JBPM4.4 撤除任务/回退任务/自由流

JBPM4.4 撤销任务/回退任务/自由流

JBPM4.4 撤销任务/回退任务/自由流http://paomo30000.iteye.com/blog/768033

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• JAVAJBPMjunitXML活动JBPM4.4任务撤销操作/回退操作/自由流?
  详细操作看注释。?
  操作示意图?
  ?
  task.jpdl.xml?
  Xml代码??
  1. <?xml?version="1.0"?encoding="UTF-8"?>??
  2. ??
  3. <process?name="TaskAssignee"?xmlns="http://jbpm.org/4.3/jpdl">??
  4. ??
  5. ??<start?g="20,20,48,48">??
  6. ????<transition?g="-23,-17"?name="123"?to="review"/>??
  7. ??</start>??
  8. ??
  9. ??<task?assignee="#{order.owner}"?g="96,16,127,52"?name="review">??
  10. ??????<transition?g="-59,-17"?name="to?state1"?to="state1"/>??
  11. ??????<transition?g="-53,-17"?name="to?task1"?to="task1"/>??
  12. ??</task>??
  13. ??<state?g="143,142,92,52"?name="state1">??
  14. ??????<transition?g="-47,-17"?name="to?end1"?to="end1"/>??
  15. ??</state>??
  16. ????
  17. ???<task?assignee="#{order.owner}"?g="348,86,92,52"?name="task1">??
  18. ??????<transition?name="to?end1"?to="end1"?g="-47,-17"/>??
  19. ???</task>??
  20. ????<end?g="213,298,48,48"?name="end1"/>??
  21. </process>??
  
  
  TestUndoTask.java?
  Java代码??
  1. package?TestPackage;??
  2. ??
  3. import?static?org.junit.Assert.*;??
  4. ??
  5. import?java.util.HashMap;??
  6. import?java.util.Iterator;??
  7. import?java.util.List;??
  8. import?java.util.Map;??
  9. import?java.util.Set;??
  10. ??
  11. import?javax.annotation.Resource;??
  12. ??
  13. import?org.jbpm.api.Configuration;??
  14. import?org.jbpm.api.ExecutionService;??
  15. import?org.jbpm.api.HistoryService;??
  16. import?org.jbpm.api.ProcessDefinition;??
  17. import?org.jbpm.api.ProcessEngine;??
  18. import?org.jbpm.api.ProcessInstance;??
  19. import?org.jbpm.api.RepositoryService;??
  20. import?org.jbpm.api.TaskService;??
  21. import?org.jbpm.api.history.HistoryActivityInstance;??
  22. import?org.jbpm.api.task.Task;??
  23. import?org.jbpm.examples.task.assignee.Order;??
  24. import?org.jbpm.pvm.internal.env.EnvironmentFactory;??
  25. import?org.jbpm.pvm.internal.env.EnvironmentImpl;??
  26. import?org.jbpm.pvm.internal.model.ActivityImpl;??
  27. import?org.jbpm.pvm.internal.model.ExecutionImpl;??
  28. import?org.jbpm.pvm.internal.model.ProcessDefinitionImpl;??
  29. import?org.jbpm.pvm.internal.model.TransitionImpl;??
  30. import?org.jbpm.pvm.internal.task.TaskImpl;??
  31. import?org.junit.*;??
  32. import?org.springframework.test.context.ContextConfiguration;??
  33. import?org.springframework.test.context.junit4.AbstractJUnit4SpringContextTests;??
  34. ??
  35. import?IdentitySessionImp.DhbsIdentitySessionImp;??
  36. ??
  37. @ContextConfiguration("classpath:applicationContext.xml")??
  38. public?class?TestUndoTask?extends?AbstractJUnit4SpringContextTests?{??
  39. ????private?String?deploymentId;??
  40. ????private?ProcessEngine?processEngine;??
  41. ????private?TaskService?taskService;??
  42. ????private?RepositoryService?repositoryService;??
  43. ????private?ExecutionService?executionService;??
