activiti util (1)

一、xml

<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:activiti="http://activiti.org/bpmn" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:omgdc="http://www.omg.org/spec/DD/20100524/DC" xmlns:omgdi="http://www.omg.org/spec/DD/20100524/DI" typeLanguage="http://www.w3.org/2001/XMLSchema" expressionLanguage="http://www.w3.org/1999/XPath" targetNamespace="http://www.activiti.org/processdef">
  <process id="beck" name="测试流程" isExecutable="true">
    <startEvent id="start" name="开始" activiti:initiator="${applyUserId}"></startEvent>
    <userTask id="manager" name="上线领导审批" activiti:assignee="tom"></userTask>
    <userTask id="hr" name="人事审批" activiti:assignee="xiaoxiao"></userTask>
    <endEvent id="sid-100F784A-0EEB-4A77-A852-03B709F712B5"></endEvent>
    <sequenceFlow id="sid-161808BF-58A5-4101-90F3-2D659DE303BE" sourceRef="manager" targetRef="hr"></sequenceFlow>
    <sequenceFlow id="sid-2CF6A2AC-5986-4F06-832F-0A5C01457529" sourceRef="hr" targetRef="sid-100F784A-0EEB-4A77-A852-03B709F712B5"></sequenceFlow>
    <sequenceFlow id="sid-BE6C82F9-64C0-4416-94B9-C00F4D06D952" sourceRef="start" targetRef="manager"></sequenceFlow>
  </process>
  <bpmndi:BPMNDiagram id="BPMNDiagram_beck">
    <bpmndi:BPMNPlane bpmnElement="beck" id="BPMNPlane_beck">
      <bpmndi:BPMNShape bpmnElement="start" id="BPMNShape_start">
        <omgdc:Bounds height="30.0" width="30.0" x="150.0" y="45.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="manager" id="BPMNShape_manager">
        <omgdc:Bounds height="80.0" width="100.0" x="270.0" y="15.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="hr" id="BPMNShape_hr">
        <omgdc:Bounds height="80.0" width="100.0" x="465.0" y="20.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNShape bpmnElement="sid-100F784A-0EEB-4A77-A852-03B709F712B5" id="BPMNShape_sid-100F784A-0EEB-4A77-A852-03B709F712B5">
        <omgdc:Bounds height="28.0" width="28.0" x="660.0" y="46.0"></omgdc:Bounds>
      </bpmndi:BPMNShape>
      <bpmndi:BPMNEdge bpmnElement="sid-2CF6A2AC-5986-4F06-832F-0A5C01457529" id="BPMNEdge_sid-2CF6A2AC-5986-4F06-832F-0A5C01457529">
        <omgdi:waypoint x="565.0" y="60.0"></omgdi:waypoint>
        <omgdi:waypoint x="660.0" y="60.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="sid-161808BF-58A5-4101-90F3-2D659DE303BE" id="BPMNEdge_sid-161808BF-58A5-4101-90F3-2D659DE303BE">
        <omgdi:waypoint x="370.0" y="55.0"></omgdi:waypoint>
        <omgdi:waypoint x="417.5" y="55.0"></omgdi:waypoint>
        <omgdi:waypoint x="417.5" y="60.0"></omgdi:waypoint>
        <omgdi:waypoint x="465.0" y="60.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
      <bpmndi:BPMNEdge bpmnElement="sid-BE6C82F9-64C0-4416-94B9-C00F4D06D952" id="BPMNEdge_sid-BE6C82F9-64C0-4416-94B9-C00F4D06D952">
        <omgdi:waypoint x="180.0" y="60.0"></omgdi:waypoint>
        <omgdi:waypoint x="225.0" y="60.0"></omgdi:waypoint>
        <omgdi:waypoint x="225.0" y="55.0"></omgdi:waypoint>
        <omgdi:waypoint x="270.0" y="55.0"></omgdi:waypoint>
      </bpmndi:BPMNEdge>
    </bpmndi:BPMNPlane>
  </bpmndi:BPMNDiagram>
</definitions>

二、测试类

package com.albert.test03;

import org.activiti.engine.ProcessEngine;
import org.activiti.engine.ProcessEngines;
import org.activiti.engine.TaskService;
import org.activiti.engine.history.HistoricProcessInstance;
import org.activiti.engine.history.HistoricProcessInstanceQuery;
import org.activiti.engine.impl.RepositoryServiceImpl;
import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;
import org.activiti.engine.impl.persistence.entity.TaskEntity;
import org.activiti.engine.repository.Deployment;
import org.activiti.engine.runtime.ProcessInstance;
import org.activiti.engine.task.Task;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;

import java.util.ArrayList;
import java.util.List;
import java.util.UUID;

