Examples with TaskService org.flowable.engine.TaskService used on opensource projects

Example 1 with TaskService

use of org.flowable.engine.TaskService in project yyl_example by Relucent.

the class FlowableExample method main.

public static void main(String[] args) {
    System.setProperty("javax.xml.parsers.DocumentBuilderFactory", "com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderFactoryImpl");
    ProcessEngineConfiguration configuration = ProcessEngineConfiguration.createProcessEngineConfigurationFromResource("yyl/example/demo/flowable/flowable.cfg.xml");
    // configuration.setJdbcUrl("jdbc:h2:mem:flowable;DB_CLOSE_DELAY=1000");
    // configuration.setJdbcDriver("org.h2.Driver");
    // configuration.setJdbcUsername("sa");
    // configuration.setJdbcPassword("");
    // configuration.setDatabaseSchemaUpdate("true");
    // configuration.setAsyncExecutorActivate(false);
    // configuration.setMailServerHost("localhost");
    // configuration.setMailServerPort(25);
    // 创建流程引擎
    ProcessEngine processEngine = configuration.buildProcessEngine();
    // 创建了一个新的部署
    RepositoryService repositoryService = processEngine.getRepositoryService();
    Deployment deployment = // 
    repositoryService.createDeployment().addClasspathResource(// 
    "yyl/example/demo/flowable/holiday-request.bpmn20.xml").deploy();
    // 部署流程定义
    ProcessDefinition processDefinition = // 
    repositoryService.createProcessDefinitionQuery().deploymentId(// 
    deployment.getId()).singleResult();
    System.out.println("Found process definition : " + processDefinition.getName());
    // 参数传递
    Map<String, Object> variables = new LinkedHashMap<String, Object>();
    System.out.println("Enter employee:");
    variables.put("employee", SCANNER.nextLine());
    System.out.println("Enter holidays:");
    variables.put("holidays", SCANNER.nextLine());
    RuntimeService runtimeService = processEngine.getRuntimeService();
    // 通过RuntimeService启动流程实例
    ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("holidayRequest", variables);
    TaskService taskService = processEngine.getTaskService();
    List<Task> tasks = taskService.createTaskQuery().taskCandidateGroup("managers").list();
    System.out.println("You have " + tasks.size() + " tasks:");
    for (int i = 0; i < tasks.size(); i++) {
        System.out.println((i + 1) + ") " + tasks.get(i).getName());
    }
    // 获取特定的流程实例变量
    System.out.println("Which task would you like to complete?");
    int taskIndex = Integer.valueOf(SCANNER.nextLine());
    Task task = tasks.get(taskIndex - 1);
    Map<String, Object> processVariables = taskService.getVariables(task.getId());
    System.out.println(processVariables);
    // 完成任务，传递排他网关条件
    boolean approved = SCANNER.nextLine().toLowerCase().equals("y");
    variables = new LinkedHashMap<String, Object>();
    variables.put("approved", approved);
    taskService.complete(task.getId(), variables);
    // 查询完成的活动，按结束时间排序
    HistoryService historyService = processEngine.getHistoryService();
    List<HistoricActivityInstance> activities = // 
    historyService.createHistoricActivityInstanceQuery().processInstanceId(// 
    processInstance.getId()).finished().orderByHistoricActivityInstanceEndTime().asc().list();
    for (HistoricActivityInstance activity : activities) {
        System.out.println(activity.getActivityId() + " took " + activity.getDurationInMillis() + " milliseconds");
    }
}