  44. ????private?HistoryService?historyService;??
  45. ??????
  46. ????public?TestUndoTask()?{??
  47. ????}??
  48. ??
  49. ????@BeforeClass??
  50. ????public?static?void?setUpClass()?throws?Exception?{??
  51. ????}??
  52. ??
  53. ????@AfterClass??
  54. ????public?static?void?tearDownClass()?throws?Exception?{??
  55. ????}??
  56. ??
  57. ????@Before??
  58. ????public?void?setUp()?{??
  59. ????????processEngine?=?Configuration.getProcessEngine();??
  60. ????????repositoryService?=?processEngine??
  61. ????????????????.getRepositoryService();??
  62. ????????executionService?=?processEngine.getExecutionService();??
  63. ????????taskService?=?processEngine.getTaskService();??
  64. ????????historyService?=?processEngine.getHistoryService();??
  65. ????????deploymentId?=?repositoryService.createDeployment()??
  66. ????????.addResourceFromClasspath("task.jpdl.xml")??
  67. ????????.deploy();??
  68. ????}??
  69. ??
  70. ????@After??
  71. ????public?void?tearDown()?{??
  72. ????????repositoryService.deleteDeploymentCascade(deploymentId);??
  73. ????}??
  74. ??
  75. ????/*@Resource?
  76. ????private?DhbsIdentitySessionImp?identitySession;*/??
  77. ??
  78. ????@Test??
  79. ????public?void?testTaskAssignee()?{??
  80. ????????????
  81. ????????//显示流程定义??
  82. ??????????ProcessDefinition?pd?=?repositoryService.createProcessDefinitionQuery().uniqueResult();??
  83. ??????????System.out.println("显示流程定义??"+pd.getId()+"??"+pd.getKey()+"??"+"??"+pd.getName());??
  84. ????????Map<String,?Object>?variables?=?new?HashMap<String,?Object>();???
  85. ????????variables.put("order",?new?Order("johndoe"));??
  86. ????????//启动1个实例??
  87. ????????ProcessInstance?processInstance3?=?executionService.startProcessInstanceByKey("TaskAssignee",?variables);??
  88. ????????String?p3id?=?processInstance3.getId();??
  89. ????????//johndoe的任务列表这时有了1条待办任务??
  90. ????????List<Task>?taskList?=?taskService.findPersonalTasks("johndoe");??
  91. ????????assertEquals(1,?taskList.size());??
  92. ????????for(Task?task?:?taskList){??
  93. ????????????System.out.println("task.getId()?=?"+task.getId());??
  94. ????????????System.out.println("task.getName()?=?"+task.getName());??
  95. ????????}??
  96. ??????????
  97. ????????Task?task1?=?taskList.get(0);??
  98. ????????//查看第一个待办任务所有流出的节点??
  99. ????????Set<String>?outcomes?=?taskService.getOutcomes(task1.getId());??
  100. ????????Iterator?it?=?outcomes.iterator();??
  101. ????????while(it.hasNext()){??
  102. ????????????String?str?=?(String)?it.next();??
  103. ????????????System.out.println("outcome?=?"+str);??
  104. ????????}??
  105. ????????assertEquals("review",?task1.getName());??
  106. ????????assertEquals("johndoe",?task1.getAssignee());??
  107. ????????//流程向下运行??
  108. ????????Map<String,?Object>?assignMap?=?new?HashMap<String,?Object>();???
  109. ????????assignMap.put("order",?new?Order("we"));??
  110. ????????taskService.completeTask(task1.getId(),"to?task1",assignMap);??
  111. ????????//重新查询才能看到状态改变??
  112. ????????List<ProcessInstance>?piList?=?executionService.createProcessInstanceQuery().list();??
  113. ????????for(ProcessInstance?pi?:?piList){??
  114. ????????????System.out.println(pi.findActiveActivityNames());??
  115. ????????}??
  116. ??????????
  117. ????????//?查看johndoe的待办任务列表是否空了??
  118. ????????List<Task>?johndoetaskList_?=?taskService.findPersonalTasks("johndoe");??
