In this example, in the line

log(token, task, "tn3", "t3", "Transition(to_tn4)");
assertEquals("ADEUS", task.getActorId());

Get the wrong task, but execute the right assignment class.
It gives me task t2, and i expected task t3.

I don't understand why. Any help?

import org.jbpm.graph.def.ProcessDefinition;
import org.jbpm.graph.exe.ProcessInstance;
import org.jbpm.graph.exe.Token;
import org.jbpm.taskmgmt.exe.TaskInstance;

import junit.framework.*;

public class TaskAssignmentTest extends TestCase {

 public void testTaskAssignment() {
 ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
 "<process-definition name='test'>" +
 " <start-state>" +
 " <transition name='to_tn1' to='tn1' />" +
 " </start-state>" +

 " <task-node name='tn1'>" +
 " <task name='t1'>" +
 " </task>" +
 " <transition name='to_state1' to='state1' />" +
 " </task-node>" +

 " <state name='state1'>" +
 " <transition name='to_tn2' to='tn2' />" +
 " </state>" +

 " <task-node name='tn2'>" +
 " <task name='t2'>" +
 " <assignment class='com.sample.jbpm.taskmgmt.Ola' />" +
 " </task>" +
 " <transition name='to_tn3' to='tn3' />" +
 " </task-node>" +

 " <task-node name='tn3'>" +
 " <task name='t3'>" +
 " <assignment class='com.sample.jbpm.taskmgmt.Adeus' />" +
 " </task>" +
 " <transition name='to_tn4' to='tn4' />" +
 " </task-node>" +

 " <task-node name='tn4'>" +
 " <task name='t4'>" +
 " </task>" +
 " <transition name='to_end' to='end' />" +
 " </task-node>" +
 /*
 " <state name='s'>" +
 " <transition name='to_end' to='end' />" +
 " </state>" +
 */
 " <end-state name='end' />" +
 "</process-definition>"
 );

 ProcessInstance processInstance = new ProcessInstance(processDefinition);
 processInstance.getInstances().values();

 Token token = processInstance.getRootToken();
 TaskInstance task = null;

 token.signal("to_tn1");

 //TN1
 task = (TaskInstance)processInstance.getTaskMgmtInstance().getTaskInstances().iterator().next();
 System.out.println("---> " + token.getNode().getName());
 log(token, task, "tn1", "t1", "Transition(to_state1)");
 task.end("to_state1");
 //taskInstance.end();

 //STATE1
 //System.out.println(">>---> " + token.getNode().getName());
 //log(token, null);
 token.signal("to_tn2");
 token.end();

 //TN2
 task = (TaskInstance)processInstance.getTaskMgmtInstance().getTaskInstances().iterator().next();
 //task.start();
 log(token, task, "tn2", "t2", "Transition(to_tn3)");
 assertEquals("OLA", task.getActorId());
 task.end("to_tn3");

 //TN3
 task = (TaskInstance)processInstance.getTaskMgmtInstance().getTaskInstances().iterator().next();
 // Get the wrong task, but execute the right assignment class.
 log(token, task, "tn3", "t3", "Transition(to_tn4)");
 assertEquals("ADEUS", task.getActorId());
 task.end("to_tn4");

 // TN4
 task = (TaskInstance)processInstance.getTaskMgmtInstance().getTaskInstances().iterator().next();
 log(token, task, "tn4", "t4", "Transition(to_end)");

 processInstance.end();
 }

 public void log(Token t, TaskInstance ti, String expectedTaskNode, String expectedTask, String expectedTransition)
 {
 assertEquals(expectedTaskNode, t.getNode().getName());

 if(ti != null) {
 assertEquals(expectedTask, ti.getTask().getName());

 for(int i=0; i<ti.getAvailableTransitions().size();i++)
 assertEquals(expectedTransition, ti.getAvailableTransitions().get(i).toString());
 }
 }
}

import org.jbpm.graph.exe.*;
import org.jbpm.taskmgmt.def.*;
import org.jbpm.taskmgmt.exe.Assignable;

public class Adeus implements AssignmentHandler {

 private static final long serialVersionUID = 1L;

 public void assign(Assignable assignable, ExecutionContext executionContext) {
 assignable.setActorId("ADEUS");
 }

}

import org.jbpm.graph.exe.*;
import org.jbpm.taskmgmt.def.*;
import org.jbpm.taskmgmt.exe.Assignable;

public class Ola implements AssignmentHandler {

 private static final long serialVersionUID = 1L;

 public void assign(Assignable assignable, ExecutionContext executionContext) {
 assignable.setActorId("OLA");
 }

}