iam writing a webapplication(jsps and servlets(client)),
iam using the following class to call the jbpm engine to get the data but it is
not behaving as i think iam using the following code for the starting of the
process :
public String startProcessInstance(long processDefinitionId,List
taskFormParams)
{
JbpmContext jbpmContext = null;
try {
System.out.println(" the process definition id is " + rocessDefinitionId);
jbpmContext = jbpmConfiguration.createJbpmContext();
Connection conn = jbpmContext.getConnection();
conn.setAutoCommit(true);
GraphSession graphSession = jbpmContext.getGraphSession();
ProcessDefinition processDefinition =
graphSession.loadProcessDefinition(processDefinitionId);
ProcessInstance processInstance =
jbpmContext.newProcessInstance(processDefinition.getName());
ContextInstance contextInstance = (ContextInstance)
processInstance.getInstance(ContextInstance.class);
int size=taskFormParams.size();
for(int i=0;i<size;i++)
{
TaskFormParameter taskFormParam =
(TaskFormParameter)taskFormParams.get(i);
System.out.println("the task form param is
"+taskFormParam);
String label = taskFormParam.getLabel();
System.out.println("the label is "+label);
contextInstance.setVariable(label,taskFormParam.getValue());
}
TaskInstance startTaskInstance =
processInstance.getTaskMgmtInstance().createStartTaskInstance();
Task task = startTaskInstance.getTask();
StartState startState = task.getStartState();
startTaskInstance.start(startState.getName());
List transitions = startTaskInstance.getAvailableTransitions();
int size1 = transitions.size();
System.out.println("the no of transitions" + size1);
String name = "";
Transition transition = null;
for (int i = 0; i < size1; i++) {
System.out.println("the transaction is " + transitions.get(i));
transition = (Transition) transitions.get(i);
name = ((Transition) transitions.get(i)).getName();
System.out.println(" the name of the transition is " + name);
}
System.out.println(" the name is " + name);
if (transition != null) {
startTaskInstance.end(name);
System.out.println("the transition is u r at the end of transtionin if b;ock");
}
else {
startTaskInstance.end();
}
processInstance.signal();
conn.setAutoCommit(false);
jbpmContext.close();
} catch (JbpmPersistenceException e) {
System.out.println(
"this is persisstence exception" +
e.fillInStackTrace());
} catch (Exception e) {
System.out.println(e.fillInStackTrace());
} finally {
System.out.println(
" this is in final section to close the
context");
}
return "task";
}
i thought that it illl execute the start state and it ill stop at the second
state but it is also executing the next state also.
it is behaving differently i didnt find any eror in this code and also the
console si not showing any errors.
please help me or guide me i am a new bie to JBPM how to write
webapplication(simple jsps and servlets ) with out using the beans of the JBPM
webapplication.
"Any help regarding this will be appriciated".
Regards,
mohan.
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