tlucz [
https://community.jboss.org/people/tlucz] created the discussion
"Using TaskService directly"
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https://community.jboss.org/message/772297#772297
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Hi,
I've started using jBPM 5.3.0.Final. I want to use HumanTasks embedded in my
application. So basing on thread:
https://community.jboss.org/thread/162963?start=15&tstart=1
https://community.jboss.org/thread/162963?start=15&tstart=1
I created my own LocalHumanTaskHandler where in constructor TaskServiceSession is
created:
TaskService taskService = new TaskService(emf,
SystemEventListenerFactory.getSystemEventListener());
taskSession = taskService.createSession();
this.session=session;
ExecuteWorkItem method is taken from GenericCommandBasedWSHumanTaskHandler. The only
change is to invoke:
taskSession.addTask(task, content);
instead of:
client.addTask(task, content, new TaskAddedHandler(workItem.getId()));
I can work with HT in a way e.g.:
List<TaskSummary> taskList =
wrapper.taskServiceSession.getTasksAssignedAsPotentialOwner("john",
"en-UK");
wrapper.taskServiceSession.taskOperation(Operation.Complete, lastTask.getId(),
"john", null, null, null);
It almost works correctly, task data is stored in DB but process instance is not updated
after complete task. The problem is how can I register TaskEventHandlers. In
GenericCommandBasedWSHumanTaskHandler there is a method:
private void registerTaskEventHandlers() {
TaskEventKey key = new TaskEventKey(TaskCompletedEvent.class, -1);
TaskCompletedHandler eventResponseHandler = new TaskCompletedHandler();
client.registerForEvent(key, false, eventResponseHandler);
key = new TaskEventKey(TaskFailedEvent.class, -1);
client.registerForEvent(key, false, eventResponseHandler);
key = new TaskEventKey(TaskSkippedEvent.class, -1);
client.registerForEvent(key, false, eventResponseHandler);
}
but I have no client so I have no possibility to register these events. Also
TaskServiceSession object has no method to register ResponseHandlers. How can I resolve
it?
I also read thread
https://community.jboss.org/thread/204619?tstart=270
https://community.jboss.org/thread/204619?tstart=270
but in this case I have no idea how to create TaskService which I need to pass to
LocalHTWorkItemHandler.
Thanks in advance for any help.
kr,
Tadeusz
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