JBPM工作流框架应用

JBPM工作流框架应用

• 导入jar包
  
• jbpm案例中获取配置文件，并配置本地数据库
  
  
• 创建流程，并进行相关修改
  
  
  
  
  
• 流程及流程内任务等的草操作

import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import java.util.Set;import java.util.zip.ZipInputStream;import org.jbpm.api.Configuration;import org.jbpm.api.NewDeployment;import org.jbpm.api.ProcessDefinition;import org.jbpm.api.ProcessDefinitionQuery;import org.jbpm.api.ProcessEngine;import org.jbpm.api.ProcessInstance;import org.jbpm.api.TaskQuery;import org.jbpm.api.task.Task;import org.junit.Test;/** *  * @Title: HelloWorld * @Description: 描述 * @Company: 山东九点连线信息技术有限公司 * @ProjectName: JBPMModel * @author fupengpeng * @date 2017年11月14日 上午10:18:34 */public class HelloWorld {    ProcessEngine processEngine = Configuration.getProcessEngine();    /**     * 生成18张表     */    @Test    public void test1(){        Configuration conf = new Configuration();//获取配置对象        conf.setResource("jbpm.cfg.xml");//加载配置文件        ProcessEngine processEngine = conf.buildProcessEngine();//创建流程引擎对象    }    /**     * 创建流程引擎对象的方法     */    @Test    public void test2(){        //方式一        /*Configuration conf = new Configuration();        conf.setResource("jbpm.cfg.xml");        ProcessEngine processEngine = conf.buildProcessEngine();*/        //方式二  获得的是单例对象        ProcessEngine processEngine = Configuration.getProcessEngine();    }    /**     * 部署流程定义     * @throws Exception      */    @Test    public void test3() throws Exception{        // 方式一----从类路径下读取文件        NewDeployment deployment = processEngine.getRepositoryService().createDeployment();//获取部署对象;        deployment.addResourceFromClasspath("helloworld2.jpdl.xml");//读取xml配置文件        deployment.addResourceFromClasspath("helloworld2.png");//读取图片文件        String id = deployment.deploy();//完成部署        System.out.println(id);        //  方式二----读取压缩文件流//      NewDeployment deployment = processEngine.getRepositoryService().createDeployment();//获取部署对象;//      deployment.addResourcesFromZipInputStream(new ZipInputStream(new FileInputStream(new File("E:\\MyEclipse\\workspacejavawebtestproject\\JBPMModel\\process\\hello.zip"))));//      String id = deployment.deploy();//      System.out.println("id = " + id );    }    /**     * 查询流程定义     */    @Test    public void test5(){        //获得流程定义查询对象        ProcessDefinitionQuery query = processEngine.getRepositoryService().createProcessDefinitionQuery();        long count = query.count();        System.out.println("当前系统流程定义的数量  == " + count);        List<ProcessDefinition> list = query.list();        for (ProcessDefinition processDefinition : list) {            String id = processDefinition.getId();            String name = processDefinition.getName();            String key = processDefinition.getKey();            String deploymentId = processDefinition.getDeploymentId();            System.out.println("id = " + id + "   name = " + name + "   key = " + key + "    deploymentId = " + deploymentId);        }    }    /**     * 删除流程定义     */    @Test    public void test4(){        String deploymentId = "1";        processEngine.getRepositoryService().deleteDeployment(deploymentId);    }    /**     * 获取流程定义文件     * @throws IOException      */    @Test    public void test6() throws IOException{        String deploymentId = "10001";        //获得一次部署对应的文件名        Set<String> names = processEngine.getRepositoryService().getResourceNames(deploymentId);        for (String string : names) {            System.out.println("string = " + string);        }        //获得一次部署对应的文件输入流        String resourceName = "helloworld.jpdl.xml";        String resourceNameXml = "helloworld.jpdl.xml";        InputStream in = processEngine.getRepositoryService().getResourceAsStream(deploymentId, resourceName);        //通过输出流将文件保存到本地磁盘        OutputStream out = new FileOutputStream(new File("E:\\test\\" + resourceName));        byte[] b = new byte[1024];        int len = 0;        