FROM act_hi_taskinst
SELECT * FROM act_ru_identitylink
SELECT * FROM act_ru_task
No Comments
Back to top