activiti（八）接收活动receiveTask

package cn.panda.j_receiveTask;

import java.io.InputStream;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
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.Execution;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;
import org.junit.Test;

public class ReceiveTaskTest {

    ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();

    /**
     * 部署流程定义 (从inputStream)
     */
    @Test
    //key值相同 资源升级
    public void deployementProcessDefinition_inputStream() {
        //从当前文件夹查找
        InputStream inputStreamBpmn =this.getClass().getResourceAsStream("receiveTask.bpmn");
        InputStream inputStreamPng =this.getClass().getResourceAsStream("receiveTask.png");
        Deployment deployment = processEngine.getRepositoryService()//与流程定义和部署相关的service
                        .createDeployment()//创建部署对象
                        .name("接收活动任务")//添加部署对象
                        .addInputStream("receiveTask.bpmn", inputStreamBpmn)
                        .addInputStream("receiveTask.png", inputStreamPng)
                        .deploy();//完成部署
        System.out.println(deployment.getId());
        System.out.println(deployment.getName());
    }

    /**
     * 启动流程实例  设置流程变量 获取流程变量 向后执行一步
     */
    @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="receiveTask";
        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
        //一个流程实例 两个执行对象
        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

        //查询执行对象ID
        Execution execution = processEngine.getRuntimeService()
                        .createExecutionQuery()
                        .processInstanceId(processInstance.getId())
                        .activityId("receivetask1")//当前活动id 对应receiveTask.bpmn 活动id
                        .singleResult();

        //使用流程变量设置当日销售额 用来传递业务参数
        processEngine.getRuntimeService()
                        .setVariable(execution.getId(), "汇总当日销量额", 21000);

        //向后执行一步
        processEngine.getRuntimeService()
                        .signal(execution.getId());

        //查询执行对象ID
                Execution execution2 = processEngine.getRuntimeService()
                                .createExecutionQuery()
                                .processInstanceId(processInstance.getId())
                                .activityId("receivetask2")//当前活动id 对应receiveTask.bpmn 活动id
                                .singleResult();

        //从变量中获取汇总当日销售额的值
        Integer num = (Integer)processEngine.getRuntimeService()
                        .getVariable(execution2.getId(), "汇总当日销量额");
        System.out.println("给老板发短信 金额："+num);
    }

}