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Group assignment and action on tasks
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created by <a href="http://community.jboss.org/people/sasir">Sasi R</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/595376#595376">View the full discussion</a>
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<div class="jive-rendered-content"><p>Am able to define and assign the groupid tohuman task and able to pull the list of tasks  using TaskClient. Howwever am unable to action further(like release/claim/start/complete) on the items assigned to the group using the member of group as userid.</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>How does TaskServer behave in this scenario? Am i missing something here??</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Code Snippet</p><p>*******</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><span style="color: #0000ff;"><strong>For Group Assignment</strong></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"><span style="font-size: 10pt;"> </span> </p><p>MinaTaskServer server;</p><p>EntityManagerFactory emf = Persistence.createEntityManagerFactory("org.jbpm.task");<br/>TaskService taskService = new TaskService(emf, SystemEventListenerFactory.getSystemEventListener());<br/>TaskServiceSession taskSession= taskService.createSession();</p><p>server = new MinaTaskServer(taskService);<br/>Thread thread = new Thread(server);</p><p><div><span style="font-size: 10pt;"><p style="min-height: 8pt; height: 8pt; padding: 0px;"><span style="color: #7f0055; font-size: 10pt;"> </span> </p></span></div></p><p><span style="font-size: 10pt;"><p><p><div><div><span style="color: #7f0055; font-size: 10pt;">List<OrganizationalEntity> usersList=new ArrayList<OrganizationalEntity>();<span style="font-size: 10pt;"> </span></span></div></div></p><div><span style="color: #7f0055; font-size: 10pt;"> </span></div></p><span style="color: #7f0055; font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><p>usersList.add(<strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">new</strong></strong><span style="font-size: 10pt;"> User(</span><span style="color: #2a00ff; font-size: 10pt;">"sasi"</span><div><span style="font-size: 10pt;">));</span></div></p></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></p></span><p><span style="font-size: 10pt;"><p style="min-height: 8pt; height: 8pt; padding: 0px;"><span style="font-size: 10pt;"> </span> </p></span><p><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><p>usersList.add(<strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">new</strong></strong><span style="font-size: 10pt;"> User(</span><span style="color: #2a00ff; font-size: 10pt;">"venkat"</span><div><span style="font-size: 10pt;">));</span></div></p></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><p>usersList.add(<strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">new</strong></strong><span style="font-size: 10pt;"> User(</span><span style="color: #2a00ff; font-size: 10pt;">"krisv"</span><div><span style="font-size: 10pt;">));</span></div></p></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"><p>usersList.add(<strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">new</strong></strong><span style="font-size: 10pt;"> User(</span><span style="color: #2a00ff; font-size: 10pt;">"mary"</span><span style="font-size: 10pt;">));</span></p></span></p><p></p><p><div><div><span style="color: #7f0055; font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><p>BPMTaskUserInfo userInfo = <strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">new</strong></strong><div><span style="font-size: 10pt;">BPMTaskUserInfo();</span></div></p></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span></span></div></div></p><div><span style="color: #7f0055; font-size: 10pt;"> </span></div></p></span><span style="color: #7f0055; font-size: 10pt;"><p><span style="font-size: 10pt;"><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>taskService.setUserinfo(userInfo);</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><p>userInfo.getGroups().put(<strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">new</strong></strong><span style="font-size: 10pt;"> Group(</span><span style="color: #2a00ff; font-size: 10pt;">"</span><span style="color: #2a00ff; font-size: 10pt; font-family: Courier New;">Group1</span><span style="color: #2a00ff; font-size: 10pt;">"</span><div><span style="font-size: 10pt;">), usersList);</span></div></p></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><span style="font-size: 