Hi All:
I have a big problem when suspending/resuming a ProcessInstance in jBPM4.
A few days ago, I saw there are some feature for Suspending/Resume Execution
in jBPM4. So I add this feature to the todolist of my project. But when I start
work on this part, I find there is no method in api package to support these
feature.
First I think suspend/resume is similar with the end/delete operation in the
ExecutionService.java, but there is no such method. So I go to the
Execution.java, Fortunately, there are some code for the suspend:
/** indicates that this execution is temporary suspended with the
* {...@link #suspend()} method. Human tasks of a suspended execution
* shouldn't show up in people's task list and timers of suspended
* executions shouldn't fire and the execution is locked. Make sure that
comparisons are
* done with .equals and not with '==' because if executions are
* loaded from persistent storage, a new string is created instead
* of the constants. */
String STATE_SUSPENDED = "suspended";
/** is this execution suspended ? */
boolean isSuspended();
But these are just a constants for the suspended state and a method for
obtain the condition of the execution. I see there is some javadoc for
{...@link #suspend()}, it seems there may be a method named suspend in the
Execution.java. But I can find any method like that.
Finally I can only to use ExecutionImpl.java in pvm to complete the suspend()
and resume() operation. I think there is totally wrong.
/**
* FIXME: It is wrong to use implement class.
*/
((ExecutionImpl) pi).suspend();
/**
* FIXME: It is wrong to use implement class.
*/
((ExecutionImpl) pi).resume();
Anyone has better solution for this? Thank you very much.
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