@RunWith(SpringRunner.class)
@SpringBootTest
public class Test03ApplicationTests {

    ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();

    @Test
    public void contextLoads() {
        ProcessEngine processEngine = ProcessEngines.getDefaultProcessEngine();
        System.out.println("==============" + processEngine.getName());
    }

    @Test
    public void deployProcessDefinition() {

        Deployment deployment = processEngine.getRepositoryService()//获取流程定义和部署相关的Service
                .createDeployment()//创建部署对象
                .addClasspathResource("bpmn/beck.bpmn20.xml")
                .deploy();//完成部署

        System.out.println("部署ID：" + deployment.getId());//部署ID:1
        System.out.println("部署时间：" + deployment.getDeploymentTime());//部署时间
    }

    /**
     * 启动流程实例
     */
    @Test
    public void startProcessInstance() {

        String processDefinitionKey = "beck";//流程定义的key,也就是bpmn中存在的ID

        ProcessInstance pi = processEngine.getRuntimeService()//管理流程实例和执行对象，也就是表示正在执行的操作
                .startProcessInstanceByKey(processDefinitionKey);////按照流程定义的key启动流程实例

        System.out.println("流程实例ID：" + pi.getId());//流程实例ID：101
        System.out.println("流程实例ID：" + pi.getProcessInstanceId());//流程实例ID：101
        System.out.println("流程实例ID:" + pi.getProcessDefinitionId());//myMyHelloWorld:1:4
    }

    // 3.查看任务
    @Test
    public void quertTask() {
        try {
            ProcessEngine processEngine = ProcessEngines
                    .getDefaultProcessEngine();
            TaskService taskService = processEngine.getTaskService();

             String userId = "beck_guo";
            //String userId = "fucai";
            //String userId = "zhangsan";
            //String userId = "xiaoxiao";
            List<Task> tasks = taskService.createTaskQuery()
                    .taskAssignee(userId).list();
            for (Task task : tasks) {
                System.out.println("taskId:" + task.getId() + ",name:"
                        + task.getName() + ",assignee:" + task.getAssignee()
                        + ",ProcessInstanceId:" + task.getProcessInstanceId());
            }
            System.out.println("查讯任务结束");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * 会签操作
     *
     *            会签人账号集合
     * @throws Exception
     */
    @Test
    public void jointProcess()
            throws Exception {
        String taskId="17505";
        List<String> userCodes=new ArrayList<>();
        userCodes.add("fucai");
        userCodes.add("zhangsan");
        for (String userCode : userCodes) {
            TaskEntity task = (TaskEntity) processEngine.getTaskService().newTask(UUID.randomUUID().toString());
            task.setAssignee(userCode);
            task.setName(findTaskById(taskId).getName() + "-会签");
            task.setProcessDefinitionId(findProcessDefinitionEntityByTaskId(
                    taskId).getId());
            task.setProcessInstanceId(findProcessInstanceByTaskId(taskId)
                    .getId());
            task.setParentTaskId(taskId);
            task.setDescription("jointProcess");
            processEngine.getTaskService().saveTask(task);
        }
        System.out.println("taskId:" + taskId+" ==会签线束");

    }

    // 5.办理任务
    @Test
    public void completeTask() throws Exception {
        try {
            ProcessEngine processEngine = ProcessEngines
                    .getDefaultProcessEngine();
            TaskService taskService = processEngine.getTaskService();
            String taskId = "7e55dc2a-a4fd-4db3-b6a2-607e5f124605";
            taskService.complete(taskId);
            System.out.println("办理任务结束 taskId=" + taskId);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    // 历史流程实例查看（查找按照某个规则一共执行了多少次流程）
    @Test
    public void queryHistoricProcessInstance() throws Exception {
        // 获取历史流程实例的查询对象
        HistoricProcessInstanceQuery historicProcessInstanceQuery = processEngine.getHistoryService().createHistoricProcessInstanceQuery();
        // 设置查询参数
        historicProcessInstanceQuery
                //过滤条件
                .processDefinitionKey("beck")
                // 分页条件
//     .listPage(firstResult, maxResults)
                // 排序条件
                .orderByProcessInstanceStartTime().desc();
        // 执行查询
        List<HistoricProcessInstance> hpis = historicProcessInstanceQuery.list();
        // 遍历查看结果
        System.out.print("===================");
        for (HistoricProcessInstance hpi : hpis) {
            System.out.print("pid:" + hpi.getId() + ",");
            System.out.print("pdid:" + hpi.getProcessDefinitionId() + ",");
            System.out.print("startTime:" + hpi.getStartTime() + ",");
            System.out.print("endTime:" + hpi.getEndTime() + ",");
            System.out.print("duration:" + hpi.getDurationInMillis() + ",");
            System.out.println("vars:" + hpi.getProcessVariables());
        }

