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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 junit.framework.TestCase;
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 TestCase {
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 = (TaskMgmtInstance) pi.getInstance(TaskMgmtInstance.class);
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() );
}
}