  119. ????????System.out.println("johndoetaskList0.size()?=?"+johndoetaskList_.size());??
  120. ????????assertEquals(0,?johndoetaskList_.size());??
  121. ??????????
  122. ????????//打印在此节点流程的相关信息。这里可以看出getExecutionId()就是流程实例的id即processInstance.getId()??
  123. ????????List<HistoryActivityInstance>?list?=?historyService.createHistoryActivityInstanceQuery().activityName("state1").list();??
  124. ????????for(HistoryActivityInstance?activity?:?list){??
  125. ????????????System.out.println("getActivityName()?=?"+activity.getActivityName());??
  126. ????????????System.out.println("getExecutionId()?=?"+activity.getExecutionId());??
  127. ????????}??
  128. ??????????
  129. ?????//?查看撤销前johndoe的待办任务列表是否为零个??
  130. ????????List<Task>?johndoetaskList0?=?taskService.findPersonalTasks("johndoe");??
  131. ????????System.out.println("查看撤销前johndoe的待办任务列表是否为零个");??
  132. ????????System.out.println("johndoe_taskList1.size()?=?"+johndoetaskList0.size());??
  133. ????????if(johndoetaskList0.size()?>?0){??
  134. ????????????TaskImpl?before_johndoetask?=?(TaskImpl)johndoetaskList0.get(0);??
  135. ????????????String?before_johndoetask_actName?=?before_johndoetask.getActivityName();??
  136. ????????????String?before_johndoetask_ExecutionId?=?before_johndoetask.getExecutionId();??
  137. ????????????System.out.println("before_johndoetask_actName?=?"+before_johndoetask_actName);??
  138. ????????????System.out.println("before_johndoetask_ExecutionId?=?"+before_johndoetask_ExecutionId);??
  139. ????????????assertEquals(0,?johndoetaskList0.size());??
  140. ????????}??
  141. ??????????
  142. ????????//查看撤销前we的待办任务列表是否为一个??
  143. ????????List<Task>?wetaskList1?=?taskService.findPersonalTasks("we");??
  144. ????????System.out.println("查看撤销前we的待办任务列表是否为一个");??
  145. ????????System.out.println("we_taskList1.size()?=?"+wetaskList1.size());??
  146. ????????if(wetaskList1.size()?>?0){??
  147. ????????????TaskImpl?before_wetask?=?(TaskImpl)wetaskList1.get(0);??
  148. ????????????String?before_wetask_actName?=?before_wetask.getActivityName();??
  149. ????????????String?before_wetask_ExecutionId?=?before_wetask.getId();??
  150. ????????????System.out.println("before_wetask_actName?=?"+before_wetask_actName);??
  151. ????????????System.out.println("before_wetask_ExecutionId?=?"+before_wetask_ExecutionId);??
  152. ????????}??
  153. ??????????
  154. ????????assertEquals(1,?wetaskList1.size());??
  155. ????????ProcessDefinitionImpl?pdi?=?(ProcessDefinitionImpl)pd;??
  156. ????????TaskImpl?wetask?=?(TaskImpl)wetaskList1.get(0);??
  157. ????????//进行撤销操作??
  158. ????????addOutTransition(pdi,wetask,"review");??
  159. ????????//重新查询才能看到状态改变??
  160. ????????List<ProcessInstance>?piList1?=?executionService.createProcessInstanceQuery().list();??
  161. ????????for(ProcessInstance?pi?:?piList1){??
  162. ????????????System.out.println(pi.findActiveActivityNames());??
  163. ????????}??
  164. ??????????
  165. ????????//?查看撤销后johndoe的待办任务列表是否为一个??
  166. ????????List<Task>?johndoetaskList1?=?taskService.findPersonalTasks("johndoe");??
  167. ????????System.out.println("查看撤销后johndoe的待办任务列表是否为一个");??
  168. ????????System.out.println("johndoetaskList1.size()?=?"+johndoetaskList1.size());??
  169. ????????if(johndoetaskList1.size()?>?0){??
