[jboss-user] [JBoss jBPM] - Re: Error in node-->TaskNode

[harderwu]

again! 
that is misspelled!! 
ProcessDefinition: 
 
<start-state name="a">
  |        <transition name="tra" to="b">
  |        </transition>
  |    </start-state>
  |    <task-node name="b">
  |       <task name="first">
  |          <assignment class="com.test.assignment.PartMaster" config-type="bean">
  |             <groupName>leader</groupName>
  |          </assignment>
  |               </task>
  |            <transition name="tra2" to="c">
  |                </transition>
  |  </task-node>	 

 	 

first,I can get a object of transition that name is "tra", 
but there is an error when i get the object of tasknode by the transition.getTo() 

TaskNode tasknode = (TaskNode) transition.getTo();	 

there is not the error if i get the object of node by by the transition.getTo() 

  | Node node = (Node) transition.getTo();	 

i know the node is the father class of the tasknode, i had seen the code in the exmaple of org.jbpm.test: 

public void testTaskNode() { 
  | ProcessDefinition processDefinition = ProcessDefinition.parseXmlString( 
  |  "<process-definition>" +
  |       "  <task-node name='t' signal='first-wait' create-tasks='false'>" +
  |       "    <task name='change the world once' blocking='true'>" +
  |       "      <assignment class='anyonebutme' />" +
  |       "    </task>" +
  |       "    <task name='change the world twice' />" +
  |       "    <task name='change the world three times' />" +
  |       "  </task-node>" +
  |       "</process-definition>"
  | ); 
  | 
  | processDefinition = saveAndReload(processDefinition); 
  | 
  | TaskNode taskNode = ( TaskNode ) processDefinition. getNode("t"); 
  | } 




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