while ((len = in.read(b)) != -1) {            out.write(b,0,len);        }        out.close();        in.close();    }    /**     * 启动一个流程     */    @Test    public void test7(){//      String processDefinitionId = "请假流程-2";//      ProcessInstance processInstance = processEngine.getExecutionService().startProcessInstanceById(processDefinitionId);        String key = "请假流程";        //启动流程后，产生流程实例对象        ProcessInstance processInstance = processEngine.getExecutionService().startProcessInstanceByKey(key);        String id = processInstance.getId();        String name = processInstance.getName();        System.out.println("id = " + id + "   name = " + name + "   key = " + key);    }    /**     * 查询我的任务列表     */    @Test    public void test8(){        String userId = "李四";        //启动流程后，产生流程实例对象        TaskQuery query = processEngine.getTaskService().createTaskQuery();        query.assignee(userId);  // 添加查询的过滤条件        List<Task> list = query.list();        for (Task task : list) {            String executionId = task.getExecutionId();  //用于特殊情况，不需要李四审批时，查到他的所要执行的任务id，传递给test10，根据传入的id，越过此审批。            System.out.println("id = " + task.getId() + "   name = " + task.getName()+"  executionId = " + executionId );            //id = 30002   name = 提交申请        }    }    /**     * 办理任务     */    @Test    public void test9(){        String taskId = "90002";        processEngine.getTaskService().completeTask(taskId);    }    /**     * 直接跳转到下一步，越过此步     */    @Test    public void test10(){        String executionId = "请假流程.90001";        processEngine.getExecutionService().signalExecutionById(executionId,"to task3");        //流程实例查询对象//      ProcessInstanceQuery query = processEngine.getExecutionService().createProcessInstanceQuery();//      List<ProcessInstance> list = query.list();        //部署查询对象//      DeploymentQuery query = processEngine.getRepositoryService().createDeploymentQuery();//      List<Deployment> list = query.list();//      for (Deployment d : list) {//          System.out.println("d.getId = " + d.getId()   + "    " + d.getName());//      }    }    /**     * 查询对象的使用方式     */    @Test    public void test11(){        //创建流程定义查询对象        ProcessDefinitionQuery query = processEngine.getRepositoryService().createProcessDefinitionQuery();        //添加过滤条件        query.processDefinitionKey("请假流程");        //添加排序条件        query.orderAsc(ProcessDefinitionQuery.PROPERTY_VERSION);        //添加分页条件        query.page(0, 10);//      query.page(10, 20);        List<ProcessDefinition> list = query.list();        for (ProcessDefinition pd : list) {            System.out.println("pd.getId = " + pd.getId()   + "  name = " + pd.getName() + "   key = " + pd.getKey());        }    }    /**     * 获取最新版本的流程定义     */    @Test    public void test12(){        //获取所有的流程定义        ProcessDefinitionQuery query = processEngine.getRepositoryService().createProcessDefinitionQuery();        query.orderAsc(ProcessDefinitionQuery.PROPERTY_VERSION);        List<ProcessDefinition> list = query.list();        Map<String, ProcessDefinition> map = new HashMap<String, ProcessDefinition>();        for (ProcessDefinition pd : list) {            String id = pd.getId();            String key = pd.getKey();            String name = pd.getName();            int version = pd.getVersion();//          System.out.println("Id = " + id   + "  version = " + version + "   key = " + key);            map.put(key, pd);        }        List<ProcessDefinition> pdList = new ArrayList<ProcessDefinition>(map.values());        for (ProcessDefinition pd : pdList) {            String id = pd.getId();            String key = pd.getKey();            String name = pd.getName();            int version = pd.getVersion();            System.out.println("Id = " + id   + "  version = " + version + "   key = " + key);        }    }}

• 更多关于流程的操作见练习项目
  jbpm流程基础练习

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