  170. ????????????TaskImpl?johndoetask?=?(TaskImpl)johndoetaskList1.get(0);??
  171. ????????????String?johndoetask_actName?=?johndoetask.getActivityName();??
  172. ????????????String?johndoetask_ExecutionId?=?johndoetask.getExecutionId();??
  173. ????????????System.out.println("johndoetask_actName?=?"+johndoetask_actName);??
  174. ????????????System.out.println("johndoetask_ExecutionId?=?"+johndoetask_ExecutionId);??
  175. ????????}??
  176. ??????????
  177. ????????//assertEquals(1,?johndoetaskList1.size());??
  178. ????????//查看撤销后we的待办任务列表是否变为零个??
  179. ????????List<Task>?wetaskList?=?taskService.findPersonalTasks("we");??
  180. ????????System.out.println("查看撤销后we的待办任务列表是否为零个");??
  181. ????????System.out.println("wetaskList.size()?=?"+wetaskList.size());??
  182. ????????if(wetaskList.size()?>?0){??
  183. ????????????TaskImpl?taskwww?=?(TaskImpl)wetaskList.get(0);??
  184. ????????????String?wetask_actName?=?taskwww.getActivityName();??
  185. ????????????String?wetask_ExecutionId?=?taskwww.getExecutionId();??
  186. ????????????System.out.println("wetask_actName?=?"+wetask_actName);??
  187. ????????????System.out.println("wetask_ExecutionId?=?"+wetask_ExecutionId);??
  188. ????????}??
  189. ??????}??
  190. ??????
  191. ????/**??
  192. ???????*?动态创建连接当前任务节点至名称为destName的节点的Transition??
  193. ???????*?@param?taskId?任务节点ID??
  194. ???????*?@param?sourceTask?源节点Task?
  195. ???????*?@param?destName??目标节点名称??
  196. ???????*/??
  197. ??????public?void?addOutTransition(ProcessDefinitionImpl?pd,TaskImpl?sourceTask,String?destName){??
  198. ???????EnvironmentFactory?environmentFactory?=?(EnvironmentFactory)?processEngine;??
  199. ???????EnvironmentImpl?env=null;??
  200. ???????try?{??
  201. ???????????env?=?environmentFactory.openEnvironment();??
  202. ???????????//取得当前流程的活动定定义??
  203. ???????????ActivityImpl?sourceActivity?=?pd.findActivity(sourceTask.getActivityName());??
  204. ???????????//取得目标的活动定义??
  205. ???????????ActivityImpl?destActivity=pd.findActivity(destName);??
  206. ???????????//为两个节点创建连接??
  207. ???????????TransitionImpl?transition?=?sourceActivity.createOutgoingTransition();??
  208. ???????????transition.setName("to"?+?destName);??
  209. ???????????transition.setDestination(destActivity);??
  210. ???????????sourceActivity.addOutgoingTransition(transition);??
  211. ???????????System.out.println("sourceActivity.getName()?=?"+sourceActivity.getName());??
  212. ???????????System.out.println("destActivity.getName()?=?"+destActivity.getName());??
  213. ?????????????
  214. ???????????Map<String,?Object>?variables?=?new?HashMap<String,?Object>();???
  215. ???????????variables.put("order",?new?Order("johndoe"));??
  216. ???????????System.out.println("task1.getId()?=?"+sourceTask.getId());??
  217. ????????????
  218. ???????????taskService.completeTask(sourceTask.getId(),transition.getName(),variables);??
  219. ???????}catch(Exception?ex){??
  220. ???????????ex.getMessage();??
  221. ???????}finally{????
  222. ???????????env.close();??
  223. ???????}??
  224. ????}??
  225. } ?
  1 楼 wangsang111 2012-03-20   您好，我参考您的代码做撤回，怎么不能实现撤回呢，流程实例表Execution里的数据仍然不变，虽然we没有了任务，但是johndoe也没有任务，麻烦您再给一个撤回的例子，这个例子好像不对，谢谢啦，急需要