activiti（二）流程实例

package cn.panda.c_processInstance;

import java.io.InputStream;
import java.util.List;
import java.util.zip.ZipInputStream;

import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.history.HistoricProcessInstance;
import org.activiti.engine.history.HistoricTaskInstance;
import org.activiti.engine.history.HistoricVariableInstance;
import org.activiti.engine.repository.Deployment;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;
import org.junit.Test;

public class ProcessInstanceTest {

    ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();

    /**
     * 部署流程定义 (从zip)
     */
    @Test
    //key值相同 资源升级
    public void deployementProcessDefinition_zip() {
        InputStream in =this.getClass().getClassLoader().getResourceAsStream("diagrams/helloworld.zip");
        ZipInputStream zipInputStream=new ZipInputStream(in);
        Deployment deployment = processEngine.getRepositoryService()//与流程定义和部署相关的service
                        .createDeployment()//创建部署对象
                        .name("流程定义")//添加部署对象
                        .addZipInputStream(zipInputStream)
                        .deploy();//完成部署
        System.out.println(deployment.getId());
        System.out.println(deployment.getName());
    }

    /**
     * 启动流程实例
     */
    @Test
    public void startProcessInstance() {
        //使用key值启动 默认按照最新版本的流程定义启动
        String processDefinitionKey="processVariables";
        ProcessInstance processInstance = processEngine.getRuntimeService()//与正在执行的流程实例和执行对象相关的Service
                        .startProcessInstanceByKey(processDefinitionKey);//使用流程定义的key启动流程实例 key对应bpmn文件的id属性值
        System.out.println("流程实例id"+processInstance.getId());//流程实例id
        System.out.println("流程定义ID"+processInstance.getProcessDefinitionId());//流程定义ID
    }

    /**
     * 查询当前人的个人任务
     */
    @Test
    public void findMyPersonalTask() {
        String assignee="王五";
        List<Task> list = processEngine.getTaskService()//与正在执行的任务管理相关的Service
                        .createTaskQuery()//创建任务查询对象
                        .taskAssignee(assignee)//指定个人任务
                        .orderByTaskCreateTime().asc()
                        .list();
        if (list!=null&&list.size()>0) {
            for (Task task : list) {
                System.out.println("任务ID"+task.getId());
                System.out.println("任务名称"+task.getName());
                System.out.println("任务创建时间"+task.getCreateTime());
                System.out.println("任务的办理人"+task.getAssignee());
                System.out.println("流程实例id:"+task.getProcessInstanceId());
                System.out.println("执行对象id:"+task.getExecutionId());
                System.out.println("流程定义id:"+task.getProcessDefinitionId());

            }
        }
    }

    /**
     * 完成我的任务
     */
    @Test
    public void completeMyPersonalTask() {
        String taskId = "1202";
        processEngine.getTaskService()
                        .complete(taskId);
        System.out.println("完成任务 任务ID："+taskId);
    }

    /**
     * 查询流程状态（判断流程正在执行还是结束） 
     */
    @Test
    public void isProcessEnd() {
        String processInstanceId="1001";
        //正在执行的流程实例是否存在
        ProcessInstance processInstance = processEngine.getRuntimeService()
                        .createProcessInstanceQuery()
                        .processInstanceId(processInstanceId)
                        .singleResult();
        if (processInstance==null) {
            System.out.println("流程已经结束");
        }
        else {
            System.out.println("流程没有结束");
        }
    }

    /**
     * 查询历史任务
     */
    @Test
    public void findHistoryTask() {
        String taskAssignee="张三";
        List<HistoricTaskInstance> list = processEngine.getHistoryService()
                        .createHistoricTaskInstanceQuery()//创建历史任务实例查询
                        .taskAssignee(taskAssignee)//指定历史任务的办理人
                        .list();
        if (list!=null&&list.size()>0) {
            for (HistoricTaskInstance historicTaskInstance : list) {
                System.out.println(historicTaskInstance.getId()+" "+historicTaskInstance.getName());
            }
        }
    }

    /**
     * 查询历史流程实例act_hi_procinst
     */
    @Test
    public void findHistoryProcessInstance(){
        String processInstanceId="1001";
        HistoricProcessInstance historicProcessInstance = processEngine.getHistoryService()
                        .createHistoricProcessInstanceQuery()
                        .processInstanceId(processInstanceId)
                        .singleResult();
        System.out.println(historicProcessInstance.getId()+historicProcessInstance.getProcessDefinitionId()
        +historicProcessInstance.getStartTime());
    }

    /**
     * 查询历史流程变量act_hi_varinst
     */
    @Test
    public void findHistoryProcessVariables() {
        String processInstanceId = "1501";
        List<HistoricVariableInstance> list = processEngine.getHistoryService()
                        .createHistoricVariableInstanceQuery()
                        .processInstanceId(processInstanceId )
                        .list();
        if (list!=null&&list.size()>0) {
            for (HistoricVariableInstance hvi : list) {
                System.out.println(hvi.getId()+" "+hvi.getVariableName()+" "+hvi.getValue());
            }
        }
    }
}