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* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jbpm.jpdl.patterns;
import junit.framework.TestCase;
import org.jbpm.graph.def.ActionHandler;
import org.jbpm.graph.def.Node;
import org.jbpm.graph.def.ProcessDefinition;
import org.jbpm.graph.exe.ExecutionContext;
import org.jbpm.graph.exe.ProcessInstance;
import org.jbpm.graph.exe.Token;
import org.jbpm.taskmgmt.def.Task;
import org.jbpm.taskmgmt.def.TaskMgmtDefinition;
import org.jbpm.taskmgmt.exe.TaskInstance;
import org.jbpm.taskmgmt.exe.TaskMgmtInstance;
/**
* http://is.tm.tue.nl/research/patterns/download/swf/pat_15.swf
*/
public class Wfp16MiWithoutAPrioriRuntimeKnowledge extends TestCase {
public static int scenario = -1;
public static class CreateTasks implements ActionHandler {
private static final long serialVersionUID = 1L;
public void execute(ExecutionContext executionContext) throws Exception {
TaskMgmtDefinition tmd = (TaskMgmtDefinition) executionContext.getDefinition(TaskMgmtDefinition.class);
Task task = tmd.getTask("watch movie amadeus");
// create as many task instances as the scenario prescribes :
// 0 tasks for scenario 1
// 1 task for scenario 2
// 2 tasks for scenario 3
// 3 tasks for scenario 4
TaskMgmtInstance tmi = executionContext.getTaskMgmtInstance();
for (int i = 1; i<scenario; i++) {
tmi.createTaskInstance(task, executionContext.getToken());
}
}
}
public static ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
"<process-definition>" +
" <start-state name='a'>" +
" <transition to='b' />" +
" </start-state>" +
" <state name='b'>" +
" <transition to='t' />" +
" </state>" +
" <task-node name='t' create-tasks='false' signal='last-wait'>" +
" <event type='node-enter'>" +
" <action class='org.jbpm.jpdl.patterns.Wfp16MiWithoutAPrioriRuntimeKnowledge$CreateTasks' />" +
" </event>" +
" <task name='watch movie amadeus' />" +
" <transition to='c' />" +
" </task-node>" +
" <state name='c' />" +
"</process-definition>"
);
public static Node t = processDefinition.getNode("t");
public static Node c = processDefinition.getNode("c");
public void testAprioriRuntimeKnowledgeScenario1() {
scenario = 1;
ProcessInstance processInstance = new ProcessInstance(processDefinition);
Token token = processInstance.getRootToken();
processInstance.signal();
processInstance.signal();
assertSame(t, token.getNode());
assertEquals(0, getNbrOfTasks(token));
addOneTask(token);
assertSame(t, token.getNode());
assertEquals(1, getNbrOfTasks(token));
addOneTask(token);
assertSame(t, token.getNode());
assertEquals(2, getNbrOfTasks(token));
endOneTask(token);
assertSame(t, token.getNode());
assertEquals(1, getNbrOfTasks(token));
endOneTask(token);
assertSame(c, token.getNode());
assertEquals(0, getNbrOfTasks(token));
}
public void testAprioriRuntimeKnowledgeScenario2() {
scenario = 2;
ProcessInstance processInstance = new ProcessInstance(processDefinition);
Token token = processInstance.getRootToken();
processInstance.signal();
processInstance.signal();
assertSame(t, token.getNode());
assertEquals(1, getNbrOfTasks(token));
addOneTask(token);
assertSame(t, token.getNode());
assertEquals(2, getNbrOfTasks(token));
endOneTask(token);
assertSame(t, token.getNode());
assertEquals(1, getNbrOfTasks(token));
endOneTask(token);
assertSame(c, token.getNode());
assertEquals(0, getNbrOfTasks(token));
}
public void testAprioriRuntimeKnowledgeScenario3() {
scenario = 3;
ProcessInstance processInstance = new ProcessInstance(processDefinition);
Token token = processInstance.getRootToken();
processInstance.signal();
processInstance.signal();
assertSame(t, token.getNode());
assertEquals(2, getNbrOfTasks(token));
addOneTask(token);
assertSame(t, token.getNode());
assertEquals(3, getNbrOfTasks(token));
endOneTask(token);
endOneTask(token);
assertSame(t, token.getNode());
assertEquals(1, getNbrOfTasks(token));
endOneTask(token);
assertSame(c, token.getNode());
assertEquals(0, getNbrOfTasks(token));
}
public void testAprioriRuntimeKnowledgeScenario4() {
scenario = 4;
ProcessInstance processInstance = new ProcessInstance(processDefinition);
Token token = processInstance.getRootToken();
processInstance.signal();
processInstance.signal();
assertSame(t, token.getNode());
assertEquals(3, getNbrOfTasks(token));
addOneTask(token);
assertSame(t, token.getNode());
assertEquals(4, getNbrOfTasks(token));
endOneTask(token);
endOneTask(token);
endOneTask(token);
assertSame(t, token.getNode());
assertEquals(1, getNbrOfTasks(token));
endOneTask(token);
assertSame(c, token.getNode());
assertEquals(0, getNbrOfTasks(token));
}
private void addOneTask(Token token) {
TaskMgmtDefinition tmd = (TaskMgmtDefinition) processDefinition.getDefinition(TaskMgmtDefinition.class);
Task task = tmd.getTask("watch movie amadeus");
TaskMgmtInstance tmi = token.getProcessInstance().getTaskMgmtInstance();
tmi.createTaskInstance(task, token);
}
private int getNbrOfTasks(Token token) {
TaskMgmtInstance tmi = (TaskMgmtInstance) token.getProcessInstance().getInstance(TaskMgmtInstance.class);
return tmi.getUnfinishedTasks(token).size();
}
public static void endOneTask(Token token) {
TaskMgmtInstance tmi = (TaskMgmtInstance)token.getProcessInstance().getInstance(TaskMgmtInstance.class);
TaskInstance taskInstance = (TaskInstance) tmi.getUnfinishedTasks(token).iterator().next();
taskInstance.end();
}
}