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*
* This software is distributed in the hope that it will be useful,
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
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* License along with this software; if not, write to the Free
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package org.jbpm.jpdl.patterns;
import java.util.ArrayList;
import java.util.List;
import org.jbpm.AbstractJbpmTestCase;
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 org.jbpm.taskmgmt.exe.TaskMgmtInstance;
/**
* http://is.tm.tue.nl/research/patterns/download/swf/pat_13.swf
*/
public class Wfp14MiWithAPrioriDesigntimeKnowledgeTest extends AbstractJbpmTestCase {
public void testSituation1() {
ProcessDefinition pd = ProcessDefinition.parseXmlString("<process-definition name='the life of a baby'>"
+ " <start-state name='a'>"
+ " <transition to='b' />"
+ " </start-state>"
+ " <state name='b'>"
+ " <transition to='t' />"
+ " </state>"
+ " <task-node name='t'>"
+ " <task name='eat' />"
+ " <task name='drink' />"
+ " <task name='sleep' />"
+ " <transition to='c' />"
+ " </task-node>"
+ " <state name='c' />"
+ "</process-definition>");
ProcessInstance pi = new ProcessInstance(pd);
TaskMgmtInstance taskMgmtInstance = pi.getTaskMgmtInstance();
pi.signal();
Token token = pi.getRootToken();
// after start, the token is waiting in state b
assertSame(pd.getNode("b"), token.getNode());
// and no tasks have been created yet
assertEquals(0, taskMgmtInstance.getUnfinishedTasks(token).size());
// now we signal the process to move on.
// execution will arrive at the task-node
// the default behaviour of the task node is to create each task and wait
// till the last one finishes
pi.signal();
// now, 3 tasks have been created...
List tasks = new ArrayList(taskMgmtInstance.getUnfinishedTasks(token));
assertEquals(3, tasks.size());
// ... and the process is in the task state
assertSame(pd.getNode("t"), token.getNode());
// now we finish the tasks one by one
// finish task 0
((TaskInstance) tasks.get(0)).end();
// still 2 tasks remaining
assertEquals(2, taskMgmtInstance.getUnfinishedTasks(token).size());
// and the process is still in node t
assertSame(pd.getNode("t"), token.getNode());
// finish task 1
((TaskInstance) tasks.get(1)).end();
// still 1 task remaining
assertEquals(1, taskMgmtInstance.getUnfinishedTasks(token).size());
// and the process is still in node t
assertSame(pd.getNode("t"), token.getNode());
// finish task 2
((TaskInstance) tasks.get(2)).end();
// no more tasks remaining
assertEquals(0, taskMgmtInstance.getUnfinishedTasks(token).size());
// and the process has moved to node c
assertEquals(pd.getNode("c"), token.getNode());
}
}