10pt;"><p>userInfo.getGroups().put(<strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">new</strong></strong><span style="font-size: 10pt;"> Group(</span><span style="color: #2a00ff; font-size: 10pt;">"</span><span style="color: #2a00ff; font-size: 10pt; font-family: Courier New;">Group2</span><span style="color: #2a00ff; font-size: 10pt;">"</span><div><span style="font-size: 10pt;">), usersList);</span></div></p></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><span style="font-size: 10pt;"> </span></span><div><span style="font-size: 10pt;"><p>userInfo.getGroups().put(<strong style="color: #7f0055; font-size: 10pt;"><strong style="color: #7f0055; font-size: 10pt;">new</strong></strong><span style="font-size: 10pt;"> Group(</span><span style="color: #2a00ff; font-size: 10pt;">"</span><span style="color: #2a00ff; font-size: 10pt; font-family: Courier New;">Group3</span><span style="color: #2a00ff; font-size: 10pt;">"</span><span style="font-size: 10pt;">), usersList);</span></p></span></div></p><span style="font-size: 10pt;"><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span><p><div><span style="font-size: 10pt;"> </span></div></p><span style="font-size: 10pt;"><p><p><span style="font-size: 10pt;"><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></span><span style="font-size: 10pt;"> </span><span style="font-size: 10pt;"> </span></p></p></span><p><p><a class="jive-link-anchor-small">#</a><a class="jive-link-anchor-small">#</a><a class="jive-link-anchor-small">#</a><a class="jive-link-anchor-small">#</a><a class="jive-link-anchor-small">#</a></p><a class="jive-link-anchor-small">#</a><a class="jive-link-anchor-small">#</a><p><a class="jive-link-anchor-small">#</a></p><p><a class="jive-link-anchor-small">#</a><a class="jive-link-anchor-small">#</a><a class="jive-link-anchor-small">#</a><a class="jive-link-anchor-small">#</a></p><a class="jive-link-anchor-small">#</a></p></span></span></span></p><p><p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p></p><p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p></p><p><span style="color: #0000ff;"><strong>For retrieving tasks</strong></span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"><span style="color: #0000ff;"><strong> </strong></span> </p><p>public static void getTasks(StatefulKnowledgeSession ksession){<br/>  WorkItemHandler htHandler = new WSHumanTaskHandler(); <br/>  ksession.getWorkItemManager().registerWorkItemHandler("Human Task", htHandler); </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>  TaskClient client = new TaskClient(new MinaTaskClientConnector("client 1",new MinaTaskClientHandler(SystemEventListenerFactory.getSystemEventListener()))); <br/>  boolean isConnected = client.connect("127.0.0.1", 9123); <br/>  <br/>  System.out.println("client conencted :"+isConnected);<br/>  BlockingTaskSummaryResponseHandler summaryHandler = new BlockingTaskSummaryResponseHandler(); <br/>  int timeoutCounter = 0; <br/>  List<TaskSummary> tasks; <br/>  List<String> groups= new ArrayList<String>();<br/>  groups.add("Group1");</p><p>  do { <br/>  client.getTasksAssignedAsPotentialOwner("sasi",groups, "en-UK", summaryHandler); <br/>  tasks = summaryHandler.getResults(); <br/>  <br/>   TaskSummary task = null;  <br/>   for (TaskSummary taskSummary : tasks) <br/>   {   <br/>   System.out.println(taskSummary.getId() + " : "     + taskSummary.getName());   <br/>    <br/>   }<br/>  //wait until the task is registered with the server or timeout expires <br/>  if (timeoutCounter != 0) { <br/>  try {<br/>   Thread.sleep(10);<br/>  } catch (InterruptedException e) {<br/>   // TODO Auto-generated catch block<br/>   e.printStackTrace();<br/>  } <br/>  } <br/>  } while (tasks.isEmpty() && timeoutCounter++ < 10); <br/>  System.out.println("Tasks size is"+tasks.size()); </p><p>  TaskSummary task = tasks.get(0);<br/>  <br/>  System.out.println("Task details are "+task.getId());<br/>  <br/>  BlockingTaskOperationResponseHandler operationHandler = <br/>   new BlockingTaskOperationResponseHandler(); <br/>   client.release(task.getId(), "Administrator", operationHandler); <br/>   operationHandler.waitTillDone(5000); <br/>   <br/>   operationHandler = <br/>   new BlockingTaskOperationResponseHandler(); <br/>   client.claim(task.getId(), "sasi", operationHandler); <br/>   operationHandler.waitTillDone(5000); </p><p>   operationHandler = <br/>   new BlockingTaskOperationResponseHandler(); <br/>   client.start(task.getId(), "sasi", operationHandler); <br/>   operationHandler.waitTillDone(5000); </p><p>   operationHandler = <br/>   new BlockingTaskOperationResponseHandler(); <br/>   client.complete(task.getId(), "sasi", null, <br/>   operationHandler); <br/>   operationHandler.waitTillDone(5000);</p><p>  <br/>   <br/>}</p><p><br/><span style="color: #0000ff;"><strong>Error:</strong></span></p><p>[2011:03:83 11:03:898:debug] Arguments : [[org.jbpm.task.query.TaskSummary@3585d013, <a class="" href="http://community.jboss.org/mailto:org.jbpm.task.query.TaskSummary@7fc4f753">org.jbpm.task.query.TaskSummary@7fc4f753</a>, <a class="" href="http://community.jboss.org/mailto:org.jbpm.task.query.TaskSummary@c2579d8d">org.jbpm.task.query.TaskSummary@c2579d8d</a>, <a class="" href="http://community.jboss.org/mailto:org.jbpm.task.query.TaskSummary@73ef06e5">org.jbpm.task.query.TaskSummary@73ef06e5</a>, <a class="" href="http://community.jboss.org/mailto:org.jbpm.task.query.TaskSummary@2d60e703">org.jbpm.task.query.TaskSummary@2d60e703</a>, <a class="" href="http://community.jboss.org/mailto:org.jbpm.task.query.TaskSummary@aa5cc20b">org.jbpm.task.query.TaskSummary@aa5cc20b</a>, <a class="" href="http://community.jboss.org/mailto:org.jbpm.task.query.TaskSummary@33aad8e3">org.jbpm.task.query.TaskSummary@33aad8e3</a>, <a class="" href="http://community.jboss.org/mailto:org.jbpm.task.query.TaskSummary@105b609b">org.jbpm.task.query.TaskSummary@105b609b</a>, <a class="" href="http://community.jboss.org/mailto:org.jbpm.task.query.TaskSummary@9a153a13">org.jbpm.task.query.TaskSummary@9a153a13</a>, <a class="" href="http://community.jboss.org/mailto:org.jbpm.task.query.TaskSummary@2398c26b">org.jbpm.task.query.TaskSummary@2398c26b</a>, <a class="" href="http://community.jboss.org/mailto:org.jbpm.task.query.TaskSummary@63ece17b">org.jbpm.task.query.TaskSummary@63ece17b</a>]]<br/>5105 : Event-Ready-Task<br/>9905 : Event-Ready-Task<br/>3755 : Event-Ready-Task<br/>4355 : Event-Ready-Task<br/>8705 : Event-Ready-Task<br/>5705 : Event-Ready-Task<br/>6305 : Event-Ready-Task<br/>6905 : Event-Ready-Task<br/>7505 : Event-Ready-Task<br/>8105 : Event-Ready-Task<br/>9305 : Event-Ready-Task<br/>Tasks size is11<br/>Task details are 5105<br/><span style="color: #ff0000;">org.jbpm.task.service.PermissionDeniedException: Server-side Exception: User '[User:'Administrator']' was unable to execution operation 'Release' on task id 5105 due to no 'current status' matchines</span><br/>at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)<br/>at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)<br/>at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)<br/>at java.lang.reflect.Constructor.newInstance(Unknown Source)<br/>at org.jbpm.task.service.responsehandlers.AbstractBaseResponseHandler.createSideException(AbstractBaseResponseHandler.java:74)<br/>at org.jbpm.task.service.responsehandlers.AbstractBlockingResponseHandler.waitTillDone(AbstractBlockingResponseHandler.java:48)<br/>at com.sample.CorporateActionsNewTest.getTasks(CorporateActionsNewTest.java:132)<br/>at com.sample.CorporateActionsNewTest.main(CorporateActionsNewTest.java:60)<br/>[2011:03:83 11:03:37:debug] Message receieved on client : OperationResponse<br/>[2011:03:83 11:03:38:debug] Arguments : [org.jbpm.task.service.PermissionDeniedException: User '[User:'Administrator']' was unable to execution operation 'Release' on task id 5105 due to no 'current status' matchines]</p><p><br/>If i try with Sasi for release</p><p>org.jbpm.task.service.PermissionDeniedException: Server-side Exception: User '[User:'sasi']' was unable to execution operation 'Release' on task id 5105 due to no 'current status' matchines<br/>at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)<br/>at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)<br/>at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)<br/>at java.lang.reflect.Constructor.newInstance(Unknown Source)<br/>at org.jbpm.task.service.responsehandlers.AbstractBaseResponseHandler.createSideException(AbstractBaseResponseHandler.java:74)<br/>at org.jbpm.task.service.responsehandlers.AbstractBlockingResponseHandler.waitTillDone(AbstractBlockingResponseHandler.java:48)[2011:03:83 11:03:626:debug] Message receieved on client : OperationResponse<br/><span style="color: #ff0000;">[2011:03:83 11:03:627:debug] Arguments : [org.jbpm.task.service.PermissionDeniedException: User '[User:'sasi']' was unable to execution operation 'Release' on task id 5105 due to no 'current status' matchines]</span></p><p>at com.sample.CorporateActionsNewTest.getTasks(CorporateActionsNewTest.java:132)<br/>at com.sample.CorporateActionsNewTest.main(CorporateActionsNewTest.java:60)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>5105 task is with 'Ready' status in datasbase</p></div>
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