任务委派

/**
* 学习任务委派的过程，任务分配给bill，然后bill把任务委派给henryyan，henryyan处理完成后任务回归到bill
*/
@Deployment(resources = "diagrams/chapter12/taskDelegate.bpmn")
public void testTaskDelegate() throws Exception {
Map<String, Object> variables = new HashMap<String, Object>();
String userId = "bill";
variables.put("userId", userId);
ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("taskDelegateProcess", variables);
Task task = taskService.createTaskQuery().taskAssignee(userId).singleResult();

assertNotNull(task);
assertNull(task.getOwner());
System.out.println(task.getOwner());
System.out.println(task.getAssignee());

// 委派任务给其他人
String delegatedUserId = "henryyan";
taskService.delegateTask(task.getId(), delegatedUserId);

// 查看数据状态
task = taskService.createTaskQuery().taskAssignee(delegatedUserId).taskDelegationState(DelegationState.PENDING).singleResult();
assertEquals(task.getOwner(), userId);
assertEquals(task.getAssignee(), delegatedUserId);
System.out.println(task.getOwner());
System.out.println(task.getAssignee());

// 被委派人处理完成任务
taskService.resolveTask(task.getId());

// 任务回归到委派人
task = taskService.createTaskQuery().taskAssignee(userId).taskDelegationState(DelegationState.RESOLVED).singleResult();
assertEquals(task.getOwner(), userId);
assertEquals(task.getAssignee(), userId);
System.out.println(task.getOwner());
System.out.println(task.getAssignee());

// 委派人完成任务
taskService.complete(task.getId());
long count = historyService.createHistoricProcessInstanceQuery().finished().count();
assertEquals(1, count);