    }

    /**
     * 根据任务ID获得任务实例
     *
     * @param taskId
     *            任务ID
     * @return
     * @throws Exception
     */
    private TaskEntity findTaskById(String taskId) throws Exception {
        TaskEntity task = (TaskEntity) processEngine.getTaskService().createTaskQuery().taskId(
                taskId).singleResult();
        if (task == null) {
            throw new Exception("任务实例未找到!");
        }
        return task;
    }

    /**
     * 根据任务ID获取流程定义
     *
     * @param taskId 任务ID
     * @return
     * @throws Exception
     */
    private ProcessDefinitionEntity findProcessDefinitionEntityByTaskId(
            String taskId) throws Exception {
        // 取得流程定义
        ProcessDefinitionEntity processDefinition = (ProcessDefinitionEntity) ((RepositoryServiceImpl) processEngine.getRepositoryService())
                .getDeployedProcessDefinition(findTaskById(taskId)
                        .getProcessDefinitionId());

        if (processDefinition == null) {
            throw new Exception("流程定义未找到!");
        }

        return processDefinition;
    }


    /**
     * 根据任务ID获取对应的流程实例
     *
     * @param taskId 任务ID
     * @return
     * @throws Exception
     */
    private ProcessInstance findProcessInstanceByTaskId(String taskId)
            throws Exception {
        // 找到流程实例
        ProcessInstance processInstance = processEngine.getRuntimeService()
                .createProcessInstanceQuery().processInstanceId(
                        findTaskById(taskId).getProcessInstanceId())
                .singleResult();
        if (processInstance == null) {
            throw new Exception("流程实例未找到!");
        }
        return processInstance;


    }

}

三、activiti.cfg.xml

<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="http://www.springframework.org/schema/beans   http://www.springframework.org/schema/beans/spring-beans.xsd">

    <bean id="processEngineConfiguration" class="org.activiti.engine.impl.cfg.StandaloneProcessEngineConfiguration">

        <property name="jdbcUrl" value="jdbc:mysql://localhost:3309/test3" />
        <property name="jdbcDriver" value="com.mysql.jdbc.Driver" />
        <property name="jdbcUsername" value="root" />
        <property name="jdbcPassword" value="123456" />

        <property name="databaseSchemaUpdate" value="true" />

        <property name="jobExecutorActivate" value="false" />
        <property name="asyncExecutorEnabled" value="true" />
        <property name="asyncExecutorActivate" value="false" />

        <property name="mailServerHost" value="mail.my-corp.com" />
        <property name="mailServerPort" value="5025" />
    </bean>

</beans>
四 pom

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.5.RELEASE</version>
        <relativePath/> <!-- lookup parent from repository -->
    </parent>
    <groupId>com.albert.test03</groupId>
    <artifactId>test03</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <name>test03</name>
    <description>Demo project for Spring Boot</description>

    <properties>
        <java.version>1.8</java.version>
        <activiti.version>5.22.0</activiti.version>
    </properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <!--MySQL依赖 -->
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.6</version>
        </dependency>

        <!-- actviti begin -->
        <dependency>
            <groupId>org.activiti</groupId>
            <artifactId>activiti-engine</artifactId>
            <version>${activiti.version}</version>
        </dependency>
        <dependency>
            <groupId>org.activiti</groupId>
            <artifactId>activiti-spring</artifactId>
            <version>${activiti.version}</version>
        </dependency>
        <dependency>
            <groupId>org.activiti</groupId>
            <artifactId>activiti-modeler</artifactId>
            <version>${activiti.version}</version>
        </dependency>

        <dependency>
            <groupId>org.activiti</groupId>
            <artifactId>activiti-diagram-rest</artifactId>
            <version>${activiti.version}</version>
        </dependency>
        <!-- actviti end -->
    </dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>

</project>