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Re: About jBPM5.1 ProcessInstance and HumanTask persisit
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created by <a href="http://community.jboss.org/people/super_man.sh">Jack G</a> in <i>jBPM</i> - <a href="http://community.jboss.org/message/631013#631013">View the full discussion</a>
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<div class="jive-rendered-content"><p>Hey Mauricio,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks for reply,I have already change my code as follows：</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-java"><font color="navy"><b>public</b></font> <font color="navy"><b>static</b></font> <font color="navy"><b>final</b></font> <font color="navy"><b>void</b></font> startProcess() <font color="navy">{</font>
  TaskClient taskClient = <font color="navy"><b>new</b></font> TaskClient(<font color="navy"><b>new</b></font> MinaTaskClientConnectorExt(<font color="red">"MinaConnector"</font>,
                    <font color="navy"><b>new</b></font> MinaTaskClientHandler(SystemEventListenerFactory.getSystemEventListener())));
  taskClient.connect(<font color="red">"127.0.0.1"</font>, 9123);
 
  KnowledgeBase kbase = readKnowledgeBase();
  EntityManagerFactory emf =Persistence.createEntityManagerFactory(<font color="red">"org.jbpm.jpa"</font> );
  Environment env = KnowledgeBaseFactory.newEnvironment();
  env.set( EnvironmentName.ENTITY_MANAGER_FACTORY, emf);
  env.set(EnvironmentName.GLOBALS, <font color="navy"><b>new</b></font> MapGlobalResolver());
  env.set(EnvironmentName.TRANSACTION_MANAGER, TransactionManagerServices.getTransactionManager());
  env.set(EnvironmentName.OBJECT_MARSHALLING_STRATEGIES, <font color="navy"><b>new</b></font> ObjectMarshallingStrategy[]<font color="navy">{</font><font color="navy"><b>new</b></font> JPAPlaceholderResolverStrategy(env),<font color="navy"><b>new</b></font> SerializablePlaceholderResolverStrategy(ClassObjectMarshallingStrategyAcceptor.DEFAULT)<font color="navy">}</font>);
  StatefulKnowledgeSession ksession = JPAKnowledgeService.newStatefulKnowledgeSession(kbase, null, env );
 
  CommandBasedWSHumanTaskHandler taskHandler=<font color="navy"><b>new</b></font> CommandBasedWSHumanTaskHandler(ksession);
  taskHandler.setClient(taskClient);
  ksession.getWorkItemManager().registerWorkItemHandler(<font color="red">"Human Task"</font>, taskHandler);
 
  ksession.startProcess(<font color="red">"com.sample.humantask"</font>);
<font color="navy">}</font>
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>The first Human Task was generated after execute the startProcess method, then I write the method completeTask1 as follows:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code jive-java"><font color="navy"><b>public</b></font> <font color="navy"><b>static</b></font> <font color="navy"><b>final</b></font> <font color="navy"><b>void</b></font> completeTask1() <font color="navy">{</font>
  TaskClient taskClient = <font color="navy"><b>new</b></font> TaskClient(<font color="navy"><b>new</b></font> MinaTaskClientConnectorExt(<font color="red">"MinaConnector"</font>,
                    <font color="navy"><b>new</b></font> MinaTaskClientHandler(SystemEventListenerFactory.getSystemEventListener())));
  taskClient.connect(<font color="red">"127.0.0.1"</font>, 9123);
 
  BlockingTaskSummaryResponseHandler taskSummaryHandler = <font color="navy"><b>new</b></font> BlockingTaskSummaryResponseHandler();
  List<String> groups = <font color="navy"><b>new</b></font> ArrayList<String>();
  groups.add(<font color="red">"sales"</font>);
  taskClient.getTasksAssignedAsPotentialOwner(<font color="red">"sales-rep"</font>, groups, <font color="red">"en-UK"</font>, taskSummaryHandler);
  TaskSummary task1 = taskSummaryHandler.getResults().get(0);
  BlockingTaskOperationResponseHandler taskOperationHandler = <font color="navy"><b>new</b></font> BlockingTaskOperationResponseHandler();
  taskClient.claim(task1.getId(), <font color="red">"sales-rep"</font>, groups, taskOperationHandler);
  taskOperationHandler = <font color="navy"><b>new</b></font> BlockingTaskOperationResponseHandler();
  taskClient.start(task1.getId(), <font color="red">"sales-rep"</font>, taskOperationHandler);
  taskOperationHandler.waitTillDone(1000);
  taskOperationHandler = <font color="navy"><b>new</b></font> BlockingTaskOperationResponseHandler();
  Map<String, Object> results = <font color="navy"><b>new</b></font> HashMap<String, Object>();
  results.put(<font color="red">"comment"</font>, <font color="red">"Agreed, existing laptop needs replacing"</font>);
  results.put(<font color="red">"outcome"</font>, <font color="red">"Accept"</font>);
  ContentData contentData = <font color="navy"><b>new</b></font> ContentData();
  contentData.setAccessType(AccessType.Inline);
  ByteArrayOutputStream bos = <font color="navy"><b>new</b></font> ByteArrayOutputStream();
  ObjectOutputStream out;
  <font color="navy"><b>try</b></font> <font color="navy">{</font>
          out = <font color="navy"><b>new</b></font> ObjectOutputStream(bos);
          out.writeObject(results);
          out.close();
          contentData = <font color="navy"><b>new</b></font> ContentData();
          contentData.setContent(bos.toByteArray());
          contentData.setAccessType(AccessType.Inline);
  <font color="navy">}</font> <font color="navy"><b>catch</b></font> (IOException e) <font color="navy">{</font>
          e.printStackTrace();
  <font color="navy">}</font>
  taskClient.complete(task1.getId(), <font color="red">"sales-rep"</font>, contentData, taskOperationHandler);
  taskOperationHandler.waitTillDone(1000);
<font color="navy">}</font>
</code></pre><p>Execute the completeTask1 method,first Human Task was be completed in db,but the processinstance was not continue,task table screenshot as follows:</p><p><a href="http://community.jboss.org/servlet/JiveServlet/showImage/2-631013-17115/tasklist.png"><span> http://community.jboss.org/servlet/JiveServlet/downloadImage/2-631013-17115/450-28/tasklist.png </span></a></p><p>As you see,the first HumanTask status was completed,because processinstance was not continue,so no new HumanTask generate.If continue the processInstance will be generate new HumanTask.But there is no.I don't know why.</p><p></p><p>Thanks & Best Regards</p></div>
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<p style="margin: 0;">Reply to this message by <a href="http://community.jboss.org/message/631013#631013">going to Community</a></p>
<p style="margin: 0;">Start a new discussion in jBPM at <a href="http://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2034">Community